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TextBox.OnKeyUp Method

Silverlight

Called before KeyUp event occurs.

Namespace:  System.Windows.Controls
Assembly:  System.Windows (in System.Windows.dll)

protected override void OnKeyUp(
	KeyEventArgs e
)

Parameters

e
Type: System.Windows.Input.KeyEventArgs
The data for the event.

The OnKeyUp method is called before any event handler for the KeyUp event is called. This method allows derived classes to handle the KeyUp event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

This implementation marks the KeyUp event as handled by setting the Handled property of the event data to true.

Notes to Inheritors

If you override the OnKeyUp method, you can prevent registered delegates from receiving events by setting Handled to true. For more information about routed events and the Handled property, see Events Overview for Silverlight.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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