Sending desktop images of the client to server using tcpclient c#.

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Hi everyone, I have a project that requires sending desktop images of the client to the server. The server must handle all incoming connection and to every client, a new windows form will appear that has a picture box in it whereas this picture box contain the images of that client. Please help me... Thanks in advance.

What I have tried:

I already tried searching to this problem, but most solution uses a synchronous communication between server and client.

Posted 17-Mar-16 20:07pm

Member 12070650

Updated 17-Mar-16 23:04pm

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Mycroft Holmes 18-Mar-16 3:43am

This is wrong, a server application rarely has a UI. A server should store the images and the client is used for display

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Stark117 · Answer 1 · 2016-03-17T20:35:00

I posted Client Side Code For an Example. may it would be useful.

C#

Stream imageFileStream = File.OpenRead("YourFullFilePath");
           byte[] byteArray=new byte[imageFileStream.Length];
           imageFileStream.Read(byteArray, 0, (int)imageFileStream.Length);
           TcpClient client = new TcpClient("YourServer",8080); //8080 is the port where server is running.
           NetworkStream network = client.GetStream();
           network.Write(byteArray,0,byteArray.GetLength(0));
           network.Close();

Stark117 · Answer 2 · 2016-03-17T23:04:00

Hi! hope you getting idea by my example. here I am giving you server side example.
Server side code can be like :

C#

TcpListener ServerforTCP = new TcpListener(8080);
           ServerforTCP.Start();
           while (true)
           {
               Socket socketToHandleRequest = ServerforTCP.AcceptSocket(); //accept client request.
               NetworkStream network = new NetworkStream(socketToHandleRequest);

               int readPoint = 0;
               int chunkSize = 1024;
               byte[] data=new byte[chunkSize];
               lock (this) //to handle multiple client call issue
               {
                   Stream fileForWrite = File.OpenWrite("FilePathWithFileNameWhereYouWantTosaveYourJPGFILE");// ex :D:\\File.jpg
                   while (true)
                   {
                       readPoint = network.Read(data, 0, chunkSize);
                       fileForWrite.Write(data,0,readPoint);
                       if(readPoint==0)
                       {
                           //end of the file read from client. you can break the loop.
                           break;
                       }
                   }
                   fileForWrite.Close(); // Must Close.
               }
               socketToHandleRequest = null; // assign null to release memeory.
               System.Threading.Thread.Sleep(1000);
           }

Thanks!.

Stark117 · Answer 3 · 2016-03-17T20:24:00

Solution 1

Hi! this is my first answer so please help to make my answer skill better. I just try to express things in brief.

Have you try with stream ?
in short I want to ask you that have you try to read stream of your image file into byte[] and send that file to server?
same you can do this in reverse order at Server side.
get byte[] and save that byte[] with image file extension.

have you tried this? if not then let me know I will post demo here.
Thanks.

Posted 17-Mar-16 20:24pm

Stark117

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Member 12070650 18-Mar-16 3:08am

How should i do it sir. I am new to .NET socket and the only thing that i have tried is a synchronous tcp connection. sending and receiving images is fine in a synchronous way, but when handling multiple connection, i don't know anymore.. can you give me some example at least catering multiple client that send images continuously...

Sending desktop images of the client to server using tcpclient c#.

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