分析IPMSG源代码

WinMain与main

WinMain的原型：

int CALLBACK WinMain(
  __in  HINSTANCE hInstance,
  __in  HINSTANCE hPrevInstance,
  __in  LPSTR lpCmdLine,
  __in  int nCmdShow
);

WinMain的定义：

WinMain is the conventional name used for the application entry point for a graphical Windows-based application.

#include <Windows.h>
int WinMain(HINSTANCE hInstance, HINSTANCE hPrev, LPSTR cmdline, int iCmdShow)
{
    MessageBox(nullptr, cmdline, "Wi