Csharp/C Sharp by API/System.Windows.Forms/Label — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
|
Текущая версия на 15:09, 26 мая 2010
Содержание
Label.Background
<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.Button learnMoreButton; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label1; public Form1() { InitializeComponent(); } private void InitializeComponent() { this.learnMoreButton = new System.Windows.Forms.Button(); this.label2 = new System.Windows.Forms.Label(); this.label1 = new System.Windows.Forms.Label(); this.SuspendLayout(); // // learnMoreButton // this.learnMoreButton.Font = new System.Drawing.Font( "Microsoft Sans Serif", 14F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ( ( byte ) ( 0 ) ) ); this.learnMoreButton.Location = new System.Drawing.Point( 17, 81 ); this.learnMoreButton.Name = "learnMoreButton"; this.learnMoreButton.Size = new System.Drawing.Size( 120, 59 ); this.learnMoreButton.TabIndex = 11; this.learnMoreButton.Text = "Learn More"; // // label2 // this.label2.BackColor = System.Drawing.Color.LightYellow; this.label2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.label2.Font = new System.Drawing.Font( "Microsoft Sans Serif", 11.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte ) ( 0 ) ) ); this.label2.ForeColor = System.Drawing.Color.MidnightBlue; this.label2.Location = new System.Drawing.Point( 17, 154 ); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size( 273, 25 ); this.label2.TabIndex = 10; this.label2.Text = "text"; this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; // // label1 // this.label1.BackColor = System.Drawing.Color.LightYellow; this.label1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.label1.Font = new System.Drawing.Font( "Microsoft Sans Serif", 20.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ( ( byte ) ( 0 ) ) ); this.label1.ForeColor = System.Drawing.Color.MidnightBlue; this.label1.Location = new System.Drawing.Point( 17, 17 ); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size( 273, 47 ); this.label1.TabIndex = 9; this.label1.Text = "test"; this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter; // // VisualInheritanceForm // this.AutoScaleDimensions = new System.Drawing.SizeF( 6F, 13F ); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size( 307, 201 ); this.Controls.Add( this.learnMoreButton ); this.Controls.Add( this.label2 ); this.Controls.Add( this.label1 ); this.Name = "VisualInheritanceForm"; this.Text = "Visual Inheritance"; this.ResumeLayout( false ); } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Label.Click
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class LabelWithGenericEvent : System.Windows.Forms.Form {
private System.Windows.Forms.Label lblTitle; public LabelWithGenericEvent() { InitializeComponent(); } private void InitializeComponent() { this.lblTitle = new System.Windows.Forms.Label(); this.SuspendLayout(); // // lblTitle // this.lblTitle.Location = new System.Drawing.Point(40, 24); this.lblTitle.Name = "lblTitle"; this.lblTitle.Size = new System.Drawing.Size(150, 25); this.lblTitle.TabIndex = 0; this.lblTitle.Text = "Events Demonstrator"; this.lblTitle.Click += new System.EventHandler(this.GenericEventHandler); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(242, 173); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblTitle}); this.ResumeLayout(false); } [STAThread] static void Main() { Application.Run(new LabelWithGenericEvent()); } private void GenericEventHandler(object sender, EventArgs e) { MessageBox.Show("Generic event handler","Event Demo"); }
}
</source>
Label.DataBindings
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; using System.Data.SqlClient;
