[Windows]获取系统版本号

 1 string GetMainProgInfo()

 2 {

 3     string strRet;

 4     TCHAR szPath[MAX_PATH];

 5     GetModuleFileName(NULL,szPath,MAX_PATH);

 6

 7     //根据主程序路径获取版本信息

 8     DWORD dwHandle = 0;

 9     DWORD dwVerSize = GetFileVersionInfoSize(szPath,&dwHandle);

10     if (dwVerSize > 0)

11     {

12         BYTE* pBlock = new BYTE[dwVerSize];

13         if (GetFileVersionInfo(szPath,0,dwVerSize,pBlock))

14         {

15             VS_FIXEDFILEINFO* pVerinfo;

16             UINT nLen;

17             if (VerQueryValue(pBlock,"\\",(LPVOID*)&pVerinfo,&nLen))

18             {

19                 char temp[512]={0};

20                 sprintf_s(temp,"%d.%d.%d.%d",

21                     HIWORD(pVerinfo->dwFileVersionMS),

22                     LOWORD(pVerinfo->dwFileVersionMS),

23                     HIWORD(pVerinfo->dwFileVersionLS),

24                     LOWORD(pVerinfo->dwFileVersionLS));

25

26                 strRet = temp;

27             }

28         }

29         delete [] pBlock;

30     }

31     return strRet;

32 }