TCP/IP Socket Connect to Remote Host:Port

Demonstrates how to create a TCP/IP socket, connect to a remote host:port, and receive a "Hello World!" message.

Download Chilkat .NET for 2.0 / 3.5 Framework

Download Chilkat .NET for 1.0 / 1.1 Framework

Chilkat.Socket socket = new Chilkat.Socket();

bool success;
success = socket.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show("Failed to unlock component");
    return;
}

//  Connect to port 5555 of localhost.
//  The string "localhost" is for testing on a single computer.
//  It would typically be replaced with an IP hostname, such
//  as "www.chilkatsoft.com".
bool ssl;
ssl = false;
int maxWaitMillisec;
maxWaitMillisec = 20000;
success = socket.Connect("localhost",5555,ssl,maxWaitMillisec);
if (success != true) {
    MessageBox.Show(socket.LastErrorText);
    return;
}

//  Set maximum timeouts for reading an writing (in millisec)
socket.MaxReadIdleMs = 10000;
socket.MaxSendIdleMs = 10000;

//  The server (in this example) is going to send a "Hello World!"
//  message.  Read it:
string receivedMsg;
receivedMsg = socket.ReceiveString();
if (receivedMsg == null ) {
    MessageBox.Show(socket.LastErrorText);
    return;
}

//  Close the connection with the server
//  Wait a max of 20 seconds (20000 millsec)
socket.Close(20000);

MessageBox.Show(receivedMsg);