public class Form1 : System.Windows.Forms.Form { private System.Windows.Forms.Label label1; private System.Windows.Forms.Label label2; private System.Data.DataSet dataSet1; private System.ruponentModel.Container components = null; public Form1(){ InitializeComponent(); } private void InitializeComponent() { this.label1 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.dataSet1 = new System.Data.DataSet(); ((System.ruponentModel.ISupportInitialize)(this.dataSet1)).BeginInit(); this.SuspendLayout(); this.label1.Location = new System.Drawing.Point(16, 8); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(72, 16); this.label1.TabIndex = 0; this.label1.Text = "label1"; this.label2.Location = new System.Drawing.Point(16, 40); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(72, 16); this.label2.TabIndex = 1; this.label2.Text = "label2"; this.dataSet1.DataSetName = "NewDataSet"; this.dataSet1.Locale = new System.Globalization.CultureInfo("en-GB"); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(128, 69); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.label2, this.label1}); this.Name = "Form1"; this.Text = "Form1"; this.Load += new System.EventHandler(this.Form1_Load); ((System.ruponentModel.ISupportInitialize)(this.dataSet1)).EndInit(); this.ResumeLayout(false); } static void Main() { Application.Run(new Form1()); } private void Form1_Load(object sender, System.EventArgs e) { string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI"; string SQL = @"select * from employee"; SqlConnection Conn = new SqlConnection(connString); SqlDataAdapter da = new SqlDataAdapter(SQL, Conn); da.Fill(dataSet1, "employee"); // Bind the Label"s Text property to the ProductID of the Products table label1.DataBindings.Add("Text", dataSet1, "employee.ID"); // Bind the second label"s Text property to the UnitPrice column label2.DataBindings.Add("Text", dataSet1, "employee.firstname"); } } </source>
Label.DoDragDrop
<source lang="csharp">
/* User Interfaces in C#: Windows Forms and Custom Controls by Matthew MacDonald Publisher: Apress ISBN: 1590590457
- /
using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms;
/// <summary> /// Summary description for ControlPalette. /// </summary> public class ControlPalette : System.Windows.Forms.Form { internal System.Windows.Forms.ImageList images; internal System.Windows.Forms.Label lblPictureThree; internal System.Windows.Forms.Label lblPictureTwo; internal System.Windows.Forms.Label lblPictureOne; private System.ruponentModel.IContainer components; public ControlPalette() { // // 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.ruponents = new System.ruponentModel.Container(); System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ControlPalette)); this.images = new System.Windows.Forms.ImageList(this.ruponents); this.lblPictureThree = new System.Windows.Forms.Label(); this.lblPictureTwo = new System.Windows.Forms.Label(); this.lblPictureOne = new System.Windows.Forms.Label(); this.SuspendLayout(); // // images // this.images.ColorDepth = System.Windows.Forms.ColorDepth.Depth8Bit; this.images.ImageSize = new System.Drawing.Size(16, 16); this.images.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("images.ImageStream"))); this.images.TransparentColor = System.Drawing.Color.Transparent; // // lblPictureThree // this.lblPictureThree.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblPictureThree.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureThree.Image"))); this.lblPictureThree.ImageIndex = 2; this.lblPictureThree.ImageList = this.images; this.lblPictureThree.Location = new System.Drawing.Point(8, 112); this.lblPictureThree.Name = "lblPictureThree"; this.lblPictureThree.Size = new System.Drawing.Size(56, 48); this.lblPictureThree.TabIndex = 3; this.lblPictureThree.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown); // // lblPictureTwo // this.lblPictureTwo.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblPictureTwo.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureTwo.Image"))); this.lblPictureTwo.ImageIndex = 1; this.lblPictureTwo.ImageList = this.images; this.lblPictureTwo.Location = new System.Drawing.Point(8, 60); this.lblPictureTwo.Name = "lblPictureTwo"; this.lblPictureTwo.Size = new System.Drawing.Size(56, 48); this.lblPictureTwo.TabIndex = 2; this.lblPictureTwo.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown); // // lblPictureOne // this.lblPictureOne.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblPictureOne.Image = ((System.Drawing.Bitmap)(resources.GetObject("lblPictureOne.Image"))); this.lblPictureOne.ImageIndex = 0; this.lblPictureOne.ImageList = this.images; this.lblPictureOne.Location = new System.Drawing.Point(8, 8); this.lblPictureOne.Name = "lblPictureOne"; this.lblPictureOne.Size = new System.Drawing.Size(56, 48); this.lblPictureOne.TabIndex = 1; this.lblPictureOne.