send a binary message to a tcp server in csharp

To send a binary message to a TCP server in C#, you can use the System.Net.Sockets namespace and the TcpClient class. Here's an example code snippet:

main.cs
using System;
using System.Net.Sockets;

public static void SendBinaryMessage(string host, int port, byte[] message)
{
    // Create a TCP client and connect to the server
    TcpClient client = new TcpClient();
    client.Connect(host, port);

    try
    {
        // Get a network stream from the TCP client
        NetworkStream stream = client.GetStream();

        // Send the binary message to the server
        stream.Write(message, 0, message.Length);
    }
    finally
    {
        // Close the TCP client
        client.Close();
    }
}
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In this example, the SendBinaryMessage method takes three parameters: the hostname or IP address of the server, the port number to connect to, and the binary message to send as a byte array. This method creates a TcpClient object and connects to the server using the specified hostname and port. Then, it gets a NetworkStream object from the TCP client and writes the binary message to the stream using the Write method. Finally, it closes the TCP client when the operation is completed.

You can call this method with the appropriate parameters to send a binary message to a TCP server in C#.