程序中关于Windows系统版本号判断

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    majorVersion = versionInfo.dwMajorVersion;
    minorVersion = versionInfo.dwMinorVersion;

    if (majorVersion == 5 && minorVersion < 1 || majorVersion < 5)
    {
        WindowsVersion = WINDOWS_ANCIENT;
    }
    /* Windows XP */
    else if (majorVersion == 5 && minorVersion == 1)
    {
        WindowsVersion = WINDOWS_XP;
    }
    /* Windows Server 2003 */
    else if (majorVersion == 5 && minorVersion == 2)
    {
        WindowsVersion = WINDOWS_SERVER_2003;
    }
    /* Windows Vista, Windows Server 2008 */
    else if (majorVersion == 6 && minorVersion == 0)
    {
        WindowsVersion = WINDOWS_VISTA;
    }
    /* Windows 7, Windows Server 2008 R2 */
    else if (majorVersion == 6 && minorVersion == 1)
    {
        WindowsVersion = WINDOWS_7;
    }
    /* Windows 8 */
    else if (majorVersion == 6 && minorVersion == 2)
    {
        WindowsVersion = WINDOWS_8;
    }
    else if (majorVersion == 6 && minorVersion > 2 || majorVersion > 6)
    {
        WindowsVersion = WINDOWS_NEW;
    }