Control.ContextMenuChanged Händelse

Definition

Namnområde:
System.Windows.Forms
Sammansättning:
System.Windows.Forms.dll
Källa:
Control.cs
Källa:
Control.cs

Varning

ContextMenu is provided for binary compatibility with .NET Framework and is not intended to be used directly from your code. Use ContextMenuStrip instead.

Inträffar när värdet för ContextMenu egenskapen ändras.

public:
 event EventHandler ^ ContextMenuChanged;
public event EventHandler ContextMenuChanged;
[System.ComponentModel.Browsable(false)]
public event EventHandler ContextMenuChanged;
[System.ComponentModel.Browsable(false)]
[System.Obsolete("`ContextMenu` is provided for binary compatibility with .NET Framework and is not intended to be used directly from your code. Use `ContextMenuStrip` instead.", false, DiagnosticId="WFDEV006", UrlFormat="https://aka.ms/winforms-warnings/{0}")]
public event EventHandler ContextMenuChanged;
member this.ContextMenuChanged : EventHandler 
[<System.ComponentModel.Browsable(false)>]
member this.ContextMenuChanged : EventHandler 
[<System.ComponentModel.Browsable(false)>]
[<System.Obsolete("`ContextMenu` is provided for binary compatibility with .NET Framework and is not intended to be used directly from your code. Use `ContextMenuStrip` instead.", false, DiagnosticId="WFDEV006", UrlFormat="https://aka.ms/winforms-warnings/{0}")>]
member this.ContextMenuChanged : EventHandler 
Public Custom Event ContextMenuChanged As EventHandler

Händelsetyp

EventHandler
Attribut
BrowsableAttribute ObsoleteAttribute

Exempel

I följande kodexempel visas ett meddelande när en ändring sker på snabbmenyn.

private:
   void AddContextMenuChangedHandler()
   {
      this->myTextBox->ContextMenuChanged += gcnew EventHandler( this, &MyForm::TextBox_ContextMenuChanged );
   }

   void TextBox_ContextMenuChanged( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      MessageBox::Show( L"Shortcut menu of TextBox is changed." );
   }

private void AddContextMenuChangedHandler()
{
   this.myTextBox.ContextMenuChanged += new EventHandler(TextBox_ContextMenuChanged);
}

private void TextBox_ContextMenuChanged(object sender, EventArgs e)
{
   MessageBox.Show("Shortcut menu of TextBox is changed.");
}

Private Sub AddContextMenuChangedHandler()
   AddHandler Me.myTextBox.ContextMenuChanged, AddressOf TextBox_ContextMenuChanged
End Sub

Private Sub TextBox_ContextMenuChanged(sender As Object, e As EventArgs)
   MessageBox.Show("Shortcut menu of TextBox is changed.")
End Sub

Kommentarer

Den här händelsen utlöses om egenskapen ContextMenu ändras genom antingen en programmässig ändring eller användarinteraktion.

Mer information om hur du hanterar händelser finns i Hantera och höja händelser.

Gäller för

Se även