VB.NET MenuItem.Checked属性代码示例

' The following event handler would be connected to three menu items.
Private Sub MyMenuClick(sender As Object, e As EventArgs)
    ' Determine if clicked menu item is the Blue menu item.
    If sender Is menuItemBlue Then
        ' Set the checkmark for the menuItemBlue menu item.
        menuItemBlue.Checked = True
        ' Uncheck the menuItemRed and menuItemGreen menu items.
        menuItemRed.Checked = False
        menuItemGreen.Checked = False
        ' Set the color of the text in the TextBox control to Blue.
        textBox1.ForeColor = Color.Blue
    Else
        If sender Is menuItemRed Then
            ' Set the checkmark for the menuItemRed menu item.
            menuItemRed.Checked = True
            ' Uncheck the menuItemBlue and menuItemGreen menu items.
            menuItemBlue.Checked = False
            menuItemGreen.Checked = False
            ' Set the color of the text in the TextBox control to Red.
            textBox1.ForeColor = Color.Red
        Else
            ' Set the checkmark for the menuItemGreen.
            menuItemGreen.Checked = True
            ' Uncheck the menuItemRed and menuItemBlue menu items.
            menuItemBlue.Checked = False
            menuItemRed.Checked = False
            ' Set the color of the text in the TextBox control to Blue.
            textBox1.ForeColor = Color.Green
        End If
    End If
End Sub

' 导入命名空间
Imports System.Windows.Forms

public class DynamicMenu
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

Public Class Form1
    Inherits System.Windows.Forms.Form

    Public Sub New()
        MyBase.New()

        InitializeComponent()
    End Sub

    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    Private components As System.ComponentModel.IContainer

    Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
    Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem3 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem4 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem5 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem6 As System.Windows.Forms.MenuItem
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.MainMenu1 = New System.Windows.Forms.MainMenu
        Me.MenuItem1 = New System.Windows.Forms.MenuItem
        Me.MenuItem2 = New System.Windows.Forms.MenuItem
        Me.MenuItem3 = New System.Windows.Forms.MenuItem
        Me.MenuItem4 = New System.Windows.Forms.MenuItem
        Me.MenuItem5 = New System.Windows.Forms.MenuItem
        Me.MenuItem6 = New System.Windows.Forms.MenuItem
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem3})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem2})
        Me.MenuItem1.Text = "File"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.Text = "Open"
        '
        'MenuItem3
        '
        Me.MenuItem3.Index = 1
        Me.MenuItem3.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem4, Me.MenuItem5, Me.MenuItem6})
        Me.MenuItem3.Text = "Edit"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 0
        Me.MenuItem4.Text = "Cut"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 1
        Me.MenuItem5.Text = "Copy"
        '
        'MenuItem6
        '
        Me.MenuItem6.Index = 2
        Me.MenuItem6.Text = "Paste"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(200, 8)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 3
        Me.Button1.Text = "Select"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(200, 48)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.TabIndex = 4
        Me.Button2.Text = "Disable"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(200, 88)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(72, 24)
        Me.Button3.TabIndex = 5
        Me.Button3.Text = "RadioButton"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(200, 136)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(72, 24)
        Me.Button4.TabIndex = 6
        Me.Button4.Text = "Hide"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(328, 225)
        Me.Controls.Add(Me.Button4)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Menu = Me.MainMenu1
        Me.ResumeLayout(False)

    End Sub

    Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        MenuItem4.RadioCheck = False
        MenuItem5.RadioCheck = False
        MenuItem6.RadioCheck = False
        MenuItem6.Checked = MenuItem4.Checked
        MenuItem4.Checked = Not MenuItem4.Checked
        MenuItem5.Checked = Not MenuItem5.Checked
        MenuItem6.Checked = Not MenuItem6.Checked
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        MenuItem4.RadioCheck = False
        MenuItem5.RadioCheck = False
        MenuItem6.RadioCheck = False
        MenuItem6.Checked = MenuItem4.Checked
        MenuItem4.Enabled = Not MenuItem4.Enabled
        MenuItem5.Enabled = Not MenuItem5.Enabled
        MenuItem6.Enabled = Not MenuItem6.Enabled
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        MenuItem4.Checked = False
        MenuItem5.Checked = False
        MenuItem6.Checked = True
        MenuItem6.RadioCheck = True

    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        MenuItem6.Visible = Not MenuItem6.Visible
    End Sub
End Class