Introduction - If you have any usage issues, please Google them yourself
1, when the system starts, the activation identity authentication module 2, once authenticated, the system initialization depending on system configuration file database such as guide and set a global variable 3, the system enters the message loop state, through the event-driven mechanism activated functional modules, to develop and execute the module 4, after the implementation of the various functions to re-enter the message loop state. Architecture and modular external design