private Point GetMousePosition()
{
int X = 0;
int Y = 0;
Point pointScreen = Control.MousePosition;
Point pointClientOrigin = new Point(X, Y);
pointClientOrigin = PointToScreen(pointClientOrigin);
Point p = new Point( (pointScreen.X-pointClientOrigin.X), (pointScreen.Y-pointClientOrigin.Y) );
return p;
}