Csharp/C Sharp by API/System.Windows.Forms/Form

Содержание

1 extends Form
2 Form.AcceptButton
3 Form.Activated
4 Form.ActiveForm.Location
5 Form.AddOwnedForm
6 Form.AutoScaleBaseSize
7 Form.AutoScroll
8 Form.AutoScrollMinSize
9 Form.BackColor
10 Form.CancelButton
11 Form.CenterToScreen()
12 Form.ClientRectangle
13 Form.ClientSize
14 Form.Closed
15 Form.Closing
16 Form.ContextMenu
17 Form.ControlBox
18 Form.Controls
19 Form.Cursor
20 Form.DesktopBounds
21 Form.DialogResult
22 Form.DisplayRectangle
23 Form.Dispose
24 Form.ForeColor
25 Form.FormBorderStyle
26 Form.GotFocus
27 Form.Height
28 Form.Hide()
29 Form.Invalidate
30 Form.IsMdiContainer
31 Form.KeyPress
32 Form.KeyPreview
33 Form.KeyUp
34 Form.Load
35 Form.Location
36 Form.MaximizeBox
37 Form.MaximumSize
38 Form.MdiParent
39 Form.Menu
40 Form.MenuComplete
41 Form.MinimizeBox
42 Form.MinimumSize
43 Form.MouseDown
44 Form.MouseLeave(All other events)
45 Form.MouseUp
46 Form.OnDragDrop
47 Form.OnDragOver
48 Form.OnInputLanguageChanged
49 Form.OnKeyDown
50 Form.OnKeyPress
51 Form.OnMouseEnter
52 Form.OnMouseHover
53 Form.OnMouseLeave
54 Form.OnMouseMove
55 Form.OnMouseWheel
56 Form.OnPaint(PaintEventArgs e)
57 Form.OnResize
58 Form.Opacity
59 Form.Paint
60 Form.Region
61 Form.Resize
62 Form.ResizeRedraw
63 Form.SetStyle
64 Form.Show
65 Form.ShowInTaskbar
66 Form.Size
67 Form.SuspendLayout
68 Form.Text
69 Form.Top
70 Form.TransparencyKey
71 Form.Visible
72 Form.Width
73 new Form()

extends Form

<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class RendereringOrigin : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public RendereringOrigin()
 {
   InitializeComponent();
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(408, 273);
   this.Name = "RendereringOrigin";
   this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
   this.Text = "GDI+ Coordinate";
   this.Resize += new System.EventHandler(this.OnResize);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new RendereringOrigin());
 }
 protected void OnPaint (object sender, System.Windows.Forms.PaintEventArgs e)
 {
     GraphicsUnit gUnit = GraphicsUnit.Pixel;
     Point renderingOrgPt = new Point(0,0);
   renderingOrgPt.X = 100;
   renderingOrgPt.Y = 100;
   Graphics g = e.Graphics;
   g.SmoothingMode = SmoothingMode.AntiAlias;
   g.PageUnit = gUnit;
   g.TranslateTransform(renderingOrgPt.X,renderingOrgPt.Y);
   g.DrawRectangle(new Pen(Color.Red, 1), 0, 0, 100, 100);
 
   this.Text = string.Format("PageUnit: {0}, Origin: {1}",  gUnit, renderingOrgPt.ToString());
 }
 protected void OnResize (object sender, System.EventArgs e)
 {
   Invalidate();
 }

}

 </source>

Form.AcceptButton

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class EnterPrice : Form {

 private Button enter = new Button();
 private Label answer = new Label();
 private TextBox text = new TextBox( );
 public EnterPrice( ) {
   enter.Text = "Enter Price";
   text.Text = "";
   answer.Text = "";
   Size = new Size(300,200);
   answer.Size = new Size(200,50);
   enter.Location = new Point(30 + enter.Width, 30);
   text.Location = new Point (40 + enter.Width + enter.Width, 30);
   answer.Location = new Point(20, 60);
   AcceptButton = enter;
   Controls.Add(text);
   Controls.Add(answer);
   Controls.Add(enter);
   enter.Click += new EventHandler(Enter_Click);
 }
 protected void Enter_Click(Object sender, EventArgs e) {
   try{
   Console.WriteLine(Double.Parse(text.Text));
   }catch(Exception){
   }
   text.Text = "";
   text.Focus();
 }
 static void Main() {
   Application.Run(new EnterPrice());
 }

}

 </source>

Form.Activated

using System; using System.Windows.Forms; using System.ruponentModel; public class MainWindow : Form {

   private string lifeTimeInfo;
   public MainWindow() {
       this.Closing += new CancelEventHandler(MainForm_Closing);
       this.Load += new EventHandler(MainForm_Load);
       this.Closed += new EventHandler(MainForm_Closed);
       this.Activated += new EventHandler(MainForm_Activated);
       this.Deactivate += new EventHandler(MainForm_Deactivate);
   }
   protected void MainForm_Closing(object sender, CancelEventArgs e) {
       DialogResult dr = MessageBox.Show("Do you REALLY want to close this app?",
            "Closing event!", MessageBoxButtons.YesNo);
       if (dr == DialogResult.No)
           e.Cancel = true;
       else
           e.Cancel = false;
   }
   protected void MainForm_Load(object sender, System.EventArgs e) { 
       lifeTimeInfo += "Load event\n"; 
   }
   protected void MainForm_Activated(object sender, System.EventArgs e) { 
       lifeTimeInfo += "Activate event\n"; 
   }
   protected void MainForm_Deactivate(object sender, System.EventArgs e) { 
       lifeTimeInfo += "Deactivate event\n"; 
   }
   protected void MainForm_Closed(object sender, System.EventArgs e) {
       lifeTimeInfo += "Closed event\n";
       MessageBox.Show(lifeTimeInfo);
   }
   public static void Main(string[] args) {
       Application.Run(new MainWindow());
   }

}

 </source>

Form.ActiveForm.Location

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class BetterDialog: Form {

    public static void Main()
    {
         Application.Run(new BetterDialog());
    }
    public BetterDialog()
    {
         Menu = new MainMenu();
         Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick));
    }
    void MenuOnClick(object obj, EventArgs ea)
    {
         BetterDialogBox dlg = new BetterDialogBox();
         DialogResult    dr  = dlg.ShowDialog();
  
         Console.WriteLine(dr);
    }

} class BetterDialogBox: Form {

    public BetterDialogBox()
    {
         Text = "Better Dialog Box";
  
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
         StartPosition   = FormStartPosition.Manual;
         Location        = ActiveForm.Location + 
                           SystemInformation.CaptionButtonSize +
                           SystemInformation.FrameBorderSize;
  
         Button btn = new Button();
         btn.Parent   = this;
         btn.Text     = "OK";
         btn.Location = new Point(50, 50);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.OK;
  
         AcceptButton = btn;
  
         btn = new Button();
         btn.Parent   = this;
         btn.Text     = "Cancel";
         btn.Location = new Point(50, 100);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.Cancel;
  
         CancelButton = btn;
    }

}

 </source>

Form.AddOwnedForm

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class ChildForm : Form {

 public System.Windows.Forms.Label lblState;
 public ChildForm()
 {
   InitializeComponent();
 }
 private void InitializeComponent()
 {
   this.lblState = new System.Windows.Forms.Label();
   this.SuspendLayout();
   // 
   // lblState
   // 
   this.lblState.Location = new System.Drawing.Point(26, 24);
   this.lblState.Name = "lblState";
   this.lblState.Size = new System.Drawing.Size(184, 56);
   this.lblState.TabIndex = 2;
   // 
   // ChildForm
   // 
   this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
   this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
   this.ClientSize = new System.Drawing.Size(236, 104);
   this.Controls.Add(this.lblState);
   this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
   this.Name = "ChildForm";
   this.Text = "ChildForm";
   this.ResumeLayout(false);
 }

} public class ParentForm : Form{

 private System.Windows.Forms.Button cmdReleaseOwnership;
 private System.Windows.Forms.Button cmdAddOwnership;
 public ParentForm()
 {
   InitializeComponent();
   frmOwned.Show();
 }
 private ChildForm frmOwned = new ChildForm();

 private void cmdAddOwnership_Click(object sender, System.EventArgs e)
 {
   this.AddOwnedForm(frmOwned);
   frmOwned.lblState.Text = "Owned. Minimize me to see the difference.";
 }
 private void cmdReleaseOwnership_Click(object sender, System.EventArgs e)
 {
   this.RemoveOwnedForm(frmOwned);
   frmOwned.lblState.Text = "Not owned! Minimize me to see the difference.";
 }
 private void InitializeComponent()
 {
   this.cmdReleaseOwnership = new System.Windows.Forms.Button();
   this.cmdAddOwnership = new System.Windows.Forms.Button();
   this.SuspendLayout();
   // 
   // cmdReleaseOwnership
   // 
   this.cmdReleaseOwnership.FlatStyle = System.Windows.Forms.FlatStyle.System;
   this.cmdReleaseOwnership.Location = new System.Drawing.Point(150, 197);
   this.cmdReleaseOwnership.Name = "cmdReleaseOwnership";
   this.cmdReleaseOwnership.Size = new System.Drawing.Size(128, 32);
   this.cmdReleaseOwnership.TabIndex = 6;
   this.cmdReleaseOwnership.Text = "Remove Ownership";
   this.cmdReleaseOwnership.Click += new System.EventHandler(this.cmdReleaseOwnership_Click);
   // 
   // cmdAddOwnership
   // 
   this.cmdAddOwnership.FlatStyle = System.Windows.Forms.FlatStyle.System;
   this.cmdAddOwnership.Location = new System.Drawing.Point(14, 197);
   this.cmdAddOwnership.Name = "cmdAddOwnership";
   this.cmdAddOwnership.Size = new System.Drawing.Size(120, 32);
   this.cmdAddOwnership.TabIndex = 5;
   this.cmdAddOwnership.Text = "Set Ownership";
   this.cmdAddOwnership.Click += new System.EventHandler(this.cmdAddOwnership_Click);
   // 
   // ParentForm
   // 
   this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
   this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
   this.ClientSize = new System.Drawing.Size(292, 266);
   this.Controls.Add(this.cmdReleaseOwnership);
   this.Controls.Add(this.cmdAddOwnership);
   this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
   this.Name = "ParentForm";
   this.Text = "Owner";

// this.Load += new System.EventHandler(this.ParentForm_Load);

   this.ResumeLayout(false);
 }
 [STAThread]
 static void Main()
 {
   Application.EnableVisualStyles();
   Application.Run(new ParentForm());
 }

}

 </source>

Form.AutoScaleBaseSize

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class SetFormCaption : System.Windows.Forms.Form {

 private System.ruponentModel.Container components;
 public SetFormCaption()
 {
   InitializeComponent();
   Text = "www.nfex.ru";    
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 273);
   this.Text = "DataGridExample";
   this.Resize += new System.EventHandler(this.SetFormCaption_Resize);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.SetFormCaption_Paint);
   }
 [STAThread]
 static void Main() 
 {
   Application.Run(new SetFormCaption());
 }
 private void SetFormCaption_Resize(object sender, System.EventArgs e)
 {
   Invalidate();
   Console.WriteLine("Resize");
 }
 private void SetFormCaption_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   g.DrawString("Text", 
     new Font("Times New Roman", 20), 
     new SolidBrush(Color.Black), 
     this.DisplayRectangle);    
 }

}

 </source>

Form.AutoScroll

 using System;
 using System.Drawing;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;
 public class Form1 : System.Windows.Forms.Form
 {
   private System.Windows.Forms.Label label1;
   private System.ruponentModel.Container components;
 
   public Form1()
   {
     InitializeComponent();
   }
   protected override void Dispose( bool disposing )
   {
     if( disposing )
     {
       if (components != null) 
       {
         components.Dispose();
       }
     }
     base.Dispose( disposing );
   }
   private void InitializeComponent()
   {
     this.label1 = new System.Windows.Forms.Label();
     this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F);
     this.label1.Location = new System.Drawing.Point(16, 16);
     this.label1.Size = new System.Drawing.Size(376, 224);
     this.label1.TabIndex = 0;
     this.label1.Text = "Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text Text ";
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.AutoScroll = true;
     this.AutoScrollMinSize = new System.Drawing.Size(300, 300);
     this.ClientSize = new System.Drawing.Size(403, 256);
     this.Controls.AddRange(new System.Windows.Forms.Control[] {this.label1});
     this.Text = "Form1";
   }
   [STAThread]
   static void Main() 
   {
     Application.Run(new Form1());
   }
 }
  
   
   
 </source>

Form.AutoScrollMinSize

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class ScrollForm : System.Windows.Forms.Form {

 private System.Windows.Forms.Label label1;
 private System.ruponentModel.Container components = null;
 public ScrollForm()
 {
   this.label1 = new System.Windows.Forms.Label();
   this.SuspendLayout();
   this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F);
   this.label1.Location = new System.Drawing.Point(16, 16);
   this.label1.Name = "label1";
   this.label1.Size = new System.Drawing.Size(376, 224);
   this.label1.TabIndex = 0;
   this.label1.Text = "Scrollbars of course!";
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.AutoScroll = true;
   this.AutoScrollMinSize = new System.Drawing.Size(300, 300);
   this.ClientSize = new System.Drawing.Size(319, 136);
   this.Controls.Add(this.label1);
   this.Name = "ScrollForm";
   this.Text = "ScrollForm";
   this.ResumeLayout(false);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new ScrollForm());
 }

}

 </source>

Form.BackColor

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; class PaintHello {

    public static void Main()
    {
         Form form      = new Form();
         form.Text      = "Paint Hello";
         form.BackColor = Color.White;
         form.Paint    += new PaintEventHandler(MyPaintHandler);
  
         Application.Run(form);
    }
    static void MyPaintHandler(object objSender, PaintEventArgs pea)
    {
         Form     form = (Form)objSender;
         Graphics graphics = pea.Graphics;
  
         graphics.DrawString("Hello, world!", form.Font, Brushes.Black, 0, 0);
    }

}

 </source>

Form.CancelButton

using System; using System.Drawing; using System.Windows.Forms;

class AboutDialogBox: Form {

    public static void Main()
    {
         AboutDialogBox dlg = new AboutDialogBox();
         dlg.ShowDialog();
    }    
    public AboutDialogBox()
    {
         Text = "About AboutBox";
  
