本文整理汇总了VB.NET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:VB.NET ToolStripDropDownItem类的具体用法?VB.NET ToolStripDropDownItem怎么用?VB.NET 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。
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VB.NET代码示例。
示例1: Form1
' 导入命名空间
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Drawing
Imports System.Windows.Forms
Public Class Form1
Inherits Form
Private toolStrip1 As ToolStrip
Private statusStrip1 As StatusStrip
Private toolStripStatusLabel1 As ToolStripStatusLabel
Private contextMenuStrip1 As ContextMenuStrip
Private menuItem1ToolStripMenuItem As ToolStripMenuItem
Private menuItem2ToolStripMenuItem As ToolStripMenuItem
Private subItemToolStripMenuItem As ToolStripMenuItem
Private subItem2ToolStripMenuItem As ToolStripMenuItem
Private WithEvents showButton As Button
Private WithEvents hideButton As Button
Private components As System.ComponentModel.IContainer = Nothing
Public Sub New()
InitializeComponent()
Me.InitializeToolStripDropDownItems()
End Sub
' This utility method creates and initializes three
' ToolStripDropDownItem controls and adds them
' to the form's ToolStrip control.
Private Sub InitializeToolStripDropDownItems()
Dim b As New ToolStripDropDownButton("DropDownButton")
b.DropDown = Me.contextMenuStrip1
AddHandler b.DropDownClosed, AddressOf toolStripDropDownItem_DropDownClosed
AddHandler b.DropDownItemClicked, AddressOf toolStripDropDownItem_DropDownItemClicked
AddHandler b.DropDownOpened, AddressOf toolStripDropDownItem_DropDownOpened
Dim m As New ToolStripMenuItem("MenuItem")
m.DropDown = Me.contextMenuStrip1
AddHandler m.DropDownClosed, AddressOf toolStripDropDownItem_DropDownClosed
AddHandler m.DropDownItemClicked, AddressOf toolStripDropDownItem_DropDownItemClicked
AddHandler m.DropDownOpened, AddressOf toolStripDropDownItem_DropDownOpened
Dim sb As New ToolStripSplitButton("SplitButton")
sb.DropDown = Me.contextMenuStrip1
AddHandler sb.DropDownClosed, AddressOf toolStripDropDownItem_DropDownClosed
AddHandler sb.DropDownItemClicked, AddressOf toolStripDropDownItem_DropDownItemClicked
AddHandler sb.DropDownOpened, AddressOf toolStripDropDownItem_DropDownOpened
Me.toolStrip1.Items.AddRange(New ToolStripItem() {b, m, sb})
End Sub
' 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.
Private Sub toolStripDropDownItem_DropDownOpened(ByVal sender As Object, ByVal e As EventArgs)
Dim item As ToolStripDropDownItem = CType(sender, ToolStripDropDownItem)
Dim msg As String = String.Format("Item opened: {0}", item.Text)
Me.toolStripStatusLabel1.Text = msg
End Sub
' 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.
Private Sub toolStripDropDownItem_DropDownItemClicked( _
ByVal sender As Object, _
ByVal e As ToolStripItemClickedEventArgs)
Dim msg As String = String.Format("Item clicked: {0}", e.ClickedItem.Text)
Me.toolStripStatusLabel1.Text = msg
End Sub
' 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.
Private Sub toolStripDropDownItem_DropDownClosed(ByVal sender As Object, ByVal e As EventArgs)
Dim item As ToolStripDropDownItem = CType(sender, ToolStripDropDownItem)
Dim msg As String = String.Format("Item closed: {0}", item.Text)
Me.toolStripStatusLabel1.Text = msg
End Sub
' This method shows the drop-down for the first item
' in the form's ToolStrip.
Private Sub showButton_Click( _
ByVal sender As Object, _
ByVal e As EventArgs) _
Handles showButton.Click
Dim item As ToolStripDropDownItem = CType(Me.toolStrip1.Items(0), ToolStripDropDownItem)
If item.HasDropDownItems Then
item.ShowDropDown()
End If
End Sub
' This method hides the drop-down for the first item
' in the form's ToolStrip.
