MenuItem.Enabled : MenuItem « System.Windows.Forms « VB.Net by API

1. VB.Net by API
2. System.Windows.Forms
3. MenuItem

MenuItem.Enabled

  


Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

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

Public Class Form1
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    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 MenuItem7 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem8 As System.Windows.Forms.MenuItem
    Friend WithEvents MenuItem9 As System.Windows.Forms.MenuItem
    <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.MenuItem7 = New System.Windows.Forms.MenuItem
        Me.MenuItem8 = New System.Windows.Forms.MenuItem
        Me.MenuItem9 = 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.SuspendLayout()
        '
        'MainMenu1
        '
        Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1})
        '
        'MenuItem1
        '
        Me.MenuItem1.Index = 0
        Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem2, Me.MenuItem3, Me.MenuItem4, Me.MenuItem5, Me.MenuItem6})
        Me.MenuItem1.Text = "&File"
        '
        'MenuItem2
        '
        Me.MenuItem2.Index = 0
        Me.MenuItem2.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem7, Me.MenuItem8, Me.MenuItem9})
        Me.MenuItem2.Text = "Item 1"
        '
        'MenuItem7
        '
        Me.MenuItem7.Index = 0
        Me.MenuItem7.OwnerDraw = True
        Me.MenuItem7.Text = "Item 5"
        '
        'MenuItem8
        '
        Me.MenuItem8.Checked = True
        Me.MenuItem8.Index = 1
        Me.MenuItem8.Text = "Item 6"
        '
        'MenuItem9
        '
        Me.MenuItem9.Index = 2
        Me.MenuItem9.Text = "Item 7"
        '
        'MenuItem3
        '
        Me.MenuItem3.Index = 1
        Me.MenuItem3.Text = "Item 2"
        '
        'MenuItem4
        '
        Me.MenuItem4.Index = 2
        Me.MenuItem4.Text = "Item 3"
        '
        'MenuItem5
        '
        Me.MenuItem5.Index = 3
        Me.MenuItem5.Text = "-"
        '
        'MenuItem6
        '
        Me.MenuItem6.Index = 4
        Me.MenuItem6.Shortcut = System.Windows.Forms.Shortcut.CtrlX
        Me.MenuItem6.Text = "E&xit"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 273)
        Me.Menu = Me.MainMenu1
        Me.Name = "Form1"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub MenuItem6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem6.Click
        End
    End Sub

    Private Sub MenuItem9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem9.Click
        MsgBox("You clicked Item 7.")
    End Sub

    Private Sub MenuItem8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem8.Click
        MenuItem8.Checked = Not MenuItem8.Checked
    End Sub

    Private Sub MenuItem4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem4.Click
        MenuItem4.Visible = False
    End Sub

    Private Sub MenuItem3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click
        MenuItem3.Enabled = False
    End Sub

    Private Sub MenuItem7_MeasureItem(ByVal sender As Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles MenuItem7.MeasureItem
        e.ItemHeight = 15
        e.ItemWidth = 60
    End Sub

    Private Sub MenuItem7_DrawItem(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles MenuItem7.DrawItem
        Dim penRed As New Pen(Color.Red)
        e.Graphics.DrawEllipse(penRed, e.Bounds)
    End Sub
End Class

   
    
  

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