         StartPosition   = FormStartPosition.CenterParent;
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
  
         Label label1     = new Label();
         label1.Parent    = this;
         label1.Text      = " AboutBox Version 1.0 ";
         label1.Font      = new Font(FontFamily.GenericSerif, 24, 
                                     FontStyle.Italic);
         label1.AutoSize  = true;
         label1.TextAlign = ContentAlignment.MiddleCenter;
  
         Icon icon = new Icon(GetType(), "AboutBox.ico");
  
         PictureBox picbox = new PictureBox();
         picbox.Parent     = this;
         picbox.Image      = icon.ToBitmap();
         picbox.SizeMode   = PictureBoxSizeMode.AutoSize;
         picbox.Location   = new Point(label1.Font.Height / 2, 
                                       label1.Font.Height / 2);
  
         label1.Location  = new Point(picbox.Right,label1.Font.Height / 2);
  
         int iClientWidth = label1.Right;
  
         Label label2     = new Label();
         label2.Parent    = this;
         label2.Text      = "\x00A9 ";
         label2.Font      = new Font(FontFamily.GenericSerif, 16);
         label2.Location  = new Point(0, label1.Bottom + 
                                         label2.Font.Height);
         label2.Size      = new Size(iClientWidth, label2.Font.Height);
         label2.TextAlign = ContentAlignment.MiddleCenter;
  
         Button button   = new Button();
         button.Parent   = this;
         button.Text     = "OK";
         button.Size     = new Size(4 * button.Font.Height, 
                                    2 * button.Font.Height);
         button.Location = new Point((iClientWidth - button.Size.Width) / 2,
                                  label2.Bottom + 2 * button.Font.Height);
  
         button.DialogResult = DialogResult.OK;
  
         CancelButton = button;
         AcceptButton = button;
  
         ClientSize = new Size(iClientWidth, 
                               button.Bottom + 2 * button.Font.Height);
    }

}

 </source>

Form.CenterToScreen()

 using System;
 using System.Drawing;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;
 public class Form1 : System.Windows.Forms.Form
 {
   private Button myButton; 
   public Form1()
   {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
       
           this.Closing+=new CancelEventHandler(Form_Closing);

     myButton = new Button();
     myButton.Text = "www.nfex.ru";
     myButton.Location = new System.Drawing.Point(64, 32);
     myButton.Size = new System.Drawing.Size(150, 50);
     Controls.Add(myButton);
     CenterToScreen();
   }
       public void Form_Closing(object sender,CancelEventArgs cArgs) {
           if(sender==this){
              MessageBox.Show("Form Closing Event....");
              if(sender!=this) {
                cArgs.Cancel=true;  
              }
           }   
       }
   static void Main() 
   {
     Application.Run(new Form1());
   }
 }
  
   
 </source>

Form.ClientRectangle

using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Drawing.Drawing2D; using System.Text; using System.Windows.Forms; public class Form1 : Form {

   protected override void OnPaint(PaintEventArgs e) {
   Graphics g = e.Graphics;
   g.SmoothingMode = SmoothingMode.AntiAlias;
   g.FillRectangle(Brushes.White, this.ClientRectangle);
   Pen p = new Pen(Color.Black, 10);
   p.StartCap = LineCap.Round;
   p.EndCap = LineCap.ArrowAnchor;
   g.DrawLine(p, 30, 30, 80, 30);
   p.Dispose();
   }
   public static void Main() {
       Application.Run(new Form1());
   }

}

 </source>

Form.ClientSize

<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Printing; using System.Windows.Forms;

class PrintableForm: Form {

    public static void Main()
    {
         Application.Run(new PrintableForm());
    }
    public PrintableForm()
    {
         ResizeRedraw = true;
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
    }
    protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
    {
         Point[] apt = {new Point(0,      0),
                        new Point(cx - 1, 0),
                        new Point(cx - 1, cy - 1),
                        new Point(0,      cy - 1),
                        new Point(0,      0)};
  
         grfx.DrawLines(new Pen(clr), apt);
    }

}

 </source>

Form.Closed

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormLifeTimeEvent : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormLifeTimeEvent()
 {
   InitializeComponent();
   this.Closing += new System.ruponentModel.CancelEventHandler(this.FormLifeTimeEvent_Closing);
   this.Load += new System.EventHandler(this.FormLifeTimeEvent_Load);
   this.Closed += new System.EventHandler(this.FormLifeTimeEvent_Closed);
   this.Activated += new System.EventHandler(this.FormLifeTimeEvent_Activated);
   this.Deactivate += new System.EventHandler(this.FormLifeTimeEvent_Deactivate);
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(280, 177);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormLifeTimeEvent());
 }
 private void FormLifeTimeEvent_Closing(object sender, System.ruponentModel.CancelEventArgs e)
 {
   Console.WriteLine("Closing event");
 }
 private void FormLifeTimeEvent_Load(object sender, System.EventArgs e) { 
     Console.WriteLine("Load event"); 
 }
 private void FormLifeTimeEvent_Activated(object sender, System.EventArgs e) { 
     Console.WriteLine("Activate event"); 
 }
 private void FormLifeTimeEvent_Deactivate(object sender, System.EventArgs e) { 
     Console.WriteLine("Deactivate event"); 
 }
 
 private void FormLifeTimeEvent_Closed(object sender, System.EventArgs e) { 
     Console.WriteLine("Closed event"); 
 }

}

 </source>

Form.Closing

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormClosingEventCancle : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormClosingEventCancle()
 {
   InitializeComponent();
   this.Closing += new System.ruponentModel.CancelEventHandler(this.FormClosingEventCancle_Closing);
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(280, 177);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormClosingEventCancle());
 }
 private void FormClosingEventCancle_Closing(object sender, System.ruponentModel.CancelEventArgs e)
 {
   DialogResult dr = MessageBox.Show("Do you REALLY want to close this app?",
     "Closing event!", MessageBoxButtons.YesNo);
   if(dr == DialogResult.No)
     e.Cancel = true;
   else
     e.Cancel = false;    
 }

}

 </source>

Form.ContextMenu

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class ContextMenuDemo: Form {

    MenuItem miColor;
  
    public static void Main()
    {
         Application.Run(new ContextMenuDemo());
    }
    public ContextMenuDemo()
    {
         EventHandler eh = new EventHandler(MenuColorOnClick);
  
         MenuItem[] ami = { new MenuItem("Black",   eh),
                            new MenuItem("Blue",    eh),
                            new MenuItem("Green",   eh),
                            new MenuItem("White",   eh) };
  
         foreach (MenuItem mi in ami)
              mi.RadioCheck = true;
  
         miColor = ami[3];
         miColor.Checked = true;
         BackColor = Color.FromName(miColor.Text);
  
         ContextMenu = new ContextMenu(ami);
    }
    void MenuColorOnClick(object obj, EventArgs ea)
    {
         miColor.Checked = false;
         miColor = (MenuItem) obj;
         miColor.Checked = true;
  
         BackColor = Color.FromName(miColor.Text);
    }

}

 </source>

Form.ControlBox

using System; using System.Drawing; using System.Windows.Forms;

class BetterDialog: Form {

    public static void Main()
    {
         Application.Run(new BetterDialog());
    }
    public BetterDialog()
    {
         Menu = new MainMenu();
         Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick));
    }
    void MenuOnClick(object obj, EventArgs ea)
    {
         BetterDialogBox dlg = new BetterDialogBox();
         DialogResult    dr  = dlg.ShowDialog();
  
         Console.WriteLine(dr);
    }

} class BetterDialogBox: Form {

    public BetterDialogBox()
    {
         Text = "Better Dialog Box";
  
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
         StartPosition   = FormStartPosition.Manual;
         Location        = ActiveForm.Location + 
                           SystemInformation.CaptionButtonSize +
                           SystemInformation.FrameBorderSize;
  
         Button btn = new Button();
         btn.Parent   = this;
         btn.Text     = "OK";
         btn.Location = new Point(50, 50);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.OK;
  
         AcceptButton = btn;
  
         btn = new Button();
         btn.Parent   = this;
         btn.Text     = "Cancel";
         btn.Location = new Point(50, 100);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.Cancel;
  
         CancelButton = btn;
    }

}

 </source>

Form.Controls

<source lang="csharp"> using System; using System.Windows.Forms; using System.Drawing;

class FormExit : Form {

 Button StopButton; 

 public FormExit() { 
   Text = "Adding a Stop Button"; 

   StopButton = new Button(); 
   StopButton.Text = "Stop"; 
   StopButton.Location = new Point(100, 100); 

   StopButton.Click += StopButtonClick; 
   Controls.Add(StopButton); 
 }   

 [STAThread] 
 public static void Main() { 
   FormExit skel = new FormExit(); 

   Application.Run(skel); 
 } 

 protected void StopButtonClick(object who, EventArgs e) { 
    Application.Exit(); 
 }

}

 </source>

Form.Cursor

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormCursorSetting : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormCursorSetting()
 {
   InitializeComponent();
   Cursor = Cursors.WaitCursor;
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 273);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormCursorSetting());
 }
 private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   g.DrawString("String...", new Font("Times New Roman", 20), new SolidBrush(Color.Black), 40, 10);
 }

}

 </source>

Form.DesktopBounds

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class FormSize: Form {

    public static void Main()
    {
         Application.Run(new FormSize());
    }
    public FormSize()
    {
         BackColor = Color.White;
    }
    protected override void OnMove(EventArgs ea)
    {
         Invalidate();
    }
    protected override void OnResize(EventArgs ea)
    {
         Invalidate();
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         Graphics graphics = pea.Graphics;
         string   str  = "Location: "        + Location        + "\n"   +
                         "Size: "            + Size            + "\n"   +
                         "Bounds: "          + Bounds          + "\n"   +
                         "Width: "           + Width           + "\n"   +
                         "Height: "          + Height          + "\n"   +
                         "Left: "            + Left            + "\n"   +
                         "Top: "             + Top             + "\n"   +
                         "Right: "           + Right           + "\n"   +
                         "Bottom: "          + Bottom          + "\n\n" +
                         "DesktopLocation: " + DesktopLocation + "\n"   +
                         "DesktopBounds: "   + DesktopBounds   + "\n\n" +
                         "ClientSize: "      + ClientSize      + "\n"   +
                         "ClientRectangle: " + ClientRectangle;
  
         graphics.DrawString(str, Font, Brushes.Black, 0, 0);
   }

}

 </source>

Form.DialogResult

using System; using System.Drawing; using System.Windows.Forms;

class SimpleDialog: Form {

    public static void Main()
    {
         Application.Run(new SimpleDialog());
    }
    public SimpleDialog()
    {
  
         Menu = new MainMenu();
         Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick));
    }
    void MenuOnClick(object obj, EventArgs ea)
    {
         SimpleDialogBox dlg = new SimpleDialogBox();
  
         dlg.ShowDialog();
  
         Console.WriteLine(dlg.DialogResult);
         
    }

} class SimpleDialogBox: Form {

    public SimpleDialogBox()
    {
         Text = "Simple Dialog Box";
  
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
  
         Button btn = new Button();
         btn.Parent   = this;
         btn.Text     = "OK";
         btn.Location = new Point(50, 50);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.Click   += new EventHandler(ButtonOkOnClick);
  
         btn = new Button();
         btn.Parent   = this;
         btn.Text     = "Cancel";
         btn.Location = new Point(50, 100);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.Click   += new EventHandler(ButtonCancelOnClick);
    }
    void ButtonOkOnClick(object obj, EventArgs ea)
    {
         DialogResult = DialogResult.OK;
    }
    void ButtonCancelOnClick(object obj, EventArgs ea)
    {
         DialogResult = DialogResult.Cancel;
    }

}

 </source>

Form.DisplayRectangle

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class CenterForm : System.Windows.Forms.Form {

 private System.ruponentModel.Container components;
 public CenterForm()
 {
   InitializeComponent();
   CenterToScreen();
 }

 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 273);
   this.Text = "DataGridExample";
   this.Resize += new System.EventHandler(this.CenterForm_Resize);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.CenterForm_Paint);
   }
 [STAThread]
 static void Main() 
 {
   Application.Run(new CenterForm());
 }
 private void CenterForm_Resize(object sender, System.EventArgs e)
 {
   Invalidate();
   Console.WriteLine("Resize");
 }
 private void CenterForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   g.DrawString("Text", 
     new Font("Times New Roman", 20), 
     new SolidBrush(Color.Black), 
     this.DisplayRectangle);    
 }

}

 </source>

Form.Dispose

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormDispose : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormDispose()
 {
   InitializeComponent();
 }
 protected override void Dispose( bool disposing )
 {
   MessageBox.Show("Disposing this Form");
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );    
 }
 private void InitializeComponent()
 {
   this.ruponents = new System.ruponentModel.Container();
   this.Size = new System.Drawing.Size(300,300);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormDispose());
 }

}

 </source>

Form.ForeColor

<source lang="csharp"> using System; using System.Windows.Forms; using System.Drawing; public class ButtonClickEvent : System.Windows.Forms.Form {

 private System.Windows.Forms.Button button1;
 private System.Windows.Forms.TextBox textBox1;
 public ButtonClickEvent()
 {
   Text = "Test WinForm";
   ForeColor = System.Drawing.Color.Yellow;
   button1 = new System.Windows.Forms.Button();
   textBox1 = new System.Windows.Forms.TextBox();
   // button control and its properties
   button1.Location = new System.Drawing.Point(8, 32);
   button1.Name = "button1";
   button1.Size = new System.Drawing.Size(104, 32);
   button1.TabIndex = 0;
   button1.Text = "Click Me";
       
   // text box control and its properties
   textBox1.Location = new System.Drawing.Point(24, 104);
   textBox1.Name = "textBox1";
   textBox1.Size = new System.Drawing.Size(184, 20);
   textBox1.TabIndex = 1;
   textBox1.Text = "textBox1";
       
   // Adding controls to the fomr
   Controls.AddRange(new System.Windows.Forms.Control[]{textBox1, button1} );
   button1.Click += new System.EventHandler(button1_Click);
                   
 }
 private void button1_Click(object sender,System.EventArgs e)
 {
   textBox1.Text = "Button is clicked";
   MessageBox.Show("Button is clicked");
 }
 public static int Main()
 {
   Application.Run(new ButtonClickEvent());
   return 0;
 }

