public void DeleAdmin(long uid) { GroupNodeStaff gns = this.FindListItem(uid); if (gns != null) { gns.DeleAdminImage(); EntGroup group = this.dataService.GetEntGroup(this.gid); if (group != null && group.IsAdmin(this.sessionService.Uid)) { gns.AddAdminContextMenu(); } if (uid == this.sessionService.Uid) { foreach (GroupNodeStaff gnstaff in (System.Collections.IEnumerable) this.GroupMemberList.Items) { gnstaff.ClearAdminContextMenu(); } } } }