UIElement.IsKeyboardFocusWithin Property
Gets a value indicating whether keyboard focus is anywhere within the element or its visual tree child elements. This is a dependency property.
Namespace: System.Windows
Assembly: PresentationCore (in PresentationCore.dll)
Property Value
Type: System.Booleantrue if keyboard focus is on the element or its child elements; otherwise, false.
Implements
IInputElement.IsKeyboardFocusWithinChanges to the value of this property typically raise the IsKeyboardFocusWithinChanged event, unless a derived class has overridden OnIsKeyboardFocusWithinChanged to suppress the event.
You do not set this property directly, but you can set the focus to an element by calling Focus, or by making a MoveFocus request. Either of these method calls might change this property value.
IsKeyboardFocused and IsKeyboardFocusWithin are typically used within class event handlers for other input-related events, for instance to determine whether the element already has keyboard focus, or to make determinations when mouse events and keyboard events occur in conjunction.
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.
