public PannablePictureBox()
 {
     InitializeComponent();
     PannablePictureBoxImage = new PannablePictureBoxImage();
     PannablePictureBoxImage.OnPannablePictureNewImageSet += Image_OnPannablePictureNewImageSet;
     pctBox.MouseWheel += PctBox_MouseWheel;
 }
 public void SetImage(Image image, int width, int height, int x, int y)
 {
     PannablePictureBoxImage.SetImage(image, width, height, x, y);
     _movingPoint = new Point(x, y);
 }