本文整理汇总了C#中System.Windows.Forms.ToolStripDropDownItem类的典型用法代码示例。如果您正苦于以下问题：C# ToolStripDropDownItem类的具体用法？C# ToolStripDropDownItem怎么用？C# ToolStripDropDownItem使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
ToolStripDropDownItem类属于System.Windows.Forms命名空间，在下文中一共展示了ToolStripDropDownItem类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Form1
//引入命名空间
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
namespace ToolStripDropDownItemCS
{
public class Form1 : Form
{
private ToolStrip toolStrip1;
private StatusStrip statusStrip1;
private ToolStripStatusLabel toolStripStatusLabel1;
private ContextMenuStrip contextMenuStrip1;
private ToolStripMenuItem menuItem1ToolStripMenuItem;
private ToolStripMenuItem menuItem2ToolStripMenuItem;
private ToolStripMenuItem subItemToolStripMenuItem;
private ToolStripMenuItem subItem2ToolStripMenuItem;
private Button showButton;
private Button hideButton;
private System.ComponentModel.IContainer components = null;
public Form1()
{
InitializeComponent();
this.InitializeToolStripDropDownItems();
}
// This utility method creates and initializes three
// ToolStripDropDownItem controls and adds them
// to the form's ToolStrip control.
private void InitializeToolStripDropDownItems()
{
ToolStripDropDownButton b = new ToolStripDropDownButton("DropDownButton");
b.DropDown = this.contextMenuStrip1;
b.DropDownClosed += new EventHandler(toolStripDropDownItem_DropDownClosed);
b.DropDownItemClicked += new ToolStripItemClickedEventHandler(toolStripDropDownItem_DropDownItemClicked);
b.DropDownOpened += new EventHandler(toolStripDropDownItem_DropDownOpened);
ToolStripMenuItem m = new ToolStripMenuItem("MenuItem");
m.DropDown = this.contextMenuStrip1;
m.DropDownClosed += new EventHandler(toolStripDropDownItem_DropDownClosed);
m.DropDownItemClicked += new ToolStripItemClickedEventHandler(toolStripDropDownItem_DropDownItemClicked);
m.DropDownOpened += new EventHandler(toolStripDropDownItem_DropDownOpened);
ToolStripSplitButton sb = new ToolStripSplitButton("SplitButton");
sb.DropDown = this.contextMenuStrip1;
sb.DropDownClosed += new EventHandler(toolStripDropDownItem_DropDownClosed);
sb.DropDownItemClicked += new ToolStripItemClickedEventHandler(toolStripDropDownItem_DropDownItemClicked);
sb.DropDownOpened += new EventHandler(toolStripDropDownItem_DropDownOpened);
this.toolStrip1.Items.AddRange(new ToolStripItem[] { b, m, sb });
}
// This method handles the DropDownOpened event from a
// ToolStripDropDownItem. It displays the value of the
// item's Text property in the form's StatusStrip control.
void toolStripDropDownItem_DropDownOpened(object sender, EventArgs e)
{
ToolStripDropDownItem item = sender as ToolStripDropDownItem;
string msg = String.Format("Item opened: {0}", item.Text);
this.toolStripStatusLabel1.Text = msg;
}
// This method handles the DropDownItemClicked event from a
// ToolStripDropDownItem. It displays the value of the clicked
// item's Text property in the form's StatusStrip control.
void toolStripDropDownItem_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
string msg = String.Format("Item clicked: {0}", e.ClickedItem.Text);
this.toolStripStatusLabel1.Text = msg;
}
// This method handles the DropDownClosed event from a
// ToolStripDropDownItem. It displays the value of the
// item's Text property in the form's StatusStrip control.
void toolStripDropDownItem_DropDownClosed(object sender, EventArgs e)
{
ToolStripDropDownItem item = sender as ToolStripDropDownItem;
string msg = String.Format("Item closed: {0}", item.Text);
this.toolStripStatusLabel1.Text = msg;
}
// This method shows the drop-down for the first item
// in the form's ToolStrip.
private void showButton_Click(object sender, EventArgs e)
{
ToolStripDropDownItem item = this.toolStrip1.Items[0] as ToolStripDropDownItem;
if (item.HasDropDownItems)
{
item.ShowDropDown();
}
}
// This method hides the drop-down for the first item
// in the form's ToolStrip.
