Bitmap newbitmap = new Bitmap(panelW.Width, panelW.Height);
panelW.DrawToBitmap(newbitmap, new Rectangle(0, 0, newbitmap.Width, newbitmap.Height));
newbitmap.Save(@"F:yl.jpg");
Bitmap newbitmap = new Bitmap(panelW.Width, panelW.Height);
panelW.DrawToBitmap(newbitmap, new Rectangle(0, 0, newbitmap.Width, newbitmap.Height));
newbitmap.Save(@"F:yl.jpg");