主要实现不同数据库之间的转化，不同数据库与ＶＳ之间的连接。简单的ＡＤＯ编程，创建多线程，最终实现转库功能。-Mainly to achieve the conversion between different databases, different database and the connection between VS. Simple ADO programming, creating multi-threaded, and ultimately turn library functio

在一个多线程的应用程序中创建一个TThread的后子类代表一个线程。每一新子类的TThread对象的实例是一个新的线程。从TThread派生的多线程实例可以构成Delphi的多线程应用程序。 -Create a TThread in a multi-threaded application on behalf of a thread after a subclass. Examples of each new subclass TThread object is a new thread.