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   源码介绍

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通过TCP/IP协议，截屏的方式，广播发送桌面图片

private Bitmap GetScreenShot()
        {
            Bitmap bmp = new Bitmap(Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
            Graphics g = Graphics.FromImage(bmp);
            g.CopyFromScreen(Screen.PrimaryScreen.Bounds.X, Screen.PrimaryScreen.Bounds.Y, 0, 0, Screen.PrimaryScreen.Bounds.Size, CopyPixelOperation.SourceCopy);
            return bmp;
        }

        private void Startlistener()
        {
            TcpListener listener = new TcpListener(port);
            listener.Start();
            while (true)
            {
                if (isFormClosed)
                {
                    return;
                }
                try
                {
                    TcpClient client = listener.AcceptTcpClient();
                    if (clientList.Count < maxConnections)
                    {
                        clientList.Add(client);
                    }
                    else
                    {
                        client.Close();
                    }
                }
                catch (Exception ex)
                {
                    this.Text = ex.Message;
                }
            }
        }