摘要: OffsetClipRgn: 移动剪切区域; PtVisible: 判断点是否在剪切区域中. 本例效果图: 代码文件: unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; type TForm1 = cla... 阅读全文
posted @ 2008-05-30 01:23 万一 阅读(2483) 评论(5) 推荐(0)