public void Test()
{
Document doc = new Document();
Command display = new Display(doc);
Command undo = new Undo(doc);
Command redo = new Redo(doc);
DocumentInvoker invoker = new DocumentInvoker(display, undo, redo);
invoker.Display();
invoker.Undo();
invoker.Redo();
Console.ReadLine();
}
public Print(Document doc)
{
Execute = delegate { Execute.Log(); doc.Print(); };
Undo = delegate { Undo.Log(); Console.WriteLine("This action cannot be Undone"); };
Redo = delegate { Redo.Log(); doc.Print(); };
}
public Paste(Document doc)
{
Execute = delegate { Execute.Log(); doc.Paste(); };
Undo = delegate { Undo.Log(); doc.Restore(); };
Redo = delegate { Redo.Log(); doc.Paste(); };
}
