Listing Windows UserGroups,etc.

I'm looking for some simple code that allows us to list the Windows user groups against a server.
Ideally this would include things like Administrators, etc.
How can this be done against a given domain ?
Any help would be appreciated.
I'm just starting looking at this and looking for a head start ....
Thanks in advance
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You could take a look at the System.Management namespace and use it to do WQL queries.
StevenKAuthor Commented:
How do I make use of this ?
I'm in uncharted waters .... :(
Add a reference in your project to System.DirectoryServices and do the following.

using System.DirectoryServices;

static void Main()
        // In the LDAP string the DC='s represent Hostname Segments (ex. replace with yours
        // Replace Domaincontroller with your domaincontrollers name
        string Enterprise = "LDAP://domaincontroller/CN=Users,DC=my,DC=domain,DC=com";
        DirectoryEntry myDirectoryEntry = new DirectoryEntry( Enterprise );
        foreach( DirectoryEntry de in myDirectoryEntry.Children )
           Console.WriteLine( de.Name );

Hope this is what your looking for,

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One more thing now that I read the question again

1) If you want all the users on the domain use this LDAP in my last code post

2) If you want all the groups on the domain use this LDAP in my last code post

This should give you what you want,
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