如何定位用户界面？谢谢

[绿嘉仙]

原来是state属性，Yukee太谢谢了。

各种各样的属性很多

有没有什么书里面详细介绍这些属性的啊

我借的几本书中都没有这些方面的介绍。 

[Yukee]

He he, I don't which material about that tell this details, maybe from LV help.

but " Practise more, you will know more." this is my aphorism !