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lbl_MouseDown); // // ControlPalette // this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(76, 174); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblPictureThree, this.lblPictureTwo, this.lblPictureOne}); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.SizableToolWindow; this.Name = "ControlPalette"; this.Text = "Pictures"; this.ResumeLayout(false); } #endregion private void lbl_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e) { Label lbl = (Label)sender; lbl.DoDragDrop(lbl.Image, DragDropEffects.Copy); } /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main() { Application.Run(new ControlPalette()); } } </source>
Label.Image
<source lang="csharp"> using System; using System.Drawing; using System.Windows.Forms; public class LabelImageAdding : Form {
Label lblEcho; TextBox txt; public LabelImageAdding() { Size = new Size(300,250); lblEcho = new Label(); lblEcho.Parent = this; lblEcho.Text = "test"; lblEcho.Location = new Point(0,0); lblEcho.AutoSize = true; lblEcho.BorderStyle = BorderStyle.Fixed3D; int yDelta = lblEcho.Height + 10; Image img = Image.FromFile("YourFile.bmp"); Label lblImage = new Label(); lblImage.Parent = this; lblImage.Location = new Point(250, 0); lblImage.Image = img; lblImage.Anchor = AnchorStyles.Top | AnchorStyles.Right; lblImage.Size = new Size(img.Width, img.Height); Label lblCaption = new Label(); lblCaption.Parent = this; lblCaption.Text = "&Enter Text Here:"; lblCaption.Size = new Size(lblCaption.PreferredWidth, lblCaption.PreferredHeight); lblCaption.Location = new Point(0, yDelta); lblCaption.BorderStyle = BorderStyle.FixedSingle; txt = new TextBox(); txt.Parent = this; txt.Size = new Size(100,23); txt.Location = new Point(lblCaption.Width + 5, yDelta); txt.TextChanged += new System.EventHandler(txt_TextChanged); } static void Main() { Application.Run(new LabelImageAdding()); } private void txt_TextChanged(object sender, EventArgs e) { lblEcho.Text = txt.Text; }
}
</source>
Label.ImageAlign
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms; using System.Collections; public class ImageLists : Form {
ImageList imgList; Label lbl; LinkLabel lnk; Button btn; public ImageLists() { Size = new Size(300,300); imgList = new ImageList(); Image img; String[] arFiles = {"1.ico","2.ico","3.ico"};
for (int i = 0; i < arFiles.Length; i++) { img = Image.FromFile(arFiles[i]); imgList.Images.Add(img); } imgList.ImageSize = new Size(32, 32);
lbl = new Label(); lbl.Parent = this; lbl.Text = "Label"; lbl.Location = new Point(0,0); lbl.Size = new Size(lbl.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lbl.BorderStyle = BorderStyle.Fixed3D; lbl.ImageList = imgList; lbl.ImageIndex = 0; lbl.ImageAlign = ContentAlignment.MiddleRight; int yDelta = lbl.Height + 10; lnk = new LinkLabel(); lnk.Parent = this; lnk.Text = "LinkLabel"; lnk.Size = new Size(lnk.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lnk.Location = new Point(0, yDelta); lnk.ImageList = imgList; lnk.ImageIndex = 0; lnk.ImageAlign = ContentAlignment.MiddleRight; btn = new Button(); btn.Parent = this; btn.ImageList = imgList; btn.ImageIndex = imgList.Images.Count - 1; btn.Location = new Point(0, 2 * yDelta); btn.Size = new Size(3 * imgList.ImageSize.Width, 2 * imgList.ImageSize.Height);
lbl.ImageIndex = 1; lnk.ImageIndex = 0; btn.ImageIndex = 2; } static void Main() { Application.Run(new ImageLists()); }
}
</source>
Label.ImageIndex
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms; using System.Collections; public class ImageLists : Form {
ImageList imgList; Label lbl; LinkLabel lnk; Button btn; public ImageLists() { Size = new Size(300,300); imgList = new ImageList(); Image img; String[] arFiles = {"1.ico","2.ico","3.ico"};
for (int i = 0; i < arFiles.Length; i++) { img = Image.FromFile(arFiles[i]); imgList.Images.Add(img); } imgList.ImageSize = new Size(32, 32);
