public void Update(User user, Group group, LocalData localData) { CurrentUser = user; Group = group; _localData = localData; _editBt.IsEnabled = CurrentUser.Id == _localData.FindUserByName("Admin").Id; _removeBt.Text = CurrentUser.Groups.Contains(Group) ? "Remove from groups list" : "Add to groups list"; SetImage(Group.AvatarLink); _title.Text = group.Title; _description.Text = group.Description; }