internal static byte[] TakeDesktopScreenshot()
        {
            try
            {
                using (Bitmap b = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, PixelFormat.Format32bppArgb))
                {
                    using (System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(b))
                    {
                        g.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, Screen.PrimaryScreen.Bounds.Size, CopyPixelOperation.SourceCopy);
                        MemoryStream str = new MemoryStream();
                        b.Save(str, ImageFormat.Jpeg);

                        return str.ToArray();
                    }
                }
            }
            catch
            {
            }