lbl = new Label(); lbl.Parent = this; lbl.Text = "Label"; lbl.Location = new Point(0,0); lbl.Size = new Size(lbl.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lbl.BorderStyle = BorderStyle.Fixed3D; lbl.ImageList = imgList; lbl.ImageIndex = 0; lbl.ImageAlign = ContentAlignment.MiddleRight; int yDelta = lbl.Height + 10; lnk = new LinkLabel(); lnk.Parent = this; lnk.Text = "LinkLabel"; lnk.Size = new Size(lnk.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lnk.Location = new Point(0, yDelta); lnk.ImageList = imgList; lnk.ImageIndex = 0; lnk.ImageAlign = ContentAlignment.MiddleRight; btn = new Button(); btn.Parent = this; btn.ImageList = imgList; btn.ImageIndex = imgList.Images.Count - 1; btn.Location = new Point(0, 2 * yDelta); btn.Size = new Size(3 * imgList.ImageSize.Width, 2 * imgList.ImageSize.Height);
lbl.ImageIndex = 1; lnk.ImageIndex = 0; btn.ImageIndex = 2; } static void Main() { Application.Run(new ImageLists()); }
}
</source>
Label.ImageList
<source lang="csharp">
using System; using System.Drawing; using System.Windows.Forms; using System.Collections; public class ImageLists : Form {
ImageList imgList; Label lbl; LinkLabel lnk; Button btn; public ImageLists() { Size = new Size(300,300); imgList = new ImageList(); Image img; String[] arFiles = {"1.ico","2.ico","3.ico"};
for (int i = 0; i < arFiles.Length; i++) { img = Image.FromFile(arFiles[i]); imgList.Images.Add(img); } imgList.ImageSize = new Size(32, 32);
lbl = new Label(); lbl.Parent = this; lbl.Text = "Label"; lbl.Location = new Point(0,0); lbl.Size = new Size(lbl.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lbl.BorderStyle = BorderStyle.Fixed3D; lbl.ImageList = imgList; lbl.ImageIndex = 0; lbl.ImageAlign = ContentAlignment.MiddleRight; int yDelta = lbl.Height + 10; lnk = new LinkLabel(); lnk.Parent = this; lnk.Text = "LinkLabel"; lnk.Size = new Size(lnk.PreferredWidth + imgList.ImageSize.Width, imgList.ImageSize.Height + 10); lnk.Location = new Point(0, yDelta); lnk.ImageList = imgList; lnk.ImageIndex = 0; lnk.ImageAlign = ContentAlignment.MiddleRight; btn = new Button(); btn.Parent = this; btn.ImageList = imgList; btn.ImageIndex = imgList.Images.Count - 1; btn.Location = new Point(0, 2 * yDelta); btn.Size = new Size(3 * imgList.ImageSize.Width, 2 * imgList.ImageSize.Height);
lbl.ImageIndex = 1; lnk.ImageIndex = 0; btn.ImageIndex = 2; } static void Main() { Application.Run(new ImageLists()); }
}
</source>
Label.Localtion
<source lang="csharp"> 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>
Label.Margin
<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.GroupBox groupBox1; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Button cmdSetText; private System.Windows.Forms.Button cmdSetTextConstraint; public Form1() { InitializeComponent(); } private void InitializeComponent(){ this.groupBox1 = new System.Windows.Forms.GroupBox(); this.label1 = new System.Windows.Forms.Label(); this.textBox1 = new System.Windows.Forms.TextBox(); this.cmdSetText = new System.Windows.Forms.Button(); this.cmdSetTextConstraint = new System.Windows.Forms.Button(); this.groupBox1.SuspendLayout(); this.SuspendLayout(); // // groupBox1 // this.groupBox1.AutoSize = true; this.groupBox1.Controls.Add(this.label1); this.groupBox1.Location = new System.Drawing.Point(15, 133); this.groupBox1.Margin = new System.Windows.Forms.Padding(20); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(200, 100); this.groupBox1.TabIndex = 0; this.groupBox1.TabStop = false; this.groupBox1.Text = "groupBox1"; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(17, 25); this.label1.Margin = new System.Windows.Forms.Padding(5); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(35, 13); this.label1.TabIndex = 0; this.label1.Text = "label1"; // // textBox1 // this.textBox1.Location = new System.Drawing.Point(15, 12); this.textBox1.Multiline = true; this.textBox1.Name = "textBox1"; this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical; this.textBox1.Size = new System.Drawing.Size(200, 47); this.textBox1.TabIndex = 1; this.textBox1.Text = "The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the l" + "azy dog."; // // cmdSetText // this.cmdSetText.Location = new System.Drawing.Point(50, 65); this.cmdSetText.Name = "cmdSetText"; this.cmdSetText.Size = new System.Drawing.Size(165, 23); this.cmdSetText.TabIndex = 2; this.cmdSetText.Text = "Set