private void hideButton_Click(object sender, EventArgs e)
{
ToolStripDropDownItem item = this.toolStrip1.Items[0] as ToolStripDropDownItem;
item.HideDropDown();
}
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.toolStrip1 = new System.Windows.Forms.ToolStrip();
this.statusStrip1 = new System.Windows.Forms.StatusStrip();
this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
this.menuItem1ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.menuItem2ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.subItemToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.subItem2ToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
this.showButton = new System.Windows.Forms.Button();
this.hideButton = new System.Windows.Forms.Button();
this.statusStrip1.SuspendLayout();
this.contextMenuStrip1.SuspendLayout();
this.SuspendLayout();
//
// toolStrip1
//
this.toolStrip1.Location = new System.Drawing.Point(0, 0);
this.toolStrip1.Name = "toolStrip1";
this.toolStrip1.Size = new System.Drawing.Size(292, 25);
this.toolStrip1.TabIndex = 0;
this.toolStrip1.Text = "toolStrip1";
//
// statusStrip1
//
this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.toolStripStatusLabel1});
this.statusStrip1.Location = new System.Drawing.Point(0, 251);
this.statusStrip1.Name = "statusStrip1";
this.statusStrip1.Size = new System.Drawing.Size(292, 22);
this.statusStrip1.TabIndex = 1;
this.statusStrip1.Text = "statusStrip1";
//
// toolStripStatusLabel1
//
this.toolStripStatusLabel1.Name = "toolStripStatusLabel1";
this.toolStripStatusLabel1.Size = new System.Drawing.Size(38, 17);
this.toolStripStatusLabel1.Text = "Ready";
//
// contextMenuStrip1
//
this.contextMenuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.menuItem1ToolStripMenuItem,
this.menuItem2ToolStripMenuItem});
this.contextMenuStrip1.Name = "contextMenuStrip1";
this.contextMenuStrip1.RightToLeft = System.Windows.Forms.RightToLeft.No;
this.contextMenuStrip1.Size = new System.Drawing.Size(146, 48);
//
// menuItem1ToolStripMenuItem
//
this.menuItem1ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.subItemToolStripMenuItem});
this.menuItem1ToolStripMenuItem.Name = "menuItem1ToolStripMenuItem";
this.menuItem1ToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
this.menuItem1ToolStripMenuItem.Text = "Menu Item1";
//
// menuItem2ToolStripMenuItem
//
this.menuItem2ToolStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
this.subItem2ToolStripMenuItem});
this.menuItem2ToolStripMenuItem.Name = "menuItem2ToolStripMenuItem";
this.menuItem2ToolStripMenuItem.Size = new System.Drawing.Size(145, 22);
this.menuItem2ToolStripMenuItem.Text = "Menu Item 2";
//
// subItemToolStripMenuItem
//
this.subItemToolStripMenuItem.Name = "subItemToolStripMenuItem";
this.subItemToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.subItemToolStripMenuItem.Text = "Sub Item";
//
// subItem2ToolStripMenuItem
//
this.subItem2ToolStripMenuItem.Name = "subItem2ToolStripMenuItem";
this.subItem2ToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
this.subItem2ToolStripMenuItem.Text = "Sub Item2";
//
// showButton
//
this.showButton.Location = new System.Drawing.Point(12, 180);
this.showButton.Name = "showButton";
this.showButton.Size = new System.Drawing.Size(75, 23);
this.showButton.TabIndex = 2;
this.showButton.Text = "Show";
this.showButton.UseVisualStyleBackColor = true;
this.showButton.Click += new System.EventHandler(this.showButton_Click);
//
// hideButton
//
this.hideButton.Location = new System.Drawing.Point(12, 209);
this.hideButton.Name = "hideButton";
this.hideButton.Size = new System.Drawing.Size(75, 23);
this.hideButton.TabIndex = 3;
this.hideButton.Text = "Hide";
this.hideButton.UseVisualStyleBackColor = true;
this.hideButton.Click += new System.EventHandler(this.hideButton_Click);
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(292, 273);
this.Controls.Add(this.statusStrip1);
this.Controls.Add(this.hideButton);
this.Controls.Add(this.toolStrip1);
this.Controls.Add(this.showButton);
this.Name = "Form1";
this.Text = "Form1";
this.statusStrip1.ResumeLayout(false);
this.statusStrip1.PerformLayout();
this.contextMenuStrip1.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout();
}
#endregion
}
static class Program
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
}
}