public void UndoLastOperation()
{
if (!_undoStack.IsEmpty)
{
UndoableOperation <TClass> undoableOperation = _undoStack.Pop();
Undone(this, new GenericEventArgs <UndoableOperation <TClass> >(undoableOperation));
undoableOperation.Implementor.Undo(undoableOperation.Command);
}
}
public void AddOperation(UndoableOperation <TClass> operation)
{
Added(this, new GenericEventArgs <UndoableOperation <TClass> >(operation));
_undoStack.Push(operation);
}