得到当前程序的版本号

int CUpdateDlg::GetLocalVersion(CString &strVersion,CString&  szFile)
{
 char* szFileName = "hello.exe";
    DWORD dwSize = GetFileVersionInfoSize((LPTSTR)(LPCSTR)szFile,NULL);
    LPVOID pBlock = malloc(dwSize);
    GetFileVersionInfo(szFileName,0,dwSize,pBlock);

    char* pVerValue = NULL;
    UINT nSize = 0;
    VerQueryValue(pBlock,TEXT("//VarFileInfo//Translation"),
        (LPVOID*)&pVerValue,&nSize);

    CString strSubBlock,strTranslation,strTemp;
    strTemp.Format("000%x",*((unsigned short int *)pVerValue));
    strTranslation = strTemp.Right(4);
    strTemp.Format("000%x",*((unsigned short int *)&pVerValue[2]));
    strTranslation += strTemp.Right(4);
    //080404b0为中文，040904E4为英文
///////////////////////////////////////////////////
/*    //文件描述
    strSubBlock.Format("//StringFileInfo//%s//FileDescription",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("文件描述: %s",pVerValue);
    AfxMessageBox(strTemp);

    //内部名称
    strSubBlock.Format("//StringFileInfo//%s//InternalName",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("文件描述: %s",pVerValue);
    AfxMessageBox(strTemp);

    //合法版权
    strSubBlock.Format("//StringFileInfo//%s//LegalTradeMarks",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("合法版权: %s",pVerValue);
    AfxMessageBox(strTemp);

    //原始文件名
    strSubBlock.Format("//StringFileInfo//%s//OriginalFileName",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("原始文件名: %s",pVerValue);
    AfxMessageBox(strTemp);

    //产品名称
    strSubBlock.Format("//StringFileInfo//%s//ProductName",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("产品名称: %s",pVerValue);
    AfxMessageBox(strTemp);
*/
    //产品版本
 /*   strSubBlock.Format("//StringFileInfo//%s//ProductVersion",strTranslation);
    VerQueryValue(pBlock,strSubBlock.GetBufferSetLength(256),(LPVOID*)&pVerValue,&nSize);
    strSubBlock.ReleaseBuffer();
    strTemp.Format("产品版本: %s",pVerValue);
    AfxMessageBox(strTemp);

    free(pBlock);
 return 0;
}