%0 Journal Article
%T Design and Implementation of Undo/Redo Operation under Graphics System<br>图形应用系统下Undo/Redo操作的设计与实现
%A NIE Ying
%A <br>聂颖
%J 计算机应用研究
%D 2005
%I 
%X For Graphics Application,a scheme about Undo/Redo operation is presented. Data Model based on OO technology is also designed in this paper. At the end, parts of program is offered to explain the implementation more clearly.
%K Undo/Redo
%K Graphics Application
%K Graphics Object
%K Command History<br>撤销/恢复
%K 图形应用系统
%K 图形对象
%K 命令集合
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=7B77274D5D32C770&yid=2DD7160C83D0ACED&vid=BC12EA701C895178&iid=38B194292C032A66&sid=7EBE588F611589FC&eid=B1F98368A47B8888&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=3&reference_num=2