}

 </source>

Form.FormBorderStyle

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class AutoScaleDemo: Form {

    public static void Main()
    {
         Application.Run(new AutoScaleDemo());
    }
    public AutoScaleDemo()
    {
         Font = new Font("Arial", 12);
         FormBorderStyle = FormBorderStyle.FixedSingle;
  
         int[] aiPointSize = { 8, 12, 16, 24, 32 };
  
         for (int i = 0; i < aiPointSize.Length; i++)
         {
              Button btn    = new Button();
              btn.Parent    = this;
              btn.Text      = "Use " + aiPointSize[i] + "-point font";
              btn.Tag       = aiPointSize[i];
              btn.Location  = new Point(4, 16 + 24 * i);
              btn.Size      = new Size(80, 16);
              btn.Click    += new EventHandler(ButtonOnClick);
         }
         ClientSize = new Size(88, 16 + 24 * aiPointSize.Length);
         AutoScaleBaseSize = new Size(4, 8);
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         pea.Graphics.DrawString(Text, Font, new SolidBrush(ForeColor), 0, 0);
    }
    void ButtonOnClick(object obj, EventArgs ea)
    {
         Button btn = (Button) obj;
  
         SizeF sizefOld = GetAutoScaleSize(Font);
         Font = new Font(Font.FontFamily, (int) btn.Tag);
         SizeF sizefNew = GetAutoScaleSize(Font);
  
         Scale(sizefNew.Width  / sizefOld.Width,sizefNew.Height / sizefOld.Height);
    }

}

 </source>

Form.GotFocus

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FocusForm : System.Windows.Forms.Form {

   private System.Windows.Forms.TextBox txtFocusForm;
   private System.Windows.Forms.Button btFocusForm;
   public FocusForm() {
       this.txtFocusForm = new System.Windows.Forms.TextBox();
       this.btFocusForm = new System.Windows.Forms.Button();
       this.SuspendLayout();
       this.txtFocusForm.Location = new System.Drawing.Point(8, 8);
       this.txtFocusForm.Size = new System.Drawing.Size(336, 20);
       this.txtFocusForm.LostFocus += new System.EventHandler(this.txtFocusForm_LostFocus);
       this.txtFocusForm.GotFocus += new System.EventHandler(this.txtFocusForm_GotFocus);
       this.btFocusForm.Location = new System.Drawing.Point(8, 40);
       this.btFocusForm.Size = new System.Drawing.Size(336, 23);
       this.btFocusForm.Click += new System.EventHandler(this.btFocusForm_Click);
       this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
       this.ClientSize = new System.Drawing.Size(352, 70);
       this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                     this.btFocusForm,
                                     this.txtFocusForm});
       this.ResumeLayout(false);
   }
   [STAThread]
   static void Main() {
       Application.Run(new FocusForm());
   }
   protected void txtFocusForm_LostFocus(object sender, EventArgs e) {
       Console.WriteLine("Goodbye!");
   }
   protected void txtFocusForm_GotFocus(object sender, EventArgs e) {
       Console.WriteLine("Hello!");
   }
   private void btFocusForm_Click(object sender, System.EventArgs e) {
       bool canFocus = txtFocusForm.CanFocus;
       bool containsFocus = this.ContainsFocus;
       bool focused = txtFocusForm.Focused;
       Console.WriteLine("Textbox can focus: " + canFocus +
                    "\nForm children contain focus: " + containsFocus +
                    "\nTextbox has focus: " + focused);
       txtFocusForm.Focus();
   }

}

 </source>

Form.Height

<source lang="csharp"> using System.Drawing; using System.Windows.Forms;

class FormProperties {

    public static void Main()
    {
         Form form = new Form();
  
         form.Height         /= 2;
  
         Application.Run(form);
    }

}

 </source>

Form.Hide()

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms;

 public class Form2 : Form
 {
   private System.Windows.Forms.Button Button3;
   private System.Windows.Forms.Button Button2;
   private System.Windows.Forms.Button Button1;
     
     
   public Form2()
   {
     InitializeComponent();
   }
   private void InitializeComponent()
   {
     this.Button3 = new System.Windows.Forms.Button();
     this.Button2 = new System.Windows.Forms.Button();
     this.Button1 = new System.Windows.Forms.Button();
     this.SuspendLayout();
     // 
     // Button3
     // 
     this.Button3.Location = new System.Drawing.Point(120, 56);
     this.Button3.Name = "Button3";
     this.Button3.Size = new System.Drawing.Size(88, 32);
     this.Button3.TabIndex = 8;
     this.Button3.Text = "Become Child of Parent2";
     this.Button3.Click += new System.EventHandler(this.Button3_Click);
     // 
     // Button2
     // 
     this.Button2.Location = new System.Drawing.Point(12, 56);
     this.Button2.Name = "Button2";
     this.Button2.Size = new System.Drawing.Size(88, 32);
     this.Button2.TabIndex = 7;
     this.Button2.Text = "Become Child of Parent1";
     this.Button2.Click += new System.EventHandler(this.Button2_Click);
     // 
     // Button1
     // 
     this.Button1.Location = new System.Drawing.Point(12, 12);
     this.Button1.Name = "Button1";
     this.Button1.Size = new System.Drawing.Size(88, 32);
     this.Button1.TabIndex = 6;
     this.Button1.Text = "Become Parent";
     this.Button1.Click += new System.EventHandler(this.Button1_Click);
     // 
     // Form2
     // 
     this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
     this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
     this.ClientSize = new System.Drawing.Size(292, 154);
     this.Controls.Add(this.Button3);
     this.Controls.Add(this.Button2);
     this.Controls.Add(this.Button1);
     this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
     this.Name = "Form2";
     this.Text = "Form2";
     this.ResumeLayout(false);
   }
   private void Button1_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.MdiParent = null;
     this.IsMdiContainer = true;
     this.Show();
   }
   private void Button2_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.IsMdiContainer = false;
     this.MdiParent = Program.Main2;
     this.Show();
   }
   private void Button3_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.IsMdiContainer = false;
     this.MdiParent = Program.Main1;
     this.Show();
   }
 }
 public class Form1 : Form
 {
   public Form1()
   {
     InitializeComponent();
   }
   private void Form1_FormClosed(object sender, FormClosedEventArgs e)
   {
     Application.Exit();
   }
   private void InitializeComponent()
   {
     this.SuspendLayout();
     this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
     this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
     this.ClientSize = new System.Drawing.Size(422, 351);
     this.IsMdiContainer = true;
     this.Name = "Form1";
     this.Text = "Form1";
     this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
     this.ResumeLayout(false);
   }
 }
 static class Program
 {
   public static Form1 Main1 = new Form1();
   public static Form1 Main2 = new Form1();
   public static Form2 Child = new Form2();
   [STAThread]
   public static void Main()
   {
     Application.EnableVisualStyles();
     Main1.Text = "Parent 2";
     Main2.Text = "Parent 1";
     Main1.Show();
     Main2.Show();
     Child.MdiParent = Main2;
     Child.Show();
     System.Windows.Forms.Application.Run();
   }
 }
  
   
   
 </source>

Form.Invalidate

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class PaintInvalidate : Form {

 private Button btn;
 public PaintInvalidate()
 {
   Size = new Size(300,200);
   btn = new Button();
   btn.Parent = this;
   btn.Location = new Point(25,25);
   btn.Text = "Update";
   btn.Click += new System.EventHandler(btn_Click);
 }
 static void Main() 
 {
   Application.Run(new PaintInvalidate());
 }
 protected override void OnPaint(PaintEventArgs e)
 {
   base.OnPaint(e);
   Graphics g = e.Graphics;
   String str = "\nThe time is " + DateTime.Now.ToLongTimeString();
   g.DrawString(str, Font, Brushes.Black, 50, 75);
 }
 private void btn_Click(object sender, EventArgs e)
 {
   Invalidate();
 }

}

 </source>

Form.IsMdiContainer

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms;

 public class Form2 : Form
 {
   private System.Windows.Forms.Button Button3;
   private System.Windows.Forms.Button Button2;
   private System.Windows.Forms.Button Button1;
     
     
   public Form2()
   {
     InitializeComponent();
   }
   private void InitializeComponent()
   {
     this.Button3 = new System.Windows.Forms.Button();
     this.Button2 = new System.Windows.Forms.Button();
     this.Button1 = new System.Windows.Forms.Button();
     this.SuspendLayout();
     // 
     // Button3
     // 
     this.Button3.Location = new System.Drawing.Point(120, 56);
     this.Button3.Name = "Button3";
     this.Button3.Size = new System.Drawing.Size(88, 32);
     this.Button3.TabIndex = 8;
     this.Button3.Text = "Become Child of Parent2";
     this.Button3.Click += new System.EventHandler(this.Button3_Click);
     // 
     // Button2
     // 
     this.Button2.Location = new System.Drawing.Point(12, 56);
     this.Button2.Name = "Button2";
     this.Button2.Size = new System.Drawing.Size(88, 32);
     this.Button2.TabIndex = 7;
     this.Button2.Text = "Become Child of Parent1";
     this.Button2.Click += new System.EventHandler(this.Button2_Click);
     // 
     // Button1
     // 
     this.Button1.Location = new System.Drawing.Point(12, 12);
     this.Button1.Name = "Button1";
     this.Button1.Size = new System.Drawing.Size(88, 32);
     this.Button1.TabIndex = 6;
     this.Button1.Text = "Become Parent";
     this.Button1.Click += new System.EventHandler(this.Button1_Click);
     // 
     // Form2
     // 
     this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
     this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
     this.ClientSize = new System.Drawing.Size(292, 154);
     this.Controls.Add(this.Button3);
     this.Controls.Add(this.Button2);
     this.Controls.Add(this.Button1);
     this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
     this.Name = "Form2";
     this.Text = "Form2";
     this.ResumeLayout(false);
   }
   private void Button1_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.MdiParent = null;
     this.IsMdiContainer = true;
     this.Show();
   }
   private void Button2_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.IsMdiContainer = false;
     this.MdiParent = Program.Main2;
     this.Show();
   }
   private void Button3_Click(object sender, System.EventArgs e)
   {
     this.Hide();
     this.IsMdiContainer = false;
     this.MdiParent = Program.Main1;
     this.Show();
   }
 }
 public class Form1 : Form
 {
   public Form1()
   {
     InitializeComponent();
   }
   private void Form1_FormClosed(object sender, FormClosedEventArgs e)
   {
     Application.Exit();
   }
   private void InitializeComponent()
   {
     this.SuspendLayout();
     this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
     this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
     this.ClientSize = new System.Drawing.Size(422, 351);
     this.IsMdiContainer = true;
     this.Name = "Form1";
     this.Text = "Form1";
     this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
     this.ResumeLayout(false);
   }
 }
 static class Program
 {
   public static Form1 Main1 = new Form1();
   public static Form1 Main2 = new Form1();
   public static Form2 Child = new Form2();
   [STAThread]
   public static void Main()
   {
     Application.EnableVisualStyles();
     Main1.Text = "Parent 2";
     Main2.Text = "Parent 1";
     Main1.Show();
     Main2.Show();
     Child.MdiParent = Main2;
     Child.Show();
     System.Windows.Forms.Application.Run();
   }
 }
      
  
   
   
 </source>

Form.KeyPress

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class KeyReader : System.Windows.Forms.Form {

   private System.Windows.Forms.Label lblPress;
   private System.Windows.Forms.Label lblDown;
   private System.Windows.Forms.Label label1;
   public KeyReader() {
      InitializeComponent();
   }
    private void InitializeComponent() {
     this.lblPress = new System.Windows.Forms.Label();
     this.lblDown = new System.Windows.Forms.Label();
     this.label1 = new System.Windows.Forms.Label();
     this.SuspendLayout();
     this.lblPress.Font = new System.Drawing.Font("Microsoft Sans Serif", 30F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
     this.lblPress.Location = new System.Drawing.Point(8, 190);
     this.lblPress.Name = "lblPress";
     this.lblPress.Size = new System.Drawing.Size(408, 48);
     this.lblPress.TabIndex = 0;
     this.lblPress.Text = "Press:";
     this.lblPress.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
     this.lblDown.Font = new System.Drawing.Font("Microsoft Sans Serif", 30F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
     this.lblDown.Location = new System.Drawing.Point(8, 254);
     this.lblDown.Name = "lblDown";
     this.lblDown.Size = new System.Drawing.Size(408, 48);
     this.lblDown.TabIndex = 0;
     this.lblDown.Text = "Down:";
     this.lblDown.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;

     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(424, 365);
     this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                 this.label1,
                                                                 this.lblDown,
                                                                 this.lblPress});
     this.KeyPreview = true;
     this.Name = "KeyReader";
     this.Text = "KeyReader";
     this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.KeyReader_KeyDown);
     this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.KeyReader_KeyPress);
     this.ResumeLayout(false);
   }
   [STAThread]
   static void Main() {
      Application.Run(new KeyReader());
   }
   private void KeyReader_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) {
     lblPress.Text =  "Press: " + Convert.ToString(e.KeyChar);
   }
   private void KeyReader_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) {
     lblDown.Text = "Down: " + Convert.ToString(e.KeyCode);
     if (e.KeyCode == Keys.ShiftKey){
        MessageBox.Show("That is one shifty character");
     }
   }

