含有whois,mail,time,finger,gethost等协议和工具的OCX控件源码-OCX control sourcecode which includes some protocols and tools such as whois,mail,time,fing

Delphi7使用的正则表达式控件，使用方便，可以安装到控件面板，也可以引用源码直接调用。-Delphi7 using regex controls, easy to use, can be mounted to the control panel, you can also directly call the reference source.

第2章 信用卡账户管理系统 的数据库基本控件,不错的源码,很好-Chapter 2 credit card account management system basic control, good source code, very good