code snippets for "How A Simple Foreach Statement Can Waste An Afternoon" post

s1.cs

        public void ProcessGroupsAndTheirMembers(ActiveDirectoryConfiguration adConfig)
        {
            List<GroupPrincipal> groupPrincipals = GetABunchOfGroupsFromActiveDirectory(adConfig);
 
            foreach (var groupPrincipal in groupPrincipals)
            {
                HandleGroup(groupPrincipal);
                DealWithMembers(groupPrincipal.Members);
            }
        }

s2.cs

        public void ProcessGroupsAndTheirMembers(ActiveDirectoryConfiguration adConfig)
        {
            List<GroupPrincipal> groupPrincipals = GetABunchOfGroupsFromActiveDirectory(adConfig);
 
            do
            {
                GroupPrincipal groupPrincipal = groupPrincipals[0];
                HandleGroup(groupPrincipal);
                DealWithMembers(groupPrincipal.Members);
                groupPrincipals.RemoveAt(0);
                groupPrincipal.Dispose();
            } while (groupPrincipals.Count > 0);
        }