public System.Drawing.Point PointToClient(System.Drawing.Point point)
 {
     System.Windows.Point sourcePoint      = new System.Windows.Point(point.X, point.Y);
     System.Windows.Point destinationPoint = _window.PointFromScreen(sourcePoint);
     return(new System.Drawing.Point((int)(0.5 + destinationPoint.X), (int)(0.5 + destinationPoint.Y)));
 }