Csharp/CSharp Tutorial/GUI Windows Forms/Menu
Содержание
Add Menu to Form
<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class FormWithMenu : System.Windows.Forms.Form {
private MainMenu mainMenu;
private System.ruponentModel.Container components = null;
public FormWithMenu()
{
InitializeComponent();
mainMenu = new MainMenu();
MenuItem miFile = mainMenu.MenuItems.Add("&File");
miFile.MenuItems.Add(new MenuItem("E&xit", new EventHandler(this.FileExit_Clicked), Shortcut.CtrlX));
MenuItem miHelp = mainMenu.MenuItems.Add("Help");
miHelp.MenuItems.Add(new MenuItem("&About", new EventHandler(this.HelpAbout_Clicked),Shortcut.CtrlA));
this.Menu = mainMenu;
mainMenu.GetForm().BackColor = Color.Black;
}
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";
}
private void FileExit_Clicked(object sender, EventArgs e)
{
this.Close();
}
private void HelpAbout_Clicked(object sender, EventArgs e)
{
MessageBox.Show("Help");
}
[STAThread]
static void Main()
{
Application.Run(new FormWithMenu());
}
}</source>
<source lang="csharp">using System; using System.Drawing; using System.ruponentModel; using System.Windows.Forms; public class MenuSubMenu : System.Windows.Forms.Form {
public MenuSubMenu()
{
MainMenu menu = new MainMenu();
MenuItem filemenu = new MenuItem();
filemenu.Text = "&File";
menu.MenuItems.Add(filemenu);
MenuItem open = new MenuItem();
open.Text = "&Open";
filemenu.MenuItems.Add(open);
MenuItem print= new MenuItem();
print.Text = "Print...";
filemenu.MenuItems.Add(print);
MenuItem temp= new MenuItem();
temp.Text = "Pre&view";
print.MenuItems.Add(temp);
temp= new MenuItem();
temp.Text = "To &File";
print.MenuItems.Add(temp);
MenuItem exit= new MenuItem();
exit.Text = "E&xit";
filemenu.MenuItems.Add(exit);
this.Menu = menu;
ContextMenu cmenu = new ContextMenu();
cmenu.MenuItems.Add(new MenuItem("&First"));
cmenu.MenuItems.Add(new MenuItem("&Second"));
cmenu.MenuItems.Add(new MenuItem("-"));
cmenu.MenuItems.Add(new MenuItem("&Third"));
this.ContextMenu=cmenu;
}
static void Main()
{
Application.Run(new MenuSubMenu());
}
}</source>
Context Menu Demo
<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>
Context Menu Using Add
<source lang="csharp">using System; using System.Drawing; using System.Windows.Forms;
class ContextMenuAdd: Form {
MenuItem miColor;
public static void Main()
{
Application.Run(new ContextMenuAdd());
}
public ContextMenuAdd()
{
Text = "Context Menu Using Add";
ContextMenu cm = new ContextMenu();
EventHandler eh = new EventHandler(MenuColorOnClick);
cm.MenuItems.Add("Black", eh);
cm.MenuItems.Add("Blue", eh);
cm.MenuItems.Add("Green", eh);
cm.MenuItems.Add("White", eh);
foreach (MenuItem mi in cm.MenuItems)
mi.RadioCheck = true;
miColor = cm.MenuItems[3];
miColor.Checked = true;
BackColor = Color.FromName(miColor.Text);
ContextMenu = cm;
}
void MenuColorOnClick(object obj, EventArgs ea)
{
miColor.Checked = false;
miColor = (MenuItem) obj;
miColor.Checked = true;
BackColor = Color.FromName(miColor.Text);
}
}</source>
Create a Menu without using the IDE
<source lang="csharp">using System; using System.Drawing; using System.ruponentModel; using System.Windows.Forms; public class MenuCreationManually : System.Windows.Forms.Form {
void ShowInfo(Object Sender,EventArgs e)
{
MenuItem item=(MenuItem)Sender;
switch(item.Text)
{
case "&Open":
Console.WriteLine("Open a file from disk");
break;
case "&Save":
Console.WriteLine("Save a file onto disk");
break;
case "E&xit":
Console.WriteLine("Exit MenuApp");
break;
}
}
public MenuCreationManually()
{
this.MaximizeBox = true;
this.FormBorderStyle = FormBorderStyle.Sizable;
MainMenu menu = new MainMenu();
MenuItem filemenu = new MenuItem();
filemenu.Text = "&File";
menu.MenuItems.Add(filemenu);
MenuItem open = new MenuItem();
open.Text = "&Open";
open.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(open);
MenuItem save= new MenuItem();
save.Text = "&Save";
save.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(save);
MenuItem exit= new MenuItem();
exit.Text = "E&xit";
exit.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(exit);
this.Menu = menu;
ContextMenu cmenu = new ContextMenu();
cmenu.MenuItems.Add(new MenuItem("&First"));
cmenu.MenuItems.Add(new MenuItem("&Second"));
