void RaisePointerMove(object sender, PointerEventArgs e) { if (PointerMove != null) PointerMove(sender, e); }
void RaisePointerUp(object sender, PointerEventArgs e) { if (PointerUp != null) PointerUp(sender, e); }
void RaisePointerDown(object sender, PointerEventArgs e) { if (PointerDown != null) PointerDown(sender, e); }