Text"; this.cmdSetText.UseVisualStyleBackColor = true; this.cmdSetText.Click += new System.EventHandler(this.cmdSetText_Click); // // cmdSetTextConstraint // this.cmdSetTextConstraint.Location = new System.Drawing.Point(50, 91); this.cmdSetTextConstraint.Name = "cmdSetTextConstraint"; this.cmdSetTextConstraint.Size = new System.Drawing.Size(165, 23); this.cmdSetTextConstraint.TabIndex = 3; this.cmdSetTextConstraint.Text = "Constrain Label and Set Text"; this.cmdSetTextConstraint.UseVisualStyleBackColor = true; this.cmdSetTextConstraint.Click += new System.EventHandler(this.cmdSetTextConstraint_Click); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.AutoSize = true; this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink; this.ClientSize = new System.Drawing.Size(247, 336); this.Controls.Add(this.cmdSetTextConstraint); this.Controls.Add(this.cmdSetText); this.Controls.Add(this.textBox1); this.Controls.Add(this.groupBox1); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "Form1"; this.Text = "Form1"; this.groupBox1.ResumeLayout(false); this.groupBox1.PerformLayout(); this.ResumeLayout(false); this.PerformLayout(); } private void cmdSetText_Click(object sender, EventArgs e) { label1.MaximumSize = new Size(0,0); label1.Text = ""; label1.Text = textBox1.Text; } private void cmdSetTextConstraint_Click(object sender, EventArgs e) { label1.MaximumSize = new Size(200,0); label1.Text = textBox1.Text; } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Label.MouseDown
<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
{
internal System.Windows.Forms.Label lblDragger; public Form1() { this.lblDragger = new System.Windows.Forms.Label(); this.SuspendLayout(); this.lblDragger.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblDragger.Image = new Bitmap("winter.jpg"); this.lblDragger.Location = new System.Drawing.Point(110, 105); this.lblDragger.Name = "lblDragger"; this.lblDragger.Size = new System.Drawing.Size(72, 56); this.lblDragger.TabIndex = 2; this.lblDragger.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseUp); this.lblDragger.MouseMove += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseMove); this.lblDragger.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseDown); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblDragger}); this.Text = "Fake Drag And Drop"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.Run(new Form1()); }
private bool isDragging = false;
private int clickOffsetX, clickOffsetY;
private void lblDragger_MouseDown(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = true; clickOffsetX = e.X; clickOffsetY = e.Y; } private void lblDragger_MouseUp(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = false; } private void lblDragger_MouseMove(System.Object sender, System.Windows.Forms.MouseEventArgs e) { if (isDragging == true) { lblDragger.Left = e.X + lblDragger.Left - clickOffsetX; lblDragger.Top = e.Y + lblDragger.Top - clickOffsetY; } }
}
</source>
Label.MouseHover
<source lang="csharp"> using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class frmMouseButtons : System.Windows.Forms.Form {
private System.Windows.Forms.Label lblLeftClick; private System.Windows.Forms.Label lblRightClick; private System.Windows.Forms.Label lblMiddleClick; private System.Windows.Forms.Label lblHover; public frmMouseButtons() { this.lblLeftClick = new System.Windows.Forms.Label(); this.lblRightClick = new System.Windows.Forms.Label(); this.lblMiddleClick = new System.Windows.Forms.Label(); this.lblHover = new System.Windows.Forms.Label(); this.SuspendLayout(); this.lblLeftClick.Location = new System.Drawing.Point(8, 8); this.lblRightClick.Location = new System.Drawing.Point(8, 32); this.lblRightClick.Size = new System.Drawing.Size(100, 32); this.lblMiddleClick.Location = new System.Drawing.Point(8, 72); this.lblHover.Location = new System.Drawing.Point(8, 104); this.lblHover.MouseEnter += new System.EventHandler(this.lblHover_MouseEnter); this.lblHover.MouseHover += new System.EventHandler(this.lblHover_MouseHover); this.lblHover.MouseLeave += new System.EventHandler(this.lblHover_MouseLeave); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(184, 198); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblHover, this.lblMiddleClick, this.lblRightClick, this.lblLeftClick}); this.MaximizeBox = false; this.ResumeLayout(false); } protected override void OnMouseDown(MouseEventArgs e) { switch (e.Button) { case (MouseButtons.Left): lblLeftClick.Text = "Left Click"; break; case (MouseButtons.Middle): lblLeftClick.Text = "Middle Click"; break; case (MouseButtons.Right): lblLeftClick.Text = "Right Click"; break; case (MouseButtons.XButton1): lblLeftClick.Text = "XButton1 Click"; break; case (MouseButtons.XButton2): lblLeftClick.Text = "XButton2 Click"; break; } switch (e.Clicks) { case 1: lblMiddleClick.Text = "Single Click"; break; case 2: lblMiddleClick.Text = "Double Click!"; break; default: lblMiddleClick.Text = "Many clicks!"; break; } } protected override void OnMouseWheel(MouseEventArgs e) { switch (e.Delta) { case -360: lblRightClick.Text = "One Rotation Reverse"; break; case -720: lblRightClick.Text = "Two Rotations Reverse"; break; case 360: lblRightClick.Text = "One Rotation Forward"; break; case 720: lblRightClick.Text = "Two Rotations Forward"; break; default: lblRightClick.Text = "Rotation wasn"t full turn of wheel"; break; } }
protected void lblHover_MouseEnter(object sender, EventArgs e) { lblRightClick.Text = "One Rotation Forward"; lblHover.Text = "Entering label"; Cursor = Cursors.NoMove2D; } protected void lblHover_MouseHover(object sender, EventArgs e) { lblHover.Text = "Hovering over label"; Cursor = Cursors.Hand; System.Diagnostics.Debug.WriteLine("hover"); } protected void lblHover_MouseLeave(object sender, EventArgs e) { lblHover.Text = "Leaving label"; Cursor = Cursors.Default; } [STAThread] static void Main() { Application.Run(new frmMouseButtons()); }
}
</source>
Label.MouseMove
<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 {
internal System.Windows.Forms.Label lblDragger; public Form1() { this.lblDragger = new System.Windows.Forms.Label(); this.SuspendLayout(); this.lblDragger.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblDragger.Image = new Bitmap("winter.jpg"); this.lblDragger.Location = new System.Drawing.Point(110, 105); this.lblDragger.Name = "lblDragger"; this.lblDragger.Size = new System.Drawing.Size(72, 56); this.lblDragger.TabIndex = 2; this.lblDragger.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseUp); this.lblDragger.MouseMove += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseMove); this.lblDragger.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseDown); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblDragger}); this.Text = "Fake Drag And Drop"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.Run(new Form1()); }
private bool isDragging = false;
private int clickOffsetX, clickOffsetY;
private void lblDragger_MouseDown(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = true; clickOffsetX = e.X; clickOffsetY = e.Y; } private void lblDragger_MouseUp(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = false; } private void lblDragger_MouseMove(System.Object sender, System.Windows.Forms.MouseEventArgs e) { if (isDragging == true) { lblDragger.Left = e.X + lblDragger.Left - clickOffsetX; lblDragger.Top = e.Y + lblDragger.Top - clickOffsetY; } }
}
</source>
Label.MouseUp
<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 {
internal System.Windows.Forms.Label lblDragger; public Form1() { this.lblDragger = new System.Windows.Forms.Label(); this.SuspendLayout(); this.lblDragger.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D; this.lblDragger.Image = new Bitmap("winter.jpg"); this.lblDragger.Location = new System.Drawing.Point(110, 105); this.lblDragger.Name = "lblDragger"; this.lblDragger.Size = new System.Drawing.Size(72, 56); this.lblDragger.TabIndex = 2; this.lblDragger.MouseUp += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseUp); this.lblDragger.MouseMove += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseMove); this.lblDragger.MouseDown += new System.Windows.Forms.MouseEventHandler(this.lblDragger_MouseDown); this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 266); this.Controls.AddRange(new System.Windows.Forms.Control[] { this.lblDragger}); this.Text = "Fake Drag And Drop"; this.ResumeLayout(false); } [STAThread] static void Main() { Application.Run(new Form1()); }
