private void AboutToGrabFocus(Focusable focusable, Focusable willTakeFocusFrom, FocusChangeDirection direction)
 {
     using (FocusInEvent pooled = FocusEventBase <FocusInEvent> .GetPooled(focusable, willTakeFocusFrom, direction, this, false))
     {
         focusable.SendEvent(pooled);
     }
 }
 private void GrabFocus(Focusable focusable, Focusable willTakeFocusFrom, FocusChangeDirection direction, bool bIsFocusDelegated = false)
 {
     using (FocusEvent pooled = FocusEventBase <FocusEvent> .GetPooled(focusable, willTakeFocusFrom, direction, this, bIsFocusDelegated))
     {
         focusable.SendEvent(pooled);
     }
 }
 private void ReleaseFocus(Focusable focusable, Focusable willGiveFocusTo, FocusChangeDirection direction)
 {
     using (BlurEvent pooled = FocusEventBase <BlurEvent> .GetPooled(focusable, willGiveFocusTo, direction, this, false))
     {
         focusable.SendEvent(pooled);
     }
 }