Fired immediately after a connection completes (or fails).
The 'callback' is called when the 'Connected' event is emited.
The argument 'e' has the following properties:
If the connection is made normally, StatusCode is 0 and Description is "OK".
If the connection fails, StatusCode has the error code returned by the TCP/IP stack. Description contains a description of this code. The value of StatusCode is equal to the value of the error.
Please refer to the Error Codes section for more information.