品雪: 据说d4以后要用Memo1.Perform(EM_UNDO, 0, 0); 和 Memo1.Perform(EM_CANUNDO, 0, 0) <> 0 [阅读: 332] 2007-01-04 09:52:54 手头没有delphi,不过感觉这个事情没那么复杂吧