}

 </source>

Form.KeyPreview

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; namespace KeyPress {

   /// <summary>
   /// Summary description for KeyPress.
   /// </summary>
   public class KeyPress : System.Windows.Forms.Form
   {
   private System.Windows.Forms.Button button1;
   private System.Windows.Forms.Button button2;
       /// <summary>
       /// Required designer variable.
       /// </summary>
       private System.ruponentModel.Container components = null;
       public KeyPress()
       {
           //
           // Required for Windows Form Designer support
           //
           InitializeComponent();
           //
           // TODO: Add any constructor code after InitializeComponent call
           //
       }
       /// <summary>
       /// Clean up any resources being used.
       /// </summary>
       protected override void Dispose( bool disposing )
       {
           if( disposing )
           {
               if (components != null) 
               {
                   components.Dispose();
               }
           }
           base.Dispose( disposing );
       }
       #region Windows Form Designer generated code
       /// <summary>
       /// Required method for Designer support - do not modify
       /// the contents of this method with the code editor.
       /// </summary>
       private void InitializeComponent()
       {
     this.button1 = new System.Windows.Forms.Button();
     this.button2 = new System.Windows.Forms.Button();
     this.SuspendLayout();
     // 
     // button1
     // 
     this.button1.Location = new System.Drawing.Point(184, 104);
     this.button1.Name = "button1";
     this.button1.Size = new System.Drawing.Size(80, 48);
     this.button1.TabIndex = 0;
     this.button1.Text = "button1";
     // 
     // button2
     // 
     this.button2.Location = new System.Drawing.Point(176, 192);
     this.button2.Name = "button2";
     this.button2.Size = new System.Drawing.Size(80, 32);
     this.button2.TabIndex = 1;
     this.button2.Text = "button2";
     // 
     // KeyPress
     // 
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
     this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                 this.button2,
                                                                 this.button1});
     this.Name = "KeyPress";
     this.Text = "KeyPress";
     this.Load += new System.EventHandler(this.KeyPress_Load);
     this.ResumeLayout(false);
   }
       #endregion
       /// <summary>
       /// The main entry point for the application.
       /// </summary>
       [STAThread]
       static void Main() 
       {
           Application.Run(new KeyPress());
       }
   private void KeyPress_Load(object sender, System.EventArgs e)
   {
     this.KeyPreview=true;
   }
   protected override void OnKeyPress(KeyPressEventArgs e)
   {
     MessageBox.Show("Key Pressed = " + e.KeyChar.ToString());
   }
   }

}

 </source>

Form.KeyUp

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormMouseKeyEvent : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormMouseKeyEvent()
 {
   this.KeyUp += new KeyEventHandler(OnKeyUp);
   InitializeComponent();
   CenterToScreen();
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );    
 }
 private void InitializeComponent()
 {
   this.ruponents = new System.ruponentModel.Container();
   this.Size = new System.Drawing.Size(300,300);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormMouseKeyEvent());
 }
 public void OnKeyUp(object sender, KeyEventArgs e)
 {
   MessageBox.Show(e.KeyCode.ToString(), "Key Pressed!");
 }

}

 </source>

Form.Load

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; using System.Data; using System.Data.SqlClient; public class ComboBoxes : Form {

 ComboBox cmb;
 Button btnDisplay;
 Button btnInsert;
 Button btnSelect;
 Label lblEdit;
 TextBox txtDisplay;
 Boolean boolChange = false;
 Boolean boolProcessed = false;
 public ComboBoxes()
 {
   Size = new Size(300,400);
   this.Load += new EventHandler(this_Load);
   cmb = new ComboBox();
   cmb.Parent = this;
   cmb.Location = new Point(10,10);
   cmb.Size = new Size(ClientSize.Width / 2, Height - 200);
   cmb.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Bottom;
   cmb.DropDownStyle = ComboBoxStyle.DropDown;    
   cmb.DropDownStyle = ComboBoxStyle.Simple;
   cmb.DropDownWidth = (int)(cmb.Width * 1.5);
   cmb.MaxDropDownItems = 12;
   cmb.MaxLength = 20;
   cmb.SelectionChangeCommitted += new EventHandler(cmb_SelectionChangeCommitted);
   cmb.Leave += new EventHandler(cmb_Leave);
   btnInsert = new Button();
   btnInsert.Parent = this;
   btnInsert.Text = "&Insert Item";
   btnInsert.Size = new Size((int)(Font.Height * .75) * btnInsert.Text.Length, cmb.Height);
   btnInsert.Location = new Point(cmb.Right + 10, cmb.Top);
   btnInsert.Click += new System.EventHandler(btnInsert_Click);
   lblEdit = new Label();
   lblEdit.Parent = this;
   lblEdit.BorderStyle = BorderStyle.Fixed3D;
   lblEdit.Location = new Point(cmb.Left, cmb.Bottom + 10);
   lblEdit.BackColor = Color.LightGray;
   lblEdit.Text = "";
   lblEdit.Size = new Size(cmb.DropDownWidth, Font.Height * 2);
   btnDisplay = new Button();
   btnDisplay.Parent = this;
   btnDisplay.Text = "&Display Items";
   btnDisplay.Size = new Size((int)(Font.Height * .75) * btnDisplay.Text.Length, cmb.Height);
   btnDisplay.Location = new Point(lblEdit.Left, lblEdit.Bottom + 10);
   btnDisplay.Click += new System.EventHandler(btnDisplay_Click);
   txtDisplay = new TextBox();
   txtDisplay.Parent = this;
   txtDisplay.Location = new Point(btnDisplay.Left, btnDisplay.Bottom + 10);
   txtDisplay.Multiline = true;
   txtDisplay.ReadOnly = true;
   txtDisplay.BackColor = Color.LightGray;
   txtDisplay.ScrollBars = ScrollBars.Vertical;
   txtDisplay.Text = "";
   txtDisplay.Size = new Size(cmb.DropDownWidth, 200);
   
   btnSelect = new Button();
   btnSelect.Parent = this;
   btnSelect.Text = "&Select 4";
   btnSelect.Size = new Size((int)(Font.Height * .75) * btnSelect.Text.Length, cmb.Height);
   btnSelect.Location = new Point(btnDisplay.Right + 10, btnDisplay.Top);
   btnSelect.Click += new System.EventHandler(btnSelect_Click);
     cmb.Items.Add("A");
     cmb.Items.Add("B");
     cmb.Items.Add("C");
     cmb.Items.Add("D");
     cmb.Items.Add("E");                        
   cmb.SelectedIndex = 0;   
 }
 static void Main() 
 {
   Application.Run(new ComboBoxes());
 }
 private void this_Load(object sender, EventArgs e)
 {
   cmb.TextChanged += new EventHandler(cmb_TextChanged);
   cmb.SelectedIndexChanged += new EventHandler(cmb_SelectedIndexChanged);
 }
 private void cmb_TextChanged(object sender, EventArgs e)
 {
   if (!boolProcessed)
     lblEdit.Text = cmb.Text;
   boolChange = true;
 }    
 private void cmb_SelectedIndexChanged(object sender, EventArgs e)
 {
   if (boolChange)
   {
     boolChange = false;
     boolProcessed = false;
   }
 }
 private void cmb_SelectionChangeCommitted(object sender, EventArgs e)
 {
   if (boolChange)
     ProcessChange();
 }    
 private void cmb_Leave(object sender, EventArgs e)
 {
   if (boolChange)
   {
     ProcessChange();
     boolChange = false;
   }
 }    
 private void ProcessChange()
 {
   lblEdit.Text = "Edited: " + cmb.Text;
   boolProcessed = true;
 }
 private void btnDisplay_Click(object sender, EventArgs e)
 {
   string str = DateTime.Now.ToString() + "\r\n";
   foreach (object item in cmb.Items)
   {
     str += item.ToString() + "\r\n";
   }
   txtDisplay.Text = str;
 }    
 private void btnSelect_Click(object sender, EventArgs e)
 {
   cmb.Select(1,2);
 }    
 private void btnInsert_Click(object sender, EventArgs e)
 {
   if (cmb.FindStringExact(cmb.Text) != -1)
   {
     MessageBox.Show(""" + cmb.Text + "" already exists in the list.\r\n" + 
         "Will not be added again.",
         "Already Exists!");
   }
   else if (cmb.Text == "")
   {
     MessageBox.Show("There is nothing to add.","Nothing There");
   }
   else
   {
     cmb.Items.Add(cmb.Text);
   }
 }

}

 </source>

Form.Location

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class FormMoveDemo : Form {

   private bool dragging;
   private Point pointClicked;
   public FormMoveDemo()
   {
       InitializeComponent();
   }
   private void lblDrag_MouseDown(object sender, MouseEventArgs e)
   {
       if (e.Button == MouseButtons.Left)
       {
           dragging = true;
           pointClicked = new Point(e.X, e.Y);
       }
       else
       {
           dragging = false;
       }
   }
   private void lblDrag_MouseMove(object sender, MouseEventArgs e)
   {
       if (dragging){
           Point pointMoveTo;
           pointMoveTo = this.PointToScreen(new Point(e.X, e.Y));
           pointMoveTo.Offset(-pointClicked.X, -pointClicked.Y);
           this.Location = pointMoveTo;
       }   
   }
   private void lblDrag_MouseUp(object sender, MouseEventArgs e)
   {
       dragging = false;
   }
   private void cmdClose_Click(object sender, EventArgs e)
   {
       this.Close();
   }
   [STAThread]
   public static void Main(string[] args)
   {
       Application.Run(new FormMoveDemo());
   }
   private System.Windows.Forms.Button cmdClose= new System.Windows.Forms.Button();
   private System.Windows.Forms.Label lblDrag = new System.Windows.Forms.Label();
   private System.ruponentModel.IContainer components = null;
   private void InitializeComponent()
   {
       this.SuspendLayout();
       this.cmdClose.Location = new System.Drawing.Point(102, 215);
       this.cmdClose.Name = "cmdClose";
       this.cmdClose.Size = new System.Drawing.Size(76, 20);
       this.cmdClose.TabIndex = 5;
       this.cmdClose.Text = "Close";
       this.cmdClose.Click += new System.EventHandler(this.cmdClose_Click);
       this.lblDrag.BackColor = System.Drawing.Color.Navy;
       this.lblDrag.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
       this.lblDrag.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
       this.lblDrag.ForeColor = System.Drawing.Color.White;
       this.lblDrag.Location = new System.Drawing.Point(94, 167);
       this.lblDrag.Name = "lblDrag";
       this.lblDrag.Size = new System.Drawing.Size(96, 36);
       this.lblDrag.TabIndex = 4;
       this.lblDrag.Text = "Click here to move the form!";
       this.lblDrag.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseUp);
       this.lblDrag.MouseMove += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseMove);
       this.lblDrag.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblDrag_MouseDown);
       this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
       this.ClientSize = new System.Drawing.Size(292, 266);
       this.ControlBox = false;
       this.Controls.Add(this.cmdClose);
       this.Controls.Add(this.lblDrag);
       this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
       this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
       this.MaximizeBox = false;
       this.MinimizeBox = false;
       this.ResumeLayout(false);
   }

}

 </source>

Form.MaximizeBox

<source lang="csharp"> using System.Drawing; using System.Windows.Forms;

class FormProperties {

    public static void Main()
    {
         Form form = new Form();
  
         form.Text            = "Form Properties";
         form.BackColor       = Color.BlanchedAlmond;
         form.Width          *= 2;
         form.Height         /= 2;
  
         form.FormBorderStyle = FormBorderStyle.FixedSingle;
         form.MaximizeBox     = false;
         form.Cursor          = Cursors.Hand;
         form.StartPosition   = FormStartPosition.CenterScreen;
  
         Application.Run(form);
    }

}

 </source>

Form.MaximumSize

 using System;
 using System.Drawing;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;
 public class Form1 : System.Windows.Forms.Form
 {
   private Button myButton; 
   public Form1()
   {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
       
           this.MaximumSize=new Size(300,300);
           this.MinimumSize=new Size(300,300);
     myButton = new Button();
     myButton.Text = "www.nfex.ru";
     myButton.Location = new System.Drawing.Point(64, 32);
     myButton.Size = new System.Drawing.Size(150, 50);
     Controls.Add(myButton);
   }
   static void Main() 
   {
     Application.Run(new Form1());
   }
 }
  
 </source>

Form.MdiParent

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; namespace MdiBasic {

 public class frmContainer : System.Windows.Forms.Form
 {
   private System.ruponentModel.Container components = null;
   public frmContainer()
   {
     InitializeComponent();
           MdiBasic.frmChild child = new MdiBasic.frmChild(this);
           child.Show();
       }
   private void InitializeComponent()
   {
        this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
        this.ClientSize = new System.Drawing.Size(292, 273);
        this.IsMdiContainer = true;
        this.Name = "frmContainer";
        this.Text = "MDI Basic";
        this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
       }
   [STAThread]
   static void Main() 
   {
     Application.Run(new frmContainer());
   }
 }
 public class frmChild : System.Windows.Forms.Form
 {
   private System.ruponentModel.Container components = null;
       public frmChild(MdiBasic.frmContainer parent)
   {
     InitializeComponent();
           this.MdiParent = parent;
       }
   private void InitializeComponent()
   {
     this.ruponents = new System.ruponentModel.Container();
     this.Size = new System.Drawing.Size(300,300);
     this.Text = "frmChild";
   }
 }

}

 </source>

Form.Menu

<source lang="csharp"> using System; using System.Windows.Forms;

class AddMenuForm : Form {

 MainMenu MyMenu; 

 public AddMenuForm() { 
   Text = "Adding a Main Menu"; 
   MyMenu  = new MainMenu(); 

   MenuItem m1 = new MenuItem("File"); 
   MyMenu.MenuItems.Add(m1); 

   MenuItem m2 = new MenuItem("Tools"); 
   MyMenu.MenuItems.Add(m2); 

   MenuItem subm1 = new MenuItem("Open"); 
   m1.MenuItems.Add(subm1); 

   MenuItem subm2 = new MenuItem("Close"); 
   m1.MenuItems.Add(subm2); 

   MenuItem subm3 = new MenuItem("Exit"); 
   m1.MenuItems.Add(subm3); 

   MenuItem subm4 = new MenuItem("Coordinates"); 
   m2.MenuItems.Add(subm4); 

   MenuItem subm5 = new MenuItem("Change Size"); 
   m2.MenuItems.Add(subm5); 

   MenuItem subm6 = new MenuItem("Restore"); 
   m2.MenuItems.Add(subm6); 


   subm1.Click += MMOpenClick; 
   subm2.Click += MMCloseClick; 
   subm3.Click += MMExitClick; 
   subm4.Click += MMCoordClick; 
   subm5.Click += MMChangeClick; 
   subm6.Click += MMRestoreClick; 

   Menu = MyMenu; 
 }   

 [STAThread] 
 public static void Main() { 
   AddMenuForm skel = new AddMenuForm(); 

   Application.Run(skel); 
 } 

 protected void MMCoordClick(object who, EventArgs e) { 
 } 

 protected void MMChangeClick(object who, EventArgs e) { 
   
 } 

 protected void MMRestoreClick(object who, EventArgs e) { 
   
 } 

 protected void MMOpenClick(object who, EventArgs e) { 

   Console.WriteLine("MMOpenClick"); 
 } 

 protected void MMCloseClick(object who, EventArgs e) { 
   Console.WriteLine("MMCloseClick"); 
 } 

 protected void MMExitClick(object who, EventArgs e) { 
    Console.WriteLine("Exit"); 
 }

