运行时设计控件的一个小例子，用数据库保存控件的属性！-runtime component design a small example of the use of databases to preserve control attributes!

Delphi运行时设计，绝对全部开放的源码，包括Demo,RttiDesign.pas为控件单元。-Delphi run-time design, absolutely all open source, including Demo, RttiDesign.pas for the control unit.