Key Down Event Handler Delegate
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Represents the method that will handle the PreviewKeyDown event for a control.
public delegate void PreviewKeyDownEventHandler(System::Object ^ sender, PreviewKeyDownEventArgs ^ e);
public delegate void PreviewKeyDownEventHandler(object sender, PreviewKeyDownEventArgs e);
public delegate void PreviewKeyDownEventHandler(object? sender, PreviewKeyDownEventArgs e);
type PreviewKeyDownEventHandler = delegate of obj * PreviewKeyDownEventArgs -> unit
Public Delegate Sub PreviewKeyDownEventHandler(sender As Object, e As PreviewKeyDownEventArgs)
The source of the event.
When you create a PreviewKeyDownEventHandler delegate, you identify the method that will handle the event. To associate the event with your event handler, add an instance of the delegate to the event. The event handler is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see Handling and Raising Events.
Gets an object that represents the method represented by the specified delegate.