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ContentElement::PreviewLostKeyboardFocus Event

Occurs when the keyboard is no longer focused on this element.

Namespace:  System.Windows
Assembly:  PresentationCore (in PresentationCore.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public:
virtual  event KeyboardFocusChangedEventHandler^ PreviewLostKeyboardFocus {
	void add (KeyboardFocusChangedEventHandler^ value);
	void remove (KeyboardFocusChangedEventHandler^ value);
}
<object PreviewLostKeyboardFocus="KeyboardFocusChangedEventHandler" .../>

Implements

IInputElement::PreviewLostKeyboardFocus

Identifier field

PreviewLostKeyboardFocusEvent

Routing strategy

Tunneling

Delegate

KeyboardFocusChangedEventHandler

Because this event uses tunneling routing, the element that lost focus might be a child element instead of the element where the event handler is actually attached. Check the Source in the event data to determine the actual element that lost focus.

This event creates an alias for the Keyboard::PreviewLostKeyboardFocus attached event for this class, so that PreviewLostKeyboardFocus is part of the class members list when ContentElement is inherited as a base element. Event handlers that are attached to the PreviewLostKeyboardFocus event are attached to the underlying Keyboard::PreviewLostKeyboardFocus attached event and receive the same event data instance.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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