Private Sub hideButton_Click( _
ByVal sender As Object, _
ByVal e As EventArgs) _
Handles hideButton.Click
Dim item As ToolStripDropDownItem = CType(Me.toolStrip1.Items(0), ToolStripDropDownItem)
item.HideDropDown()
End Sub
Protected Overrides Sub Dispose(disposing As Boolean)
If disposing AndAlso (components IsNot Nothing) Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
#Region "Windows Form Designer generated code"
Private Sub InitializeComponent()
Me.components = New System.ComponentModel.Container()
Me.toolStrip1 = New System.Windows.Forms.ToolStrip()
Me.statusStrip1 = New System.Windows.Forms.StatusStrip()
Me.toolStripStatusLabel1 = New System.Windows.Forms.ToolStripStatusLabel()
Me.contextMenuStrip1 = New System.Windows.Forms.ContextMenuStrip(Me.components)
Me.menuItem1ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
Me.menuItem2ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
Me.subItemToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
Me.subItem2ToolStripMenuItem = New System.Windows.Forms.ToolStripMenuItem()
Me.showButton = New System.Windows.Forms.Button()
Me.hideButton = New System.Windows.Forms.Button()
Me.statusStrip1.SuspendLayout()
Me.contextMenuStrip1.SuspendLayout()
Me.SuspendLayout()
'
' toolStrip1
'
Me.toolStrip1.Location = New System.Drawing.Point(0, 0)
Me.toolStrip1.Name = "toolStrip1"
Me.toolStrip1.Size = New System.Drawing.Size(292, 25)
Me.toolStrip1.TabIndex = 0
Me.toolStrip1.Text = "toolStrip1"
'
' statusStrip1
'
Me.statusStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.toolStripStatusLabel1})
Me.statusStrip1.Location = New System.Drawing.Point(0, 251)
Me.statusStrip1.Name = "statusStrip1"
Me.statusStrip1.Size = New System.Drawing.Size(292, 22)
Me.statusStrip1.TabIndex = 1
Me.statusStrip1.Text = "statusStrip1"
'
' toolStripStatusLabel1
'
Me.toolStripStatusLabel1.Name = "toolStripStatusLabel1"
Me.toolStripStatusLabel1.Size = New System.Drawing.Size(38, 17)
Me.toolStripStatusLabel1.Text = "Ready"
'
' contextMenuStrip1
'
Me.contextMenuStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.menuItem1ToolStripMenuItem, Me.menuItem2ToolStripMenuItem})
Me.contextMenuStrip1.Name = "contextMenuStrip1"
Me.contextMenuStrip1.RightToLeft = System.Windows.Forms.RightToLeft.No
Me.contextMenuStrip1.Size = New System.Drawing.Size(146, 48)
'
' menuItem1ToolStripMenuItem
'
Me.menuItem1ToolStripMenuItem.DropDownItems.AddRange(New System.Windows.Forms.ToolStripItem() {Me.subItemToolStripMenuItem})
Me.menuItem1ToolStripMenuItem.Name = "menuItem1ToolStripMenuItem"
Me.menuItem1ToolStripMenuItem.Size = New System.Drawing.Size(145, 22)
Me.menuItem1ToolStripMenuItem.Text = "Menu Item1"
'
' menuItem2ToolStripMenuItem
'
Me.menuItem2ToolStripMenuItem.DropDownItems.AddRange(New System.Windows.Forms.ToolStripItem() {Me.subItem2ToolStripMenuItem})
Me.menuItem2ToolStripMenuItem.Name = "menuItem2ToolStripMenuItem"
Me.menuItem2ToolStripMenuItem.Size = New System.Drawing.Size(145, 22)
Me.menuItem2ToolStripMenuItem.Text = "Menu Item 2"
'
' subItemToolStripMenuItem
'
Me.subItemToolStripMenuItem.Name = "subItemToolStripMenuItem"
Me.subItemToolStripMenuItem.Size = New System.Drawing.Size(152, 22)
Me.subItemToolStripMenuItem.Text = "Sub Item"
'
' subItem2ToolStripMenuItem
'
Me.subItem2ToolStripMenuItem.Name = "subItem2ToolStripMenuItem"
Me.subItem2ToolStripMenuItem.Size = New System.Drawing.Size(152, 22)
Me.subItem2ToolStripMenuItem.Text = "Sub Item2"
'
' showButton
'
Me.showButton.Location = New System.Drawing.Point(12, 180)
Me.showButton.Name = "showButton"
Me.showButton.Size = New System.Drawing.Size(75, 23)
Me.showButton.TabIndex = 2
Me.showButton.Text = "Show"
Me.showButton.UseVisualStyleBackColor = True
'
' hideButton
'
Me.hideButton.Location = New System.Drawing.Point(12, 209)
Me.hideButton.Name = "hideButton"
Me.hideButton.Size = New System.Drawing.Size(75, 23)
Me.hideButton.TabIndex = 3
Me.hideButton.Text = "Hide"
Me.hideButton.UseVisualStyleBackColor = True
'
' Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6F, 13F)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(statusStrip1)
Me.Controls.Add(hideButton)
Me.Controls.Add(toolStrip1)
Me.Controls.Add(showButton)
Me.Name = "Form1"
Me.Text = "Form1"
Me.statusStrip1.ResumeLayout(False)
Me.statusStrip1.PerformLayout()
Me.contextMenuStrip1.ResumeLayout(False)
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
#End Region
End Class
Public Class Program
' The main entry point for the application.
<STAThread()> _
Shared Sub Main()
Application.EnableVisualStyles()
Application.SetCompatibleTextRenderingDefault(False)
Application.Run(New Form1())
End Sub
End Class