}

 </source>

Form.MenuComplete

  using System;
 using System.Drawing;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;
 
 internal struct TheFontSize
 {
   public static int Huge = 30;
   public static int Normal = 20;
   public static int Tiny = 8;
 }
 
 public class mainForm : System.Windows.Forms.Form
 {
   Color currColor = Color.MistyRose;
   private int currFontSize = TheFontSize.Normal;
   private StatusBarPanel sbPnlPrompt = new StatusBarPanel();
   private StatusBarPanel sbPnlTime = new StatusBarPanel();
   private MainMenu mainMenu = new MainMenu();
   
   private MenuItem currentCheckedItem;
   private MenuItem checkedHuge;
   private MenuItem checkedNormal;
   private MenuItem checkedTiny;

   public mainForm()
   {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
     this.MenuComplete += new EventHandler(StatusForm_MenuDone);
     BuildMenuSystem();
     BuildStatBar();
   }
   static void Main() 
   {
     Application.Run(new mainForm());
   }
   private void FileExit_Clicked(object sender, EventArgs e) 
   {
     Console.WriteLine("File | Exit Menu item handler");
     this.Close();
   }
   private void FileSave_Clicked(object sender, EventArgs e) 
   {
           Console.WriteLine("File | Save Menu item handler");
   }
   private void ColorItem_Clicked(object sender, EventArgs e) 
   {
     MenuItem miClicked = (MenuItem)sender;
     string color = miClicked.Text.Remove(0,1);
     
     this.BackColor = Color.FromName(color);
     currColor = this.BackColor;
   }
   private void PopUp_Clicked(object sender, EventArgs e) 
   {
     currentCheckedItem.Checked = false;
     MenuItem miClicked = (MenuItem)sender;
     string item = miClicked.Text;
     
     if(item == "Huge") {
       currFontSize = TheFontSize.Huge;
       currentCheckedItem = checkedHuge;
     }else if(item == "Normal") {
       currFontSize = TheFontSize.Normal;
       currentCheckedItem = checkedNormal;
     }else if(item == "Tiny") {
       currFontSize = TheFontSize.Tiny;
       currentCheckedItem = checkedTiny;
     }
     currentCheckedItem.Checked = true;
     Invalidate();
   }
   protected override void OnPaint(PaintEventArgs e)
   {
     Graphics g = e.Graphics;
     g.DrawString("www.nfex.ru", 
       new Font("Times New Roman", (float)currFontSize), 
       new SolidBrush(Color.Black), 
       this.DisplayRectangle);
   }
   
   protected override void OnResize(EventArgs e)
   {
     base.OnResize(e);
     Invalidate();
   }
   private void HelpAbout_Clicked(object sender, EventArgs e) 
   {
     Console.WriteLine("The amazing final app...", "About...");
   }
       
   private void FileMenuItem_Selected(object sender, EventArgs e) 
   {
     MenuItem miClicked = (MenuItem)sender;
     string item = miClicked.Text.Remove(0,1);
     
     if(item == "Save..."){
       sbPnlPrompt.Text = "Save current settings.";     
     }else{
       sbPnlPrompt.Text = "Terminates this app.";     
       } 
   }
   private void ColorMenuItem_Selected(object sender, EventArgs e) 
   {
     MenuItem miClicked = (MenuItem)sender;
     string item = miClicked.Text.Remove(0,1);
     sbPnlPrompt.Text = "Select " + item;            
   }
   private void HelpAbout_Selected(object sender, EventArgs e) 
   {
     sbPnlPrompt.Text = "Displays app info";
   }
   private void StatusForm_MenuDone(object sender, EventArgs e) 
   {
     sbPnlPrompt.Text = "Ready";
   }
   private void timer1_Tick(object sender, EventArgs e) 
   {
     DateTime t = DateTime.Now;
     string s = t.ToLongTimeString() ;
     sbPnlTime.Text = s ;    
   }
   private void BuildMenuSystem()
   {
     MenuItem miFile = mainMenu.MenuItems.Add("&File");           
     miFile.MenuItems.Add(new MenuItem("&Save...", new EventHandler(this.FileSave_Clicked), Shortcut.CtrlS));     
     miFile.MenuItems.Add(new MenuItem("E&xit", new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
     miFile.MenuItems[0].Select += new EventHandler(FileMenuItem_Selected);
     miFile.MenuItems[1].Select += new EventHandler(FileMenuItem_Selected);
     MenuItem miColor = mainMenu.MenuItems.Add("&Background Color");
     miColor.MenuItems.Add("&DarkGoldenrod", new EventHandler(ColorItem_Clicked));
     miColor.MenuItems.Add("&GreenYellow", new EventHandler(ColorItem_Clicked));
     
     for(int i = 0; i < miColor.MenuItems.Count; i++){
       miColor.MenuItems[i].Select += new EventHandler(ColorMenuItem_Selected);
           }
     MenuItem miHelp = mainMenu.MenuItems.Add("Help");  
     miHelp.MenuItems.Add(new MenuItem("&About", new EventHandler(this.HelpAbout_Clicked), Shortcut.CtrlA));
     miHelp.MenuItems[0].Select += new EventHandler(HelpAbout_Selected);
     this.Menu = mainMenu;  
           ContextMenu popUpMenu = new ContextMenu();
     popUpMenu.MenuItems.Add("Huge", new EventHandler(PopUp_Clicked));
     popUpMenu.MenuItems.Add("Normal", new EventHandler(PopUp_Clicked));
     popUpMenu.MenuItems.Add("Tiny", new EventHandler(PopUp_Clicked));
     this.ContextMenu = popUpMenu;
     checkedHuge = this.ContextMenu.MenuItems[0];
     checkedNormal = this.ContextMenu.MenuItems[1];        
     checkedTiny = this.ContextMenu.MenuItems[2];
     
     if(currFontSize == TheFontSize.Huge)
       currentCheckedItem = checkedHuge;
     else if(currFontSize == TheFontSize.Normal)
       currentCheckedItem = checkedNormal;
     else
       currentCheckedItem = checkedTiny;
     currentCheckedItem.Checked = true;
   }
   private void BuildStatBar()
   {
       Timer timer1 = new Timer();
     timer1.Interval = 1000;
     timer1.Enabled = true;
     timer1.Tick += new EventHandler(timer1_Tick);
       StatusBar statusBar = new StatusBar();
       
     statusBar.ShowPanels = true;
     statusBar.Panels.AddRange((StatusBarPanel[])new StatusBarPanel[] {sbPnlPrompt, sbPnlTime});
     sbPnlPrompt.BorderStyle = StatusBarPanelBorderStyle.None;
     sbPnlPrompt.AutoSize = StatusBarPanelAutoSize.Spring;
     sbPnlPrompt.Width = 62;
     sbPnlPrompt.Text = "Ready";
     sbPnlTime.Alignment = System.Windows.Forms.HorizontalAlignment.Right;
     sbPnlTime.Width = 76;
     try
     {
       Icon i = new Icon("icon1.ico");
       sbPnlPrompt.Icon = i;
     } catch(Exception e) {
       MessageBox.Show(e.Message);
     }
     this.Controls.Add(statusBar);  
   }
 }
  
   
 </source>

Form.MinimizeBox

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class BetterDialog: Form {

    public static void Main()
    {
         Application.Run(new BetterDialog());
    }
    public BetterDialog()
    {
         Menu = new MainMenu();
         Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick));
    }
    void MenuOnClick(object obj, EventArgs ea)
    {
         BetterDialogBox dlg = new BetterDialogBox();
         DialogResult    dr  = dlg.ShowDialog();
  
         Console.WriteLine(dr);
    }

} class BetterDialogBox: Form {

    public BetterDialogBox()
    {
         Text = "Better Dialog Box";
  
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
         StartPosition   = FormStartPosition.Manual;
         Location        = ActiveForm.Location + 
                           SystemInformation.CaptionButtonSize +
                           SystemInformation.FrameBorderSize;
  
         Button btn = new Button();
         btn.Parent   = this;
         btn.Text     = "OK";
         btn.Location = new Point(50, 50);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.OK;
  
         AcceptButton = btn;
  
         btn = new Button();
         btn.Parent   = this;
         btn.Text     = "Cancel";
         btn.Location = new Point(50, 100);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.Cancel;
  
         CancelButton = btn;
    }

}

 </source>

Form.MinimumSize

 using System;
 using System.Drawing;
 using System.Collections;
 using System.ruponentModel;
 using System.Windows.Forms;
 using System.Data;
 public class Form1 : System.Windows.Forms.Form
 {
   private Button myButton; 
   public Form1()
   {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
       
           this.MaximumSize=new Size(300,300);
           this.MinimumSize=new Size(300,300);
     myButton = new Button();
     myButton.Text = "www.nfex.ru";
     myButton.Location = new System.Drawing.Point(64, 32);
     myButton.Size = new System.Drawing.Size(150, 50);
     Controls.Add(myButton);
   }
   static void Main() 
   {
     Application.Run(new Form1());
   }
 }
  
 </source>

Form.MouseDown

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; using System.Drawing.Drawing2D; public class Form1 : System.Windows.Forms.Form{

  public Form1() {
     InitializeComponent();
  }
  private void InitializeComponent() {
     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
     this.ClientSize = new System.Drawing.Size(292, 273);
     this.Name = "Form1";
     this.Text = "Form1";
     this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
  }
  static void Main() {
     Application.Run(new Form1());
  }
  private void Form1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) {
     Console.WriteLine("Mouse down");
  }

}

 </source>

Form.MouseLeave(All other events)

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public partial class Form1 : Form {

   public Form1()
   {
       InitializeComponent();
   }
   private void Form1_Activated(object sender, EventArgs e)
   {
       Console.WriteLine("Activated");
   }
   private void Form1_AutoSizeChanged(object sender, EventArgs e)
   {
       Console.WriteLine("Autosizechanged");
      
   }
   private void Form1_AutoValidateChanged(object sender, EventArgs e)
   {
       Console.WriteLine("AutoValidateChanged");
   }
   private void Form1_BackColorChanged(object sender, EventArgs e)
   {
       Console.WriteLine("BackColorChanged");
   }
   private void Form1_BackgroundImageChanged(object sender, EventArgs e)
   {
       Console.WriteLine("BackgroundImageChanged");
   }
   private void Form1_BackgroundImageLayoutChanged(object sender, EventArgs e)
   {
       Console.WriteLine("BackgroundImageLayoutChanged");
   }
   private void Form1_BindingContextChanged(object sender, EventArgs e)
   {
       Console.WriteLine("BindingContextChanged");
   }
   private void Form1_CausesValidationChanged(object sender, EventArgs e)
   {
       Console.WriteLine("CausesValidationChanged");
   }
   private void Form1_ChangeUICues(object sender, UICuesEventArgs e)
   {
       Console.WriteLine("ChangeUICues");
   }
   private void Form1_Click(object sender, EventArgs e)
   {
       Console.WriteLine("Click");
   }
   private void Form1_ContextMenuStripChanged(object sender, EventArgs e)
   {
       Console.WriteLine("ContextMenuStripChanged");
   }
   private void Form1_ControlAdded(object sender, ControlEventArgs e)
   {
       Console.WriteLine("ControlAdded");
   }
   private void Form1_ControlRemoved(object sender, ControlEventArgs e)
   {
       Console.WriteLine("ControlRemoved");
   }
   private void Form1_CursorChanged(object sender, EventArgs e)
   {
       Console.WriteLine("CursorChanged");
   }
   private void Form1_Deactivate(object sender, EventArgs e)
   {
       Console.WriteLine("Deactivate");
   }
   private void Form1_DockChanged(object sender, EventArgs e)
   {
       Console.WriteLine("DockChanged");
   }
   private void Form1_DoubleClick(object sender, EventArgs e)
   {
       Console.WriteLine("DoubleClick");
   }
   private void Form1_DragDrop(object sender, DragEventArgs e)
   {
       Console.WriteLine("DragDrop");
    
