Gets or sets the context for input used by this FrameworkElement.
Assembly: PresentationFramework (in PresentationFramework.dll)
This dependency property inherits property values. If there are child elements without other values forestablished through local values or styles, then the property system will set the value to be the value of the nearest ancestor element with this value assigned.
Although a XAML syntax usage is listed and is syntactically allowed, setting this property in XAML is not common.
Available since 3.0