private void DeleteSelectedStudent(object sender, RoutedEventArgs e) { if (selectedStudent is object) { currentList.DeleteFirst(selectedStudent); Refresh(); } }
private void DeleteCurrentGroup(object sender, RoutedEventArgs e) { MessageBoxResult messageBoxResult = MessageBox.Show("Are you sure?", "Delete Confirmation", MessageBoxButton.YesNo); if (messageBoxResult == MessageBoxResult.Yes && !(selectedFaculty is null)) { selectedFaculty.DeleteFirst(selectedGroup); Refresh(); OnPropertyChanged("CanDeleteGroup"); } }