private bool isDragging = false;
private int clickOffsetX, clickOffsetY;
private void lblDragger_MouseDown(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = true; clickOffsetX = e.X; clickOffsetY = e.Y; } private void lblDragger_MouseUp(System.Object sender, System.Windows.Forms.MouseEventArgs e) { isDragging = false; } private void lblDragger_MouseMove(System.Object sender, System.Windows.Forms.MouseEventArgs e) { if (isDragging == true) { lblDragger.Left = e.X + lblDragger.Left - clickOffsetX; lblDragger.Top = e.Y + lblDragger.Top - clickOffsetY; } }
}
</source>
Label.Size
<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.GroupBox groupBox1; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox textBox1; private System.Windows.Forms.Button cmdSetText; private System.Windows.Forms.Button cmdSetTextConstraint; public Form1() { InitializeComponent(); } private void InitializeComponent(){ this.groupBox1 = new System.Windows.Forms.GroupBox(); this.label1 = new System.Windows.Forms.Label(); this.textBox1 = new System.Windows.Forms.TextBox(); this.cmdSetText = new System.Windows.Forms.Button(); this.cmdSetTextConstraint = new System.Windows.Forms.Button(); this.groupBox1.SuspendLayout(); this.SuspendLayout(); // // groupBox1 // this.groupBox1.AutoSize = true; this.groupBox1.Controls.Add(this.label1); this.groupBox1.Location = new System.Drawing.Point(15, 133); this.groupBox1.Margin = new System.Windows.Forms.Padding(20); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(200, 100); this.groupBox1.TabIndex = 0; this.groupBox1.TabStop = false; this.groupBox1.Text = "groupBox1"; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(17, 25); this.label1.Margin = new System.Windows.Forms.Padding(5); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(35, 13); this.label1.TabIndex = 0; this.label1.Text = "label1"; // // textBox1 // this.textBox1.Location = new System.Drawing.Point(15, 12); this.textBox1.Multiline = true; this.textBox1.Name = "textBox1"; this.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical; this.textBox1.Size = new System.Drawing.Size(200, 47); this.textBox1.TabIndex = 1; this.textBox1.Text = "The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the l" + "azy dog."; // // cmdSetText // this.cmdSetText.Location = new System.Drawing.Point(50, 65); this.cmdSetText.Name = "cmdSetText"; this.cmdSetText.Size = new System.Drawing.Size(165, 23); this.cmdSetText.TabIndex = 2; this.cmdSetText.Text = "Set Text"; this.cmdSetText.UseVisualStyleBackColor = true; this.cmdSetText.Click += new System.EventHandler(this.cmdSetText_Click); // // cmdSetTextConstraint // this.cmdSetTextConstraint.Location = new System.Drawing.Point(50, 91); this.cmdSetTextConstraint.Name = "cmdSetTextConstraint"; this.cmdSetTextConstraint.Size = new System.Drawing.Size(165, 23); this.cmdSetTextConstraint.TabIndex = 3; this.cmdSetTextConstraint.Text = "Constrain Label and Set Text"; this.cmdSetTextConstraint.UseVisualStyleBackColor = true; this.cmdSetTextConstraint.Click += new System.EventHandler(this.cmdSetTextConstraint_Click); // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.AutoSize = true; this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink; this.ClientSize = new System.Drawing.Size(247, 336); this.Controls.Add(this.cmdSetTextConstraint); this.Controls.Add(this.cmdSetText); this.Controls.Add(this.textBox1); this.Controls.Add(this.groupBox1); this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0))); this.Name = "Form1"; this.Text = "Form1"; this.groupBox1.ResumeLayout(false); this.groupBox1.PerformLayout(); this.ResumeLayout(false); this.PerformLayout(); } private void cmdSetText_Click(object sender, EventArgs e) { label1.MaximumSize = new Size(0,0); label1.Text = ""; label1.Text = textBox1.Text; } private void cmdSetTextConstraint_Click(object sender, EventArgs e) { label1.MaximumSize = new Size(200,0); label1.Text = textBox1.Text; } [STAThread] static void Main() { Application.EnableVisualStyles(); Application.Run(new Form1()); }
}
</source>
Label.Text
<source lang="csharp"> 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.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>