f:\新建文件夹\msdev98\myprojects\game\gameapp.h(15) : error C2555: 'GameApp::InitInstance' : overriding virtual function differs from 'CWinApp::InitInstance' only by return type or calling convention
f:\vc98\mfc\include\afxwin.h(4031) : see declaration of 'CWinApp'
Error executing cl.exe.