public ZoomAndRotationGesture(IGestureRecognizer zoomIdentifier, IRotationGripGesture rotationIdentifier)
 {
     this.zoomIdentifier = zoomIdentifier;
     this.rotationIdentifier = rotationIdentifier;
     AngleControl = 5;
 }
 public ZoomAndRotationGesture()
 {
     zoomIdentifier = new ZoomGripGesture();
     rotationIdentifier = new RotationGripGesture();
     AngleControl = 5;
 }