/// <summary>
/// 记录当前操作
/// </summary>
/// <param oldName="oldName">当前操作项</param>
public void recordOper(SVRedoUndoItem item)
{
if (!isRecord)
{
return;
}
listItem.RemoveRange(index, listItem.Count - index);
index++;
listItem.Add(item);
operChanged();
}
/// <summary>
/// 执行恢复操作
/// </summary>
public void Redo()
{
if (index >= listItem.Count)
{
return;
}
index++;
SVRedoUndoItem item = listItem[index - 1];
item.ReDo();
UpdateOperator();
operChanged();
}
/// <summary>
/// 执行撤销操作
/// </summary>
public void Undo()
{
if (index <= 0)
{
return;
}
SVRedoUndoItem item = listItem[index - 1];
item.UnDo();
index--;
UpdateOperator();
operChanged();
}