Control.ContextMenuChanged 事件
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
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
- 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。