   }
   private void Form1_DragEnter(object sender, DragEventArgs e)
   {
       Console.WriteLine("DragEnter");
   }
   private void Form1_DragLeave(object sender, EventArgs e)
   {
       Console.WriteLine("DragLeave");
   }
   private void Form1_DragOver(object sender, DragEventArgs e)
   {
       Console.WriteLine("DragOver");
   }
   private void Form1_EnabledChanged(object sender, EventArgs e)
   {
       Console.WriteLine("EnabledChanged");
   }
   private void Form1_Enter(object sender, EventArgs e)
   {
       Console.WriteLine("Enter");
   }
   private void Form1_FontChanged(object sender, EventArgs e)
   {
       Console.WriteLine("FontChanged");
   }
   private void Form1_ForeColorChanged(object sender, EventArgs e)
   {
       Console.WriteLine("ForeColorChanged");
   }
   private void Form1_FormClosed(object sender, FormClosedEventArgs e)
   {
       Console.WriteLine("FormClosed");
   }
   private void Form1_FormClosing(object sender, FormClosingEventArgs e)
   {
       Console.WriteLine("FormClosing");
   }
   private void Form1_GiveFeedback(object sender, GiveFeedbackEventArgs e)
   {
       Console.WriteLine("GiveFeedback");
   }
   private void Form1_HelpButtonClicked(object sender, CancelEventArgs e)
   {
       Console.WriteLine("HelpButtonClicked");
   }
   private void Form1_HelpRequested(object sender, HelpEventArgs hlpevent)
   {
       Console.WriteLine("HelpRequested");
   }
   private void Form1_ImeModeChanged(object sender, EventArgs e)
   {
       Console.WriteLine("ImeModeChanged");
   }
   private void Form1_InputLanguageChanged(object sender, InputLanguageChangedEventArgs e)
   {
       Console.WriteLine("InputLanguageChanged");
   }
   private void Form1_InputLanguageChanging(object sender, InputLanguageChangingEventArgs e)
   {
       Console.WriteLine("InputLanguageChanging");
   }
   private void Form1_KeyDown(object sender, KeyEventArgs e)
   {
       Console.WriteLine("KeyDown");
   }
   private void Form1_KeyPress(object sender, KeyPressEventArgs e)
   {
       Console.WriteLine("KeyPress");
   }
   private void Form1_KeyUp(object sender, KeyEventArgs e)
   {
       Console.WriteLine("KeyUp");
   }
   private void Form1_Layout(object sender, LayoutEventArgs e)
   {
       Console.WriteLine("Layout");
   }
   private void Form1_Leave(object sender, EventArgs e)
   {
       Console.WriteLine("Leave");
   }
   private void Form1_Load(object sender, EventArgs e)
   {
       Console.WriteLine("Load");
   }
   private void Form1_LocationChanged(object sender, EventArgs e)
   {
       Console.WriteLine("LocationChanged");
   }
   private void Form1_MarginChanged(object sender, EventArgs e)
   {
       Console.WriteLine("MarginChanged");
   }
   private void Form1_MaximizedBoundsChanged(object sender, EventArgs e)
   {
       Console.WriteLine("MaximizedBoundsChanged");
   }
   private void Form1_MaximumSizeChanged(object sender, EventArgs e)
   {
       Console.WriteLine("MAximumSizeChanged");
   }
   private void Form1_MdiChildActivate(object sender, EventArgs e)
   {
       Console.WriteLine("MdiChildActivate");
   }
   private void Form1_MenuComplete(object sender, EventArgs e)
   {
       Console.WriteLine("MenuComplete");
   }
   private void Form1_MenuStart(object sender, EventArgs e)
   {
       Console.WriteLine("MenuStart");
   }
   private void Form1_MinimumSizeChanged(object sender, EventArgs e)
   {
       Console.WriteLine("MinimumSizeChanged");
   }
   private void Form1_MouseCaptureChanged(object sender, EventArgs e)
   {
       Console.WriteLine("MouseCaptureChanged");
   }
   private void Form1_MouseClick(object sender, MouseEventArgs e)
   {
       Console.WriteLine("MouseClick");
   }
   private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
   {
       Console.WriteLine("MouseDoubleClick");
   }
   private void Form1_MouseDown(object sender, MouseEventArgs e)
   {
       Console.WriteLine("MouseDown");
   }
   private void Form1_MouseEnter(object sender, EventArgs e)
   {
       Console.WriteLine("MouseEnter");
   }
   private void Form1_MouseHover(object sender, EventArgs e)
   {
       Console.WriteLine("MouseHover");
   }
   private void Form1_MouseLeave(object sender, EventArgs e)
   {
       Console.WriteLine("MouseLeave");
   }
   private void Form1_MouseMove(object sender, MouseEventArgs e)
   {
       Console.WriteLine("MouseMove");
   }
   private void Form1_MouseUp(object sender, MouseEventArgs e)
   {
       Console.WriteLine("MouseUp");
   }
   private void Form1_Move(object sender, EventArgs e)
   {
       Console.WriteLine("Move");
   }
   private void Form1_PaddingChanged(object sender, EventArgs e)
   {
       Console.WriteLine("PaddingChanged");
   }
   private void Form1_Paint(object sender, PaintEventArgs e)
   {
       Console.WriteLine("Paint");
   }
   private void Form1_ParentChanged(object sender, EventArgs e)
   {
       Console.WriteLine("ParentChanged");
   }
   private void Form1_QueryAccessibilityHelp(object sender, QueryAccessibilityHelpEventArgs e)
   {
       Console.WriteLine("QueryAccessibilityHelp");
   }
   private void Form1_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
   {
       Console.WriteLine("QueryContinueDrag");
   }
   private void Form1_RegionChanged(object sender, EventArgs e)
   {
       Console.WriteLine("RegionChanged");
   }
   private void Form1_Resize(object sender, EventArgs e)
   {
       Console.WriteLine("Resize");
   }
   private void Form1_ResizeBegin(object sender, EventArgs e)
   {
       Console.WriteLine("ResizeBegin");
   }
   private void Form1_ResizeEnd(object sender, EventArgs e)
   {
       Console.WriteLine("ResizeEnd");
   }
   private void Form1_RightToLeftChanged(object sender, EventArgs e)
   {
       Console.WriteLine("RightToLeftChanged");
   }
   private void Form1_RightToLeftLayoutChanged(object sender, EventArgs e)
   {
       Console.WriteLine("RightToLeftLayoutChanged");
   }
   private void Form1_Scroll(object sender, ScrollEventArgs e)
   {
       Console.WriteLine("Scroll");
   }
   private void Form1_Shown(object sender, EventArgs e)
   {
       Console.WriteLine("Shown");
   }
   private void Form1_SizeChanged(object sender, EventArgs e)
   {
       Console.WriteLine("SizeChanged");
   }
   private void Form1_StyleChanged(object sender, EventArgs e)
   {
       Console.WriteLine("StyleChanged");
   }
   private void Form1_SystemColorsChanged(object sender, EventArgs e)
   {
       Console.WriteLine("SystemColorsChanged");
   }
   private void Form1_TextChanged(object sender, EventArgs e)
   {
       Console.WriteLine("TextChanged");
   }
   private void Form1_Validated(object sender, EventArgs e)
   {
       Console.WriteLine("Validated");
   }
   private void Form1_Validating(object sender, CancelEventArgs e)
   {
       Console.WriteLine("Validating");
   }
   private void Form1_VisibleChanged(object sender, EventArgs e)
   {
       Console.WriteLine("VisibleChanged");
   }

} partial class Form1 {

   private void InitializeComponent()
   {
       this.button1 = new System.Windows.Forms.Button();
       this.SuspendLayout();
       // 
       // button1
       // 
       this.button1.Location = new System.Drawing.Point(87, 79);
       this.button1.Name = "button1";
       this.button1.Size = new System.Drawing.Size(75, 23);
       this.button1.TabIndex = 0;
       this.button1.Text = "button1";
       // 
       // Form1
       // 
       this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
       this.ClientSize = new System.Drawing.Size(292, 266);
       this.Controls.Add(this.button1);
       this.Name = "Form1";
       this.Text = "Form1";
       this.CursorChanged += new System.EventHandler(this.Form1_CursorChanged);
       this.RightToLeftLayoutChanged += new System.EventHandler(this.Form1_RightToLeftLayoutChanged);
       this.QueryContinueDrag += new System.Windows.Forms.QueryContinueDragEventHandler(this.Form1_QueryContinueDrag);
       this.Deactivate += new System.EventHandler(this.Form1_Deactivate);
       this.Load += new System.EventHandler(this.Form1_Load);
       this.BackgroundImageLayoutChanged += new System.EventHandler(this.Form1_BackgroundImageLayoutChanged);
       this.RightToLeftChanged += new System.EventHandler(this.Form1_RightToLeftChanged);
       this.DragLeave += new System.EventHandler(this.Form1_DragLeave);
       this.InputLanguageChanged += new System.Windows.Forms.InputLanguageChangedEventHandler(this.Form1_InputLanguageChanged);
       this.Validating += new System.ruponentModel.CancelEventHandler(this.Form1_Validating);
       this.BackgroundImageChanged += new System.EventHandler(this.Form1_BackgroundImageChanged);
       this.MouseDoubleClick += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDoubleClick);
       this.DragEnter += new System.Windows.Forms.DragEventHandler(this.Form1_DragEnter);
       this.ControlAdded += new System.Windows.Forms.ControlEventHandler(this.Form1_ControlAdded);
       this.FontChanged += new System.EventHandler(this.Form1_FontChanged);
       this.MaximizedBoundsChanged += new System.EventHandler(this.Form1_MaximizedBoundsChanged);
       this.AutoSizeChanged += new System.EventHandler(this.Form1_AutoSizeChanged);
       this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
       this.VisibleChanged += new System.EventHandler(this.Form1_VisibleChanged);
       this.BindingContextChanged += new System.EventHandler(this.Form1_BindingContextChanged);
       this.HelpButtonClicked += new System.ruponentModel.CancelEventHandler(this.Form1_HelpButtonClicked);
       this.EnabledChanged += new System.EventHandler(this.Form1_EnabledChanged);
       this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseDown);
       this.ContextMenuStripChanged += new System.EventHandler(this.Form1_ContextMenuStripChanged);
       this.Scroll += new System.Windows.Forms.ScrollEventHandler(this.Form1_Scroll);
       this.MouseLeave += new System.EventHandler(this.Form1_MouseLeave);
       this.MouseClick += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseClick);
       this.Validated += new System.EventHandler(this.Form1_Validated);
       this.ParentChanged += new System.EventHandler(this.Form1_ParentChanged);
       this.Resize += new System.EventHandler(this.Form1_Resize);
       this.ControlRemoved += new System.Windows.Forms.ControlEventHandler(this.Form1_ControlRemoved);
       this.Shown += new System.EventHandler(this.Form1_Shown);
       this.AutoValidateChanged += new System.EventHandler(this.Form1_AutoValidateChanged);
       this.SizeChanged += new System.EventHandler(this.Form1_SizeChanged);
       this.DoubleClick += new System.EventHandler(this.Form1_DoubleClick);
       this.Activated += new System.EventHandler(this.Form1_Activated);
       this.Enter += new System.EventHandler(this.Form1_Enter);
       this.Layout += new System.Windows.Forms.LayoutEventHandler(this.Form1_Layout);
       this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseUp);
       this.StyleChanged += new System.EventHandler(this.Form1_StyleChanged);
       this.ForeColorChanged += new System.EventHandler(this.Form1_ForeColorChanged);
       this.DragDrop += new System.Windows.Forms.DragEventHandler(this.Form1_DragDrop);
       this.MouseEnter += new System.EventHandler(this.Form1_MouseEnter);
       this.MdiChildActivate += new System.EventHandler(this.Form1_MdiChildActivate);
       this.Leave += new System.EventHandler(this.Form1_Leave);
       this.MouseMove += new System.Windows.Forms.MouseEventHandler(this.Form1_MouseMove);
       this.MinimumSizeChanged += new System.EventHandler(this.Form1_MinimumSizeChanged);
       this.Move += new System.EventHandler(this.Form1_Move);
       this.MouseCaptureChanged += new System.EventHandler(this.Form1_MouseCaptureChanged);
       this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.Form1_FormClosed);
       this.PaddingChanged += new System.EventHandler(this.Form1_PaddingChanged);
       this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Form1_KeyPress);
       this.ChangeUICues += new System.Windows.Forms.UICuesEventHandler(this.Form1_ChangeUICues);
       this.DockChanged += new System.EventHandler(this.Form1_DockChanged);
       this.GiveFeedback += new System.Windows.Forms.GiveFeedbackEventHandler(this.Form1_GiveFeedback);
       this.ImeModeChanged += new System.EventHandler(this.Form1_ImeModeChanged);
       this.Click += new System.EventHandler(this.Form1_Click);
       this.SystemColorsChanged += new System.EventHandler(this.Form1_SystemColorsChanged);
       this.QueryAccessibilityHelp += new System.Windows.Forms.QueryAccessibilityHelpEventHandler(this.Form1_QueryAccessibilityHelp);
       this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
       this.RegionChanged += new System.EventHandler(this.Form1_RegionChanged);
       this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyUp);
       this.MarginChanged += new System.EventHandler(this.Form1_MarginChanged);
       this.TextChanged += new System.EventHandler(this.Form1_TextChanged);
       this.ResizeBegin += new System.EventHandler(this.Form1_ResizeBegin);
       this.HelpRequested += new System.Windows.Forms.HelpEventHandler(this.Form1_HelpRequested);
       this.LocationChanged += new System.EventHandler(this.Form1_LocationChanged);
       this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.Form1_KeyDown);
       this.BackColorChanged += new System.EventHandler(this.Form1_BackColorChanged);
       this.InputLanguageChanging += new System.Windows.Forms.InputLanguageChangingEventHandler(this.Form1_InputLanguageChanging);
       this.MenuStart += new System.EventHandler(this.Form1_MenuStart);
       this.MouseHover += new System.EventHandler(this.Form1_MouseHover);
       this.ResizeEnd += new System.EventHandler(this.Form1_ResizeEnd);
       this.DragOver += new System.Windows.Forms.DragEventHandler(this.Form1_DragOver);
       this.CausesValidationChanged += new System.EventHandler(this.Form1_CausesValidationChanged);
       this.MenuComplete += new System.EventHandler(this.Form1_MenuComplete);
       this.MaximumSizeChanged += new System.EventHandler(this.Form1_MaximumSizeChanged);
       this.ResumeLayout(false);
   }
   private System.Windows.Forms.Button button1;

} public class FormEventAll {

   [STAThread]
   static void Main()
   {
       Application.EnableVisualStyles();
       Application.Run(new Form1());
       MessageBox.Show("Click OK to finish");
   }

}

 </source>

Form.MouseUp

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormMouseUpEvent : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormMouseUpEvent()
 {
   this.MouseUp += new MouseEventHandler(OnMouseUp);
   InitializeComponent();
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );    
 }
 private void InitializeComponent()
 {
   this.ruponents = new System.ruponentModel.Container();
   this.Size = new System.Drawing.Size(300,300);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormMouseUpEvent());
 }
 protected void OnMouseUp(object sender, MouseEventArgs e)
 {
   // Which mouse button was clicked?
   if(e.Button == MouseButtons.Left)
     MessageBox.Show("Left click!");
   if(e.Button == MouseButtons.Right)
     MessageBox.Show("Right click!");
   if(e.Button == MouseButtons.Middle)
     MessageBox.Show("Middle click!");
 }

