C# (CSharp) Memento Caretaker.getMemento Beispiele

Beispiel #1

Datei: MainWindow.xaml.cs Projekt: ReynaldAdolphe/CSharp-Design-Patterns-Part-3

        private void btnUndo_Click(object sender, RoutedEventArgs e)
        {
            if (currentStatement >= 0)
            {
                currentStatement--;

                string textBoxString = originator.restoreFromMemento(caretaker.getMemento(currentStatement));

                theStatement.Text = textBoxString;

                btnRedo.IsEnabled = true;
            }
            else
            {
                btnUndo.IsEnabled = false;
            }
        }