static void CreateHandler(DependencyObject element, DependencyProperty property)
{
var focusMover = element.GetValue(FrameworkElement.DataContextProperty) as IFocusMover;
if (focusMover == null)
{
var handler = element.GetValue(MoveFocusSinkProperty) as MoveFocusSink;
if (handler != null)
{
handler.ReleaseReferences();
element.ClearValue(MoveFocusSinkProperty);
}
}
else
{
var handler = new MoveFocusSink(element as UIElement, property);
focusMover.MoveFocus += handler.HandleMoveFocus;
element.SetValue(MoveFocusSinkProperty, handler);
}
}
static void CreateHandler(DependencyObject element, DependencyProperty property)
{
var focusMover = element.GetValue(FrameworkElement.DataContextProperty) as IFocusMover;
if (focusMover == null)
{
var handler = element.GetValue(MoveFocusSinkProperty) as MoveFocusSink;
if (handler != null)
{
handler.ReleaseReferences();
element.ClearValue(MoveFocusSinkProperty);
}
}
else
{
var handler = new MoveFocusSink(element as UIElement, property);
focusMover.MoveFocus += handler.HandleMoveFocus;
element.SetValue(MoveFocusSinkProperty, handler);
}
}