// myfirstprj.cpp : Defines the entry point for the application.
//#include "stdafx.h"int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
  // TODO: Place code here.
    MessageBox("NULL","Hello World","Myfirstproject",MB_ICONINFORMATION);
return 0;
}
请问以上程序有什么错误吗,编译不能通过,我用的是vc++6.0sp6简体中文企业版?