Keyboard.KeyDown Attached Event


Occurs when a key on the keyboard is pressed.

Namespace:   System.Windows.Input
Assembly:  PresentationCore (in PresentationCore.dll)

See AddKeyDownHandler, RemoveKeyDownHandler

This is an . WPF implements as . Attached events are fundamentally a XAML language concept for referencing events that can be handled on objects that do not define that event, which WPF expands upon by also enabling the event to traverse a route. Attached events do not have a direct handling syntax in code; to attach handlers for a routed event in code, you use a designated Add*Handler method. For details, see Attached Events Overview.GTMTGTMTGTMT

Identifier field


Routing strategy




The following example creates TextBox that attaches an event handler for the KeyDown event. When the Return is pressed, the event handler displays the text in the TextBox in a TextBlock.

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