コード例 #1
0
        protected IUndoableEdit EditToBeUndone()
        {
            int count = edits.Count;

            for (int i = index; i < count; i++)
            {
                IUndoableEdit e = edits[i];
                if (e.IsSignificant())
                {
                    return(e);
                }
            }
            return(null);
        }