public void GetGroups(ComboBox comboBox) { comboBox.Items.Clear(); var groups = credentialsRepository.GetGroups(credentials => (credentials.ActorType == (int)ActorType.User && credentials.ActorId == Initializer.LoggedInUser.Id) || (credentials.ActorType == (int)ActorType.Group && Initializer.LoggedInUser.Groups.Any(group => group.Id == credentials.ActorId))); comboBox.Items.Add(Lng.Elem("All")); foreach (var group in groups) { comboBox.Items.Add(group); } }