cmenu.MenuItems.Add(new MenuItem("-"));
cmenu.MenuItems.Add(new MenuItem("&Third"));
this.ContextMenu=cmenu;
}
static void Main()
{
Application.Run(new MenuCreationManually());
}
}</source>
Menu RightToLeft
<source lang="csharp">using System; using System.Drawing; using System.ruponentModel; using System.Windows.Forms; public class MenuCreationManually : System.Windows.Forms.Form {
void ShowInfo(Object Sender,EventArgs e)
{
MenuItem item=(MenuItem)Sender;
switch(item.Text)
{
case "&Open":
Console.WriteLine("Open a file from disk");
break;
case "&Save":
Console.WriteLine("Save a file onto disk");
break;
case "E&xit":
Console.WriteLine("Exit MenuApp");
break;
}
}
public MenuCreationManually()
{
this.MaximizeBox = true;
this.FormBorderStyle = FormBorderStyle.Sizable;
MainMenu menu = new MainMenu();
menu.RightToLeft = RightToLeft.Yes;
MenuItem filemenu = new MenuItem();
filemenu.Text = "&File";
menu.MenuItems.Add(filemenu);
MenuItem open = new MenuItem();
open.Text = "&Open";
open.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(open);
MenuItem save= new MenuItem();
save.Text = "&Save";
save.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(save);
MenuItem exit= new MenuItem();
exit.Text = "E&xit";
exit.Select += new EventHandler(ShowInfo);
filemenu.MenuItems.Add(exit);
this.Menu = menu;
ContextMenu cmenu = new ContextMenu();
cmenu.MenuItems.Add(new MenuItem("&First"));
cmenu.MenuItems.Add(new MenuItem("&Second"));
cmenu.MenuItems.Add(new MenuItem("-"));
cmenu.MenuItems.Add(new MenuItem("&Third"));
this.ContextMenu=cmenu;
}
static void Main()
{
Application.Run(new MenuCreationManually());
}
}</source>
<source lang="csharp">using System; using System.Drawing; using System.Collections; using System.ruponentModel; using System.Windows.Forms; using System.Data; public class LabelSetTextMenuAction : System.Windows.Forms.Form {
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.MenuItem menuItem2;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.ContextMenu contextMenu1;
private System.Windows.Forms.MenuItem menuItem4;
private System.Windows.Forms.MenuItem menuItem5;
private System.ruponentModel.Container components = null;
public LabelSetTextMenuAction()
{
InitializeComponent();
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
private void InitializeComponent()
{
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.menuItem1 = new System.Windows.Forms.MenuItem();
this.menuItem2 = new System.Windows.Forms.MenuItem();
this.menuItem3 = new System.Windows.Forms.MenuItem();
this.label1 = new System.Windows.Forms.Label();
this.contextMenu1 = new System.Windows.Forms.ContextMenu();
this.menuItem4 = new System.Windows.Forms.MenuItem();
this.menuItem5 = new System.Windows.Forms.MenuItem();
this.SuspendLayout();
this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {this.menuItem1});
this.menuItem1.Index = 0;
this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem2,
this.menuItem3});
this.menuItem1.Text = "&Say";
this.menuItem2.Index = 0;
this.menuItem2.Shortcut = System.Windows.Forms.Shortcut.CtrlH;
this.menuItem2.Text = "&Hello";
this.menuItem2.Click += new System.EventHandler(this.menuItem2_Click);
this.menuItem3.Index = 1;
this.menuItem3.Shortcut = System.Windows.Forms.Shortcut.CtrlY;
this.menuItem3.Text = "Goodb&ye";
this.menuItem3.Click += new System.EventHandler(this.menuItem3_Click);
this.label1.ContextMenu = this.contextMenu1;
this.label1.Location = new System.Drawing.Point(96, 122);
this.label1.Name = "label1";
this.label1.TabIndex = 0;
this.label1.Text = "";
this.contextMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem4,
this.menuItem5});
this.menuItem4.Index = 0;
this.menuItem4.Text = "Say hello";
this.menuItem5.Index = 1;
this.menuItem5.Text = "Say goodbye";
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.label1});
this.Menu = this.mainMenu1;
this.Name = "LabelSetTextMenuAction";
this.Text = "Menu Example";
this.ResumeLayout(false);
}
#endregion
[STAThread]
static void Main()
{
Application.Run(new LabelSetTextMenuAction());
}
private void menuItem2_Click(object sender, System.EventArgs e)
{
label1.Text = "Hello!";
}
private void menuItem3_Click(object sender, System.EventArgs e)
{
label1.Text = "Goodbye!";
}
}</source>