}

 </source>

Form.OnDragDrop

using System; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Windows.Forms; class ImageDrop : Form {

   bool bIsTarget;
   Image image;
   public static void Main() {
       Application.Run(new ImageDrop());
   }
   public ImageDrop() {
       AllowDrop = true;
   }
   protected override void OnDragOver(DragEventArgs dea) {
       if (dea.Data.GetDataPresent(DataFormats.FileDrop) || dea.Data.GetDataPresent(typeof(Metafile)) || dea.Data.GetDataPresent(typeof(Bitmap))) {
           if ((dea.AllowedEffect & DragDropEffects.Move) != 0)
               dea.Effect = DragDropEffects.Move;
           if (((dea.AllowedEffect & DragDropEffects.Copy) != 0) && ((dea.KeyState & 0x08) != 0))    // Ctrl key
               dea.Effect = DragDropEffects.Copy;
       }
   }
   protected override void OnDragDrop(DragEventArgs dea) {
       if (dea.Data.GetDataPresent(DataFormats.FileDrop)) {
           string[] astr = (string[])dea.Data.GetData(DataFormats.FileDrop);
           image = Image.FromFile(astr[0]);
           Invalidate();
       } else {
           if (dea.Data.GetDataPresent(typeof(Metafile)))
               image = (Image)dea.Data.GetData(typeof(Metafile));
           else if (dea.Data.GetDataPresent(typeof(Bitmap)))
               image = (Image)dea.Data.GetData(typeof(Bitmap));
           bIsTarget = true;
           Invalidate();
       }
   }
   protected override void OnMouseDown(MouseEventArgs mea) {
       if (image != null) {
           bIsTarget = false;
           DragDropEffects dde = DoDragDrop(image,DragDropEffects.Copy | DragDropEffects.Move);
           if (dde == DragDropEffects.Move && !bIsTarget)
               image = null;
       }
   }

}

 </source>

Form.OnDragOver

using System; using System.Drawing; using System.Drawing.Imaging; using System.IO; using System.Windows.Forms; class ImageDrop : Form {

   bool bIsTarget;
   Image image;
   public static void Main() {
       Application.Run(new ImageDrop());
   }
   public ImageDrop() {
       AllowDrop = true;
   }
   protected override void OnDragOver(DragEventArgs dea) {
       if (dea.Data.GetDataPresent(DataFormats.FileDrop) || dea.Data.GetDataPresent(typeof(Metafile)) || dea.Data.GetDataPresent(typeof(Bitmap))) {
           if ((dea.AllowedEffect & DragDropEffects.Move) != 0)
               dea.Effect = DragDropEffects.Move;
           if (((dea.AllowedEffect & DragDropEffects.Copy) != 0) && ((dea.KeyState & 0x08) != 0))    // Ctrl key
               dea.Effect = DragDropEffects.Copy;
       }
   }
   protected override void OnDragDrop(DragEventArgs dea) {
       if (dea.Data.GetDataPresent(DataFormats.FileDrop)) {
           string[] astr = (string[])dea.Data.GetData(DataFormats.FileDrop);
           image = Image.FromFile(astr[0]);
           Invalidate();
       } else {
           if (dea.Data.GetDataPresent(typeof(Metafile)))
               image = (Image)dea.Data.GetData(typeof(Metafile));
           else if (dea.Data.GetDataPresent(typeof(Bitmap)))
               image = (Image)dea.Data.GetData(typeof(Bitmap));
           bIsTarget = true;
           Invalidate();
       }
   }
   protected override void OnMouseDown(MouseEventArgs mea) {
       if (image != null) {
           bIsTarget = false;
           DragDropEffects dde = DoDragDrop(image,DragDropEffects.Copy | DragDropEffects.Move);
           if (dde == DragDropEffects.Move && !bIsTarget)
               image = null;
       }
   }

}

 </source>

Form.OnInputLanguageChanged

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class InternationalText : System.Windows.Forms.Form {

   internal System.Windows.Forms.Label lblInternationalText;
   internal System.Windows.Forms.Label lblCharCode;
   private System.Windows.Forms.TextBox textBox1;
   public InternationalText() {
       this.lblInternationalText = new System.Windows.Forms.Label();
       this.lblCharCode = new System.Windows.Forms.Label();
       this.textBox1 = new System.Windows.Forms.TextBox();
       this.SuspendLayout();
       this.lblInternationalText.Location = new System.Drawing.Point(8, 64);
       this.lblInternationalText.Size = new System.Drawing.Size(288, 23);
       this.lblCharCode.Location = new System.Drawing.Point(8, 96);
       this.lblCharCode.Size = new System.Drawing.Size(88, 23);
       this.textBox1.Location = new System.Drawing.Point(8, 24);
       this.textBox1.Size = new System.Drawing.Size(288, 20);
       this.textBox1.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
       this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
       this.ClientSize = new System.Drawing.Size(304, 134);
       this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                     this.textBox1,
                                                                     this.lblCharCode,
                                                                     this.lblInternationalText});
       this.MaximizeBox = false;
       this.ResumeLayout(false);
   }
   [STAThread]
   static void Main() {
       Application.Run(new InternationalText());
   }
   protected override void OnInputLanguageChanged(InputLanguageChangedEventArgs e) {
       MessageBox.Show(e.InputLanguage.Culture.Name);
   }
   protected override void OnInputLanguageChanging(InputLanguageChangingEventArgs e) {
       MessageBox.Show(e.InputLanguage.Culture.Name);
   }
   private void textBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) {
       lblInternationalText.Text += e.KeyChar.ToString();
       lblCharCode.Text = ((int)e.KeyChar).ToString();
   }

}

 </source>

Form.OnKeyDown

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class ExitOnX: Form {

    public static void Main()
    {
         Application.Run(new ExitOnX());
    }
    public ExitOnX()
    {
         Text = "Exit on X";
    }
    protected override void OnKeyDown(KeyEventArgs kea)
    {
         if (kea.KeyCode == Keys.X)
              Close();
    }

}

 </source>

Form.OnKeyPress

using System.Drawing; using System; using System.Windows.Forms; public class TryKey : Form {

 private char theKey = "d"; 
 public TryKey() {
   Size = new Size(300,200);
   BackColor = Color.White;
 }
 protected override void OnPaint(PaintEventArgs e) {
   Graphics g = e.Graphics;                                                                  
   g.DrawString(theKey.ToString(), new Font("Arial", 36, FontStyle.Bold), Brushes.Red, 100, 50);
   base.OnPaint(e); 
 }
 protected override void OnKeyDown(KeyEventArgs e){
   if (e.Control){
      Console.WriteLine("Control");
   }
   if (e.KeyCode == Keys.Right){
      Console.WriteLine("Right");
   }
   else if (e.KeyCode == Keys.Left){
      Console.WriteLine("Left");
   }
   Invalidate(); 
   base.OnKeyDown(e);  
 }
 protected override void OnKeyUp(KeyEventArgs e) { 
   Console.WriteLine("Key Up");
   base.OnKeyUp(e);
 }
 protected override void OnKeyPress(KeyPressEventArgs e) {
   if (char.IsLetterOrDigit(e.KeyChar)){
     theKey = e.KeyChar;
   }  
   Invalidate(); 
   base.OnKeyPress(e);
 }
 public static void Main() {
   Application.Run(new TryKey());
 }

}

 </source>

Form.OnMouseEnter

using System; using System.Drawing; using System.Windows.Forms;

class EnterLeave: Form {

    bool bInside = false;
  
    public static void Main()
    {
         Application.Run(new EnterLeave());
    }
    public EnterLeave()
    {
    }
    protected override void OnMouseEnter(EventArgs ea)
    {
         bInside = true;
         Invalidate();
    }
    protected override void OnMouseLeave(EventArgs ea)
    {
         bInside = false;
         Invalidate();
    }
    protected override void OnMouseHover(EventArgs ea)
    {
         Graphics grfx = CreateGraphics();
   
         grfx.Clear(Color.Red);
         System.Threading.Thread.Sleep(500);
         grfx.Clear(Color.Green);
         grfx.Dispose();
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         Graphics grfx = pea.Graphics;
  
         grfx.Clear(bInside ? Color.Green : BackColor);
    }

}

 </source>

Form.OnMouseHover

using System; using System.Drawing; using System.Windows.Forms;

class EnterLeave: Form {

    bool bInside = false;
  
    public static void Main()
    {
         Application.Run(new EnterLeave());
    }
    public EnterLeave()
    {
    }
    protected override void OnMouseEnter(EventArgs ea)
    {
         bInside = true;
         Invalidate();
    }
    protected override void OnMouseLeave(EventArgs ea)
    {
         bInside = false;
         Invalidate();
    }
    protected override void OnMouseHover(EventArgs ea)
    {
         Graphics grfx = CreateGraphics();
   
         grfx.Clear(Color.Red);
         System.Threading.Thread.Sleep(500);
         grfx.Clear(Color.Green);
         grfx.Dispose();
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         Graphics grfx = pea.Graphics;
  
         grfx.Clear(bInside ? Color.Green : BackColor);
    }

}

 </source>

Form.OnMouseLeave

using System; using System.Drawing; using System.Windows.Forms;

class EnterLeave: Form {

    bool bInside = false;
  
    public static void Main()
    {
         Application.Run(new EnterLeave());
    }
    public EnterLeave()
    {
    }
    protected override void OnMouseEnter(EventArgs ea)
    {
         bInside = true;
         Invalidate();
    }
    protected override void OnMouseLeave(EventArgs ea)
    {
         bInside = false;
         Invalidate();
    }
    protected override void OnMouseHover(EventArgs ea)
    {
         Graphics grfx = CreateGraphics();
   
         grfx.Clear(Color.Red);
         System.Threading.Thread.Sleep(500);
         grfx.Clear(Color.Green);
         grfx.Dispose();
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         Graphics grfx = pea.Graphics;
  
         grfx.Clear(bInside ? Color.Green : BackColor);
    }

}

 </source>

Form.OnMouseMove

using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormMouseMoveEvent : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormMouseMoveEvent()
 {
   this.MouseMove += new MouseEventHandler(OnMouseMove);
   InitializeComponent();
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );    
 }
 private void InitializeComponent()
 {
   this.ruponents = new System.ruponentModel.Container();
   this.Size = new System.Drawing.Size(300,300);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormMouseMoveEvent());
 }
 protected void OnMouseMove(object sender, MouseEventArgs e)
 {
   this.Text = "Current Pos: (" + e.X + ", " + e.Y + ")";
 }

}

 </source>

Form.OnMouseWheel

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class PoePoem: Form {

    public static void Main()
    {
         if (!SystemInformation.MouseWheelPresent)
         {
              Console.WriteLine("Program needs a mouse with a mouse wheel!");
              return;
         }
         Application.Run(new PoePoem());
    }
    public PoePoem()
    {
    }
    protected override void OnMouseWheel(MouseEventArgs mea)
    {
         Console.WriteLine(mea.Delta);
  
    }

}

 </source>

Form.OnPaint(PaintEventArgs e)

<source lang="csharp"> using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {

   protected override void OnPaint(PaintEventArgs e) {
   Graphics g = e.Graphics;
   g.FillRectangle(Brushes.White, this.ClientRectangle);
   Font f = new Font("Times New Roman", 24);
   g.DrawString("Translation", f, Brushes.Black, 0, 0);
   g.TranslateTransform(150, 75);
   g.DrawString("Translation", f, Brushes.Black, 0, 0);
   }
   public static void Main() {
       Application.Run(new Form1());
   }

}

 </source>

Form.OnResize

<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class GraphicUnitDocument : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public GraphicUnitDocument()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(408, 273);
   this.Name = "GraphicUnitDocument";
   this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
   this.Text = "GDI+ Coordinate";
   this.Resize += new System.EventHandler(this.OnResize);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.OnPaint);
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new GraphicUnitDocument());
 }
 protected void OnPaint (object sender, System.Windows.Forms.PaintEventArgs e)
 {
     GraphicsUnit gUnit = GraphicsUnit.Pixel;
     Point renderingOrgPt = new Point(0,0);
   Graphics g = e.Graphics;
   g.SmoothingMode = SmoothingMode.AntiAlias;
   
   gUnit = GraphicsUnit.Document;
   
   g.PageUnit = gUnit;
   g.TranslateTransform(renderingOrgPt.X,renderingOrgPt.Y);
   g.DrawRectangle(new Pen(Color.Red, 1), 0, 0, 100, 100);
 
   this.Text = string.Format("PageUnit: {0}, Origin: {1}",  gUnit, renderingOrgPt.ToString());
 }
 protected void OnResize (object sender, System.EventArgs e)
 {
   Invalidate();
 }

}

 </source>

Form.Opacity

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormOpacitySetting : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormOpacitySetting()
 {
   InitializeComponent();
   Opacity = 0.5d;
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );
 }
 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 273);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormOpacitySetting());
 }
 private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   g.DrawString("String...", new Font("Times New Roman", 20), new SolidBrush(Color.Black), 40, 10);
 }

}

 </source>

Form.Paint

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class DrawLineDemo : System.Windows.Forms.Form {

 public DrawLineDemo()
 {
   this.BackColor = System.Drawing.Color.White;
   this.ClientSize = new System.Drawing.Size(400, 400);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.DrawLineDemo_Paint);
 }
 static void Main() 
 {
   Application.Run(new DrawLineDemo());
 }
 private void DrawLineDemo_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   Pen p = new Pen(Color.Black, 10);
   g.DrawLine(p, 25, 25, 375, 375);
 }

}

 </source>

Form.Region

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; using System.Drawing.Drawing2D; public class IrregularForm : Form {

   public IrregularForm()
   {
       this.cmdClose = new System.Windows.Forms.Button();
       this.SuspendLayout();
       this.cmdClose.Location = new System.Drawing.Point(94, 231);
       this.cmdClose.Size = new System.Drawing.Size(75, 23);
       this.cmdClose.Text = "Close";
       this.cmdClose.UseVisualStyleBackColor = true;
       this.cmdClose.Click += new System.EventHandler(this.cmdClose_Click);
       this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
       this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
       this.ClientSize = new System.Drawing.Size(295, 270);
       this.Controls.Add(this.cmdClose);
       this.Text = "Irregular Form";
       this.Load += new System.EventHandler(this.IrregularForm_Load);
       this.ResumeLayout(false);
   }
   private void IrregularForm_Load(object sender, EventArgs e)
   {
       GraphicsPath path = new GraphicsPath();
       Point[] pointsA = new Point[]{new Point(0, 0),new Point(40, 60), new Point(this.Width - 100, 10)};
       path.AddCurve(pointsA);
       Point[] pointsB = new Point[]{
               new Point(this.Width - 40, this.Height - 60), 
               new Point(this.Width, this.Height),
               new Point(10, this.Height)
           };
       path.AddCurve(pointsB);
       path.CloseAllFigures();
       this.Region = new Region(path);
   }
   private void cmdClose_Click(object sender, EventArgs e)
   {
       this.Close();
   }
   private System.Windows.Forms.Button cmdClose;
   
