private void ThirdPicture_PreviewMouseUp(object sender, MouseButtonEventArgs e) { _movePoint3 = null; ThirdPicture.ReleaseMouseCapture(); }
private void ThirdPicture_PreviewMouseDown(object sender, MouseButtonEventArgs e) { _movePoint3 = e.GetPosition(ThirdPicture); ThirdPicture.CaptureMouse(); }