一运行软件，在软件上会提示，本系统是xp还是win7？

     public string GetOperationSystemInName()
     {
         OperatingSystem os = System.Environment.OSVersion;
         string osName = "UNKNOWN";
         switch (os.Platform)
         {
             case PlatformID.Win32Windows:
                 switch (os.Version.Minor)
                 {
                     case 0: osName = "Windows 95"; break;
                     case 10: osName = "Windows 98"; break;
                     case 90: osName = "Windows ME"; break;
                 }
                 break;
             case PlatformID.Win32NT:
                 switch (os.Version.Major)
                 {
                     case 3: osName = "Windws NT 3.51"; break;
                     case 4: osName = "Windows NT 4"; break;
                     case 5: if (os.Version.Minor == 0)
                         {
                             osName = "Windows 2000";
                         }
                         else if (os.Version.Minor == 1)
                         {
                             osName = "Windows XP";
                         }
                         else if (os.Version.Minor == 2)
                         {
                             osName = "Windows Server 2003";
                         }
                         break;
                     case 6: osName = "Longhorn"; break;
                 }
                 break;
         }
         return String.Format("{0},{1}", osName, os.Version.ToString());
        }

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