Control.OnPreviewKeyDown(KeyRoutedEventArgs) 方法

定义

PreviewKeyDown 事件发生之前调用。

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)

参数

e
KeyRoutedEventArgs

事件的数据。

适用于