G guocx2008 Unregistered / Unconfirmed GUEST, unregistred user! 2003-06-12 #1 怎样封装JBuilder已有的组件，对其添加新的属性，方法，事件，然后做成新的组件？？
N netfool Unregistered / Unconfirmed GUEST, unregistred user! 2003-06-15 #2 inherited from the exists classes, then add properties/events/functions...
