PreProcessInputEventHandler Delegate
Represents the method that will handle the PreProcessInput event.
Assembly: PresentationCore (in PresentationCore.dll)
Public Delegate Sub PreProcessInputEventHandler ( sender As Object, e As PreProcessInputEventArgs )
Parameters
- sender
-
Type:
System.Object
The source of the event.
- e
-
Type:
System.Windows.Input.PreProcessInputEventArgs
The event data.
The PreProcessInputEventHandler is used with the PreProcessInput event.
Input is processed in WPF in the follow stages:
Pre-process stage. The input manager raises the PreProcessInput event.
Pre-notify stage. The input manager raises the PreNotifyInput event.
The WPF input event or events are raised.
Post-notify stage. The input manager raises the PostNotifyInput event.
Post-process stage. The input manager raises the PostProcessInput event.
Available since 3.0