Sending the EcDoRpcExt2 Method

When issuing the EcDoRpcExt2 method, as specified in section, some parameters require additional client-side consideration beyond what is stated in section The client has specific handling for the following parameter:

pcxh: The client MUST pass a valid session context handle that was created by calling the EcDoConnectEx method. If the value of the pcxh parameter on output is zero, the Session Context on the server has been destroyed.