Disconnect Method
Disconnects from the remote host.
Syntax
int Disconnect();
Remarks
This method disconnects from the remote host. Calling this method is equivalent to setting the Connected property to False.
Refer to the Connected property for more information about MQTT-specific behavior.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)