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Calendar.OnKeyDown Method

Provides class handling for the KeyDown routed event that occurs when the user presses a key while this control has focus.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
protected override void OnKeyDown(
	KeyEventArgs e
)

Parameters

e
Type: System.Windows.Input.KeyEventArgs

The data for the event.

Calendar overrides the OnKeyDown method to support keyboard navigation. For more information, see the Calendar class. This implementation marks the KeyDown event as handled by setting the Handled property of the event data to true when a keystroke, such as pressing an ARROW key, performs a navigation action.

Notes to Inheritors

If you override OnKeyDown, always call the base implementation in your OnKeyDown implementation. Failure to call the base implementation prevents base classes from handling the event with a class handler, which might change the run-time behavior of the final class. You can call the base implementation either before or after your special handling, depending on your requirements.

.NET Framework

Supported in: 4.5.1, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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