pGina.Plugin.LocalMachine.LocalAccount.CreateOrGetGroupPrincipal C# (CSharp) Method

        private GroupPrincipal CreateOrGetGroupPrincipal(GroupInformation groupInfo)
        {
            GroupPrincipal group = null;

            // If we have a SID, use that, otherwise name
            group = GetGroupPrincipal(groupInfo.Name);

            if (group == null)
            {
                // We create the GroupPrincipal, but https://connect.microsoft.com/VisualStudio/feedback/details/525688/invalidoperationexception-with-groupprincipal-and-sam-principalcontext-for-setting-any-property-always
                // prevents us from then setting stuff on it.. so we then have to locate its relative DE
                // and modify *that* instead.  Oi.
                using (group = new GroupPrincipal(m_machinePrincipal))
                {
                    group.Name = groupInfo.Name;
                    group.Save();

                    using (DirectoryEntry newGroupDe = m_sam.Children.Add(groupInfo.Name, "Group"))
                    {
                        if (!string.IsNullOrEmpty(groupInfo.Description))
                        {
                            newGroupDe.Properties["Description"].Value = groupInfo.Description;
                            newGroupDe.CommitChanges();
                        }
                    }

                    // We have to re-fetch to get changes made via underlying DE
                    return GetGroupPrincipal(group.Name);
                }
            }

            return group;
        }