public void Redo()
        {
            if (_redoStack.Count > 0)
            {
                EditAction action = _redoStack[_redoStack.Count - 1];

                _actionsRecord = false;
                action.Redo();
                _actionsRecord = true;

                _redoStack.Remove(action);
                _undoStack.Add(action);
            }
        }