C#

namespace ImagePrjct<br />
{<br />
    public partial class Form1 : Form<br />
    {<br />
        public Form1()<br />
        {<br />
            InitializeComponent();<br />
        }<br />
<br />
        private void Form1_Load(object sender, EventArgs e)<br />
        {<br />
            imageBox2.Image = new Image<Bgr, Byte>(@"C:\Users\Rukshan\Desktop\FYP_Update 2.1\New_Traffic_Pics\E4.jpg");<br />
        }<br />
<br />
        private void button1_Click(object sender, EventArgs e)<br />
        {<br />
            Image<Bgr, Byte> ori = new  Image<Bgr, Byte> ( imageBox2.Image.Bitmap);<br />
            Image<Gray, Byte> grayscale = ori.Convert<Gray, Byte>();<br />
            imageBox1.Image = grayscale;<br />
        }<br />
<br />
        private void button2_Click(object sender, EventArgs e)<br />
        {<br />
            Image<Bgr, Byte> ori = new  Image<Bgr, Byte> ( imageBox2.Image.Bitmap);<br />
            Image<Gray, Byte> grayscale = ori.Convert<Gray, Byte>();<br />
            //blk._Dilate(3);<br />
            //blk._Erode(3);<br />
           Image<Gray, Byte> thresh = grayscale.ThresholdToZero(new Gray(210));// (new Gray(50), new Gray(255));<br />
            //using (Image<Gray, Byte> plateCanny = thresh.Canny(new Gray(100), new Gray(50)))<br />
<br />
           StructuringElementEx ex = new StructuringElementEx(8, 8, 1, 1, CV_ELEMENT_SHAPE.CV_SHAPE_RECT);<br />
<br />
           thresh._MorphologyEx(ex, CV_MORPH_OP.CV_MOP_OPEN, 1);<br />
<br />
            imageBox3.Image = thresh;<br />
        }

             Select    ID    Name         Age
--------------------------------------------------
Item[0]:    checkbox   25    Richard       24
Item[1]:    checkbox   26    Tom           20
Item[2]:    checkbox   27    Alice         22
......many.....

private void button1_Click(object sender, EventArgs e)
       {
           TcpListener tcpListen = new TcpListener(IPAddress.Parse("192.168.1.6"), 1234);
           tcpListen.Start();
           Socket socket = tcpListen.AcceptSocket();

           if (socket.Connected)
           {
               while (true)
               {
                   NetworkStream stream = new NetworkStream(socket);
                   StreamReader streamRead = new StreamReader(stream);
                   StreamWriter streamWrite = new StreamWriter(stream);
                   try
                   {
                       streamWrite.WriteLine("Incoming message: " + streamRead.ReadLine());
                       streamWrite.Flush();
                   }
                   catch (Exception)
                   {
                       label1.Text = "Server is being shutdown";
                       return;
                   }
               }
           }
           socket.Close();
       }

public TcpClient client;
        NetworkStream stream;
        StreamReader streamRead;
        StreamWriter streamWrite;

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                client = new TcpClient("192.168.1.6", 1234);
            }
            catch (Exception)
            {
                MessageBox.Show("Not Connected");
            }
            stream = client.GetStream();
            streamRead = new StreamReader(stream);
            streamWrite = new StreamWriter(stream);

            try
            {
                streamWrite.WriteLine(textBox1.Text);
                streamWrite.Flush();
                string line = streamRead.ReadLine();
                MessageBox.Show("Message from server: " + line);
            }
            catch (Exception)
            {
                MessageBox.Show("Connection error");
            }
            streamWrite.Close();
            streamRead.Close();
            stream.Close();
        }