Gets a value indicating whether this element has keyboard focus.
Assembly: PresentationCore (in PresentationCore.dll)
Metadata properties set to true
Changes to the determined value of this property may be accompanied by focus-related events.
and IsKeyboardFocusWithin are commonly 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.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.