Victor,
Thanks for doing some digging. I was hoping it would be as simple as finding the OS version info.
Again thanks for your help.
Einar
>I hate challenges - I have to search for the solution until I find it. Sometimes that means staying up 1/2 the night or waking up early to figure it out...
>
>Here at work we actually use a struct and assign the values using Win32 API. I hate it!!!
>
>I did find WQL, though - and here's the code.
>
>

>using System.Management;
>
>...
>
>SelectQuery q = new SelectQuery("Win32_OperatingSystem");
>ManagementObjectSearcher s = new ManagementObjectSearcher(q);
>
>foreach(ManagementObject mo in s.get())
>{
>    Console.WriteLine(mo["ServicePackMajorVersion"]);
>{
>

>
>It isn't much cleaner than using Win32Api but at least you're staying withing the managed code which is what M$ would like to see - plus it would make your upgrade a lot easier when new .NET Framework versions are released.
>
>Enjoy! I'm going back to bed...