Control.OnPreviewKeyDown(KeyRoutedEventArgs) 方法

定義

PreviewKeyDown 事件發生之前呼叫。

protected:
 virtual void OnPreviewKeyDown(KeyRoutedEventArgs ^ e) = OnPreviewKeyDown;
void OnPreviewKeyDown(KeyRoutedEventArgs const& e);
protected virtual void OnPreviewKeyDown(KeyRoutedEventArgs e);
function onPreviewKeyDown(e)
Protected Overridable Sub OnPreviewKeyDown (e As KeyRoutedEventArgs)

參數

e
KeyRoutedEventArgs

事件的資料。

適用於