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Control.ContextMenuChanged 事件

定義

發生於 ContextMenu 屬性的值變更時。

public:
 event EventHandler ^ ContextMenuChanged;
public event EventHandler ContextMenuChanged;
[System.ComponentModel.Browsable(false)]
public event EventHandler ContextMenuChanged;
member this.ContextMenuChanged : EventHandler 
[<System.ComponentModel.Browsable(false)>]
member this.ContextMenuChanged : EventHandler 
Public Custom Event ContextMenuChanged As EventHandler 

事件類型

EventHandler
屬性

範例

下列程式碼範例會在快顯功能表發生變更時顯示訊息。

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

備註

如果屬性是透過程式設計修改或使用者互動來變更,就會 ContextMenu 引發這個事件。

如需處理事件的詳細資訊,請參閱 處理和引發事件

適用於

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