Bitmap printscreen = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
Graphics graphics = Graphics.FromImage(printscreen as Image);
graphics.CopyFromScreen(0, 0, 0, 0, printscreen.Size);
printscreen.Save(@"C://hng/Global Map/" + Convert.ToString(i) + ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);