/// <summary> /// Function to add a trait to the minions list of traits. /// </summary> private void AddTrait_Click(object sender, RoutedEventArgs e) { bool inputOk = ReadTrait(); if (inputOk) { minion.AddItem(txt_Trait.Text.Trim()); lstTraits.ItemsSource = minion.Mylist; txt_Trait.Text = string.Empty; _btnDelete.IsEnabled = true; } else { MessageBox.Show("Must enter text", "Error", MessageBoxButton.OK); } }