   [STAThread]
   static void Main()
   {
       Application.EnableVisualStyles();
       Application.SetCompatibleTextRenderingDefault(false);
       Application.Run(new IrregularForm());
   }

}

 </source>

Form.Resize

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class SetBackgroundForm : System.Windows.Forms.Form {

 private System.ruponentModel.Container components;
 public SetBackgroundForm()
 {
   InitializeComponent();
   BackColor = Color.LemonChiffon;
 }

 private void InitializeComponent()
 {
   this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
   this.ClientSize = new System.Drawing.Size(292, 273);
   this.Resize += new System.EventHandler(this.SetBackgroundForm_Resize);
   this.Paint += new System.Windows.Forms.PaintEventHandler(this.SetBackgroundForm_Paint);
   }
 [STAThread]
 static void Main() 
 {
   Application.Run(new SetBackgroundForm());
 }
 private void SetBackgroundForm_Resize(object sender, System.EventArgs e)
 {
   Invalidate();
   Console.WriteLine("Resize");
 }
 private void SetBackgroundForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
 {
   Graphics g = e.Graphics;
   g.DrawString("Text", 
     new Font("Times New Roman", 20), 
     new SolidBrush(Color.Black), 
     this.DisplayRectangle);    
 }

}

 </source>

Form.ResizeRedraw

<source lang="csharp"> using System; using System.Drawing; using System.Drawing.Printing; using System.Windows.Forms;

class PrintableForm: Form {

    public static void Main()
    {
         Application.Run(new PrintableForm());
    }
    public PrintableForm()
    {
         ResizeRedraw = true;
    }
    protected override void OnPaint(PaintEventArgs pea)
    {
         DoPage(pea.Graphics, ForeColor,ClientSize.Width, ClientSize.Height);
    }
    protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
    {
         Pen pen = new Pen(clr);
  
         grfx.DrawLine(pen, 0,      0, cx - 1, cy - 1);
         grfx.DrawLine(pen, cx - 1, 0, 0,      cy - 1);
    }

}

 </source>

Form.SetStyle

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class Form1 : System.Windows.Forms.Form{

  private System.ruponentModel.Container components = null;
  private Image theImage;
  public Form1() {
     InitializeComponent();
     SetStyle(ControlStyles.Opaque, true);
     theImage = new Bitmap("Winter.jpg");
  }
  protected override void OnPaint(PaintEventArgs e){
     Graphics g = e.Graphics;
     g.DrawImage(theImage, ClientRectangle);
  }

    private void InitializeComponent() {
       this.ruponents = new System.ruponentModel.Container();
       this.Size = new System.Drawing.Size(300,300);
       this.Text = "Form1";
    }
    static void Main() {
        Application.Run(new Form1());
    }

}

 </source>

Form.Show

using System.Windows.Forms;

class ShowForm {

    public static void Main()
    {
         Form form = new Form();
  
         form.Show();
    }

}

 </source>

Form.ShowInTaskbar

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class BetterDialog: Form {

    public static void Main()
    {
         Application.Run(new BetterDialog());
    }
    public BetterDialog()
    {
         Menu = new MainMenu();
         Menu.MenuItems.Add("&Dialog!", new EventHandler(MenuOnClick));
    }
    void MenuOnClick(object obj, EventArgs ea)
    {
         BetterDialogBox dlg = new BetterDialogBox();
         DialogResult    dr  = dlg.ShowDialog();
  
         Console.WriteLine(dr);
    }

} class BetterDialogBox: Form {

    public BetterDialogBox()
    {
         Text = "Better Dialog Box";
  
         FormBorderStyle = FormBorderStyle.FixedDialog;
         ControlBox      = false;
         MaximizeBox     = false;
         MinimizeBox     = false;
         ShowInTaskbar   = false;
         StartPosition   = FormStartPosition.Manual;
         Location        = ActiveForm.Location + 
                           SystemInformation.CaptionButtonSize +
                           SystemInformation.FrameBorderSize;
  
         Button btn = new Button();
         btn.Parent   = this;
         btn.Text     = "OK";
         btn.Location = new Point(50, 50);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.OK;
  
         AcceptButton = btn;
  
         btn = new Button();
         btn.Parent   = this;
         btn.Text     = "Cancel";
         btn.Location = new Point(50, 100);
         btn.Size     = new Size (10 * Font.Height, 2 * Font.Height);
         btn.DialogResult = DialogResult.Cancel;
  
         CancelButton = btn;
    }

}

 </source>

Form.Size

   using System;
   using System.Drawing;
   using System.Collections;
   using System.ruponentModel;
   using System.Windows.Forms;
   using System.Data;
   
   public class MyFirstWindow : System.Windows.Forms.Form
   {
       public MyFirstWindow()
       {
           InitializeComponent();
       }
       
       
       private void InitializeComponent()
       {
           this.Size = new System.Drawing.Size(300,300);
           this.Text = "MyFirstWindow";
       }
       
       public static void Main(string[] args) 
       {
           Application.Run(new MyFirstWindow());
       }
   }
  
   
   
   
 </source>

Form.SuspendLayout

using System; using System.Windows.Forms; class MainForm : Form {

   private Label label1;
   private TextBox textBox1;
   private Button button1;
   public MainForm()
   {
        this.label1 = new Label();
        this.textBox1 = new TextBox();
        this.button1 = new Button();
        this.SuspendLayout();
        this.label1.Location = new System.Drawing.Point(16, 36);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(128, 16);
        this.label1.TabIndex = 0;
        this.label1.Text = "Please enter your name:"; 
        this.textBox1.Location = new System.Drawing.Point(152, 32);
        this.textBox1.Name = "textBox1";
        this.textBox1.TabIndex = 1;
        this.textBox1.Text = "";
        this.button1.Location = new System.Drawing.Point(109, 80);
        this.button1.Name = "button1";
        this.button1.TabIndex = 2;
        this.button1.Text = "Enter";
        this.button1.Click += new System.EventHandler(this.button1_Click);
        this.ClientSize = new System.Drawing.Size(292, 126);
        this.Controls.Add(this.button1);
        this.Controls.Add(this.textBox1);
        this.Controls.Add(this.label1);
        this.Name = "form1";
        this.Text = "Visual C#";
        this.ResumeLayout(false);
    }
    private void button1_Click(object sender, System.EventArgs e)
    {
       System.Console.WriteLine("User entered: " + textBox1.Text);
       MessageBox.Show("Welcome, " + textBox1.Text, "Visual C#");
    }
    [STAThread]
    public static void Main()
    {
       Application.EnableVisualStyles();
       Application.Run(new MainForm());
    }

}

 </source>

Form.Text

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class Scribble: Form {

    bool  bTracking;
    Point ptLast;
  
    public static void Main()
    {
         Application.Run(new Scribble());
    }
    public Scribble()
    {
         Text = "Scribble";
    }
    protected override void OnMouseDown(MouseEventArgs mea)
    {
         if (mea.Button != MouseButtons.Left)
              return;
         ptLast = new Point(mea.X, mea.Y);
         bTracking = true;
    }
    protected override void OnMouseMove(MouseEventArgs mea)
    {
         if (!bTracking)
              return;
         Point ptNew = new Point(mea.X, mea.Y);
         Graphics grfx = CreateGraphics();
         grfx.DrawLine(new Pen(ForeColor), ptLast, ptNew);
         grfx.Dispose();
         ptLast = ptNew;
    }
    protected override void OnMouseUp(MouseEventArgs mea)
    {
         bTracking = false;
    }

}

 </source>

Form.Top

<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormBoundsSetting : System.Windows.Forms.Form {

 private System.ruponentModel.Container components = null;
 public FormBoundsSetting()
 {
   Top = 100;
   Left = 75;
   Height = 100;
   Width = 500;
   MessageBox.Show(Bounds.ToString(), "Current rect");
   InitializeComponent();
 }
 protected override void Dispose( bool disposing )
 {
   if( disposing )
   {
     if (components != null) 
     {
       components.Dispose();
     }
   }
   base.Dispose( disposing );    
 }
 private void InitializeComponent()
 {
   this.ruponents = new System.ruponentModel.Container();
   this.Size = new System.Drawing.Size(300,300);
   this.Text = "Form1";
 }
 [STAThread]
 static void Main() 
 {
   Application.Run(new FormBoundsSetting());
 }

}

 </source>

Form.TransparencyKey

<source lang="csharp"> using System; using System.Collections.Generic; using System.ruponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; public class Form1 : Form {

 private System.Windows.Forms.PictureBox PictureBox4;
 private System.Windows.Forms.PictureBox PictureBox2;
 private System.Windows.Forms.PictureBox PictureBox1;
 private System.Windows.Forms.PictureBox PictureBox3;
 public Form1() {
       InitializeComponent();
 }
 private void InitializeComponent()
 {
   this.PictureBox4 = new System.Windows.Forms.PictureBox();
   this.PictureBox2 = new System.Windows.Forms.PictureBox();
   this.PictureBox1 = new System.Windows.Forms.PictureBox();
   this.PictureBox3 = new System.Windows.Forms.PictureBox();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox4)).BeginInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox2)).BeginInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox1)).BeginInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox3)).BeginInit();
   this.SuspendLayout();
   // 
   // PictureBox4
   // 
   this.PictureBox4.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(128)))));
   this.PictureBox4.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
   this.PictureBox4.Location = new System.Drawing.Point(156, 141);
   this.PictureBox4.Name = "PictureBox4";
   this.PictureBox4.Size = new System.Drawing.Size(76, 76);
   this.PictureBox4.TabIndex = 14;
   this.PictureBox4.TabStop = false;
   // 
   // PictureBox2
   // 
   this.PictureBox2.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(128)))));
   this.PictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
   this.PictureBox2.Location = new System.Drawing.Point(60, 141);
   this.PictureBox2.Name = "PictureBox2";
   this.PictureBox2.Size = new System.Drawing.Size(76, 76);
   this.PictureBox2.TabIndex = 13;
   this.PictureBox2.TabStop = false;
   // 
   // PictureBox1
   // 
   this.PictureBox1.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(128)))));
   this.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
   this.PictureBox1.Location = new System.Drawing.Point(156, 49);
   this.PictureBox1.Name = "PictureBox1";
   this.PictureBox1.Size = new System.Drawing.Size(76, 76);
   this.PictureBox1.TabIndex = 12;
   this.PictureBox1.TabStop = false;
   // 
   // PictureBox3
   // 
   this.PictureBox3.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(128)))));
   this.PictureBox3.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
   this.PictureBox3.Location = new System.Drawing.Point(60, 49);
   this.PictureBox3.Name = "PictureBox3";
   this.PictureBox3.Size = new System.Drawing.Size(76, 76);
   this.PictureBox3.TabIndex = 11;
   this.PictureBox3.TabStop = false;
   // 
   // Holes
   // 
   this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
   this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
   this.ClientSize = new System.Drawing.Size(292, 266);
   this.Controls.Add(this.PictureBox4);
   this.Controls.Add(this.PictureBox2);
   this.Controls.Add(this.PictureBox1);
   this.Controls.Add(this.PictureBox3);
   this.Name = "Holes";
   this.Text = "Holes";
   this.TransparencyKey = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(128)))));
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox4)).EndInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox2)).EndInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox1)).EndInit();
   ((System.ruponentModel.ISupportInitialize)(this.PictureBox3)).EndInit();
   this.ResumeLayout(false);
 }
 [STAThread]
 static void Main()
 {
   Application.EnableVisualStyles();
   Application.Run(new Form1());
 }

}

 </source>

Form.Visible

using System.Windows.Forms;

class RunFormBadly {

    public static void Main()
    {
         Form form = new Form();
  
         form.Text = "Not a Good Idea...";
         form.Visible = true;
  
         Application.Run();
    }

}

 </source>

Form.Width

using System.Drawing; using System.Windows.Forms;

class FormProperties {

    public static void Main()
    {
         Form form = new Form();
  
         form.Width          *= 2;
  
         Application.Run(form);
    }

}

 </source>

new Form()

<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms;

class InstantiateHelloWorld {

    public static void Main()
    {
         Form form   = new Form();
         form.Text   = "Instantiate " + form.Text;
         form.Paint += new PaintEventHandler(MyPaintHandler);
  
         Application.Run(form);
    }
    static void MyPaintHandler(object objSender, PaintEventArgs pea)
    {
         Form     form = (Form)objSender;
         Graphics graphics = pea.Graphics;
  
         graphics.DrawString("Hello from InstantiateHelloWorld!", 
                         form.Font, Brushes.Black, 0, 100);
    }

}

 </source>

Csharp/C Sharp by API/System.Windows.Forms/Form

Содержание

extends Form

Form.AcceptButton

Form.Activated

Form.ActiveForm.Location

Form.AddOwnedForm

Form.AutoScaleBaseSize

Form.AutoScroll

Form.AutoScrollMinSize

Form.BackColor

Form.CancelButton

Form.CenterToScreen()

Form.ClientRectangle

Form.ClientSize

Form.Closed

Form.Closing

Form.ContextMenu

Form.ControlBox

Form.Controls

Form.Cursor

Form.DesktopBounds

Form.DialogResult

Form.DisplayRectangle

Form.Dispose

Form.ForeColor

Form.FormBorderStyle

Form.GotFocus

Form.Height

Form.Hide()

Form.Invalidate

Form.IsMdiContainer

Form.KeyPress

Form.KeyPreview

Form.KeyUp

Form.Load

Form.Location

Form.MaximizeBox

Form.MaximumSize

Form.MdiParent

Form.Menu

Form.MenuComplete

Form.MinimizeBox

Form.MinimumSize

Form.MouseDown

Form.MouseLeave(All other events)

Form.MouseUp

Form.OnDragDrop

Form.OnDragOver

Form.OnInputLanguageChanged

Form.OnKeyDown

Form.OnKeyPress

Form.OnMouseEnter

Form.OnMouseHover

Form.OnMouseLeave

Form.OnMouseMove

Form.OnMouseWheel

Form.OnPaint(PaintEventArgs e)

Form.OnResize

Form.Opacity

Form.Paint

Form.Region

Form.Resize

Form.ResizeRedraw

Form.SetStyle

Form.Show

Form.ShowInTaskbar

Form.Size

Form.SuspendLayout

Form.Text

Form.Top

Form.TransparencyKey

Form.Visible

Form.Width

new Form()

Навигация

Поиск