说明：  欢迎使用Object Pascal参考,本参考中所有以Original标明的内容，均原文出自Delphi 6帮助系统，版权归Borland/Inprise公司所有。
(Welcome to the Object Pascal reference, this reference to Original marked all of the contents of all text from Delphi 6 Help system, copyright Borland/Inprise Company.)