Screen Shot into Clipboard

 Bitmap ScreenShot;
       int w = (int)aGrid.ActualWidth;
            int h = (int)aGrid.ActualHeight;
            int x = (int)aGrid.PointToScreen(new System.Windows.Point(0, 0)).X;
            int y = (int)aGrid.PointToScreen(new System.Windows.Point(0, 0)).Y;
            ScreenShot = new Bitmap(w, h);
            Graphics g = Graphics.FromImage(ScreenShot);
            g.CopyFromScreen(x, y, 0, 0, new System.Drawing.Size(w, h));
            g.Dispose();

System.Windows.Forms.Clipboard.SetImage(ScreenShot);