How to integrate an IP Camera to my C# Windows Application

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C++

C#

Currently i'm using this

string sourceURL = "http://192.168.1.88/web/admin.html";
            string login = "admin";
            string password = "admin";
            byte[] buffer = new byte[100000];
            int read, total = 0;
            // create HTTP request
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(sourceURL);
            // set login and password
            req.Credentials = new NetworkCredential(login, password);
            // get response
            WebResponse resp = req.GetResponse();
            // get response stream
            Stream stream = resp.GetResponseStream();
            

            // read data from stream
            while ((read = stream.Read(buffer, total, 1000)) != 0)
            {
                total += read;
            }
            //stream.Close();
            //resp.Close();
           
            Bitmap bmp = (Bitmap)Bitmap.FromStream(
                          new MemoryStream(buffer, 0, total)); //Error: Parametor not valid

But, it's show error of "Parametor Not Valid". I tried almost each and everything, but all in vain. The, Camera i'm using is 'ZKT eco'.

I, also tried this

http://root:pass@192.168.1.88/web/admin.html
            byte[] bytes = new byte[256];
            Socket sock = new Socket(AddressFamily.InterNetwork
                , SocketType.Stream, ProtocolType.Tcp);
            sock.Connect("192.168.1.88", 80);
            if (sock.Connected)
            {


                int i = sock.Receive(bytes);
            }
            //pictureBox1.Image = (Bitmap)ConvertByteArray2Bitmap(bytes);
            //Bitmap asdjfk =(Bitmap)ConvertByteArray2Bitmap(bytes);
            Image bmppic = ConvertByteArray2Bitmap(bytes);
            pictureBox1.Image = bmppic;

But, it also showing same error.
Please help, thanks in advance...