格式化HRESULT获取对应文本

 

CString CXXUtil::FormatMessageFor(HRESULT hr)

{

    CString strMsg;

    LPVOID pvMsgBuf = NULL;

    LPCTSTR pszMsg = NULL;

    if(FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,

        NULL, (DWORD)hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &pvMsgBuf, 0, NULL ))

    {

        pszMsg = (LPTSTR)pvMsgBuf;

        // Do something with the error message.

        //printf( "Windows error: 0X%.8X (%s)\n", a_hResult, a_pszMsg );

        strMsg.Format(_T("0X%.8X (%s)"), hr, pszMsg);

        LocalFree(pvMsgBuf);

    }

    return strMsg;

}

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