当程序设计人员透过使用者介面(UI)与面板项目互动时，会设定这个相关联的属性。

When the programmer interacts with the panel item through the user interface (UI), this associated property will be set.

youdao

当程序设计人员透过使用者介面(UI)与面板项目互动时，会设定这个相关联的属性。

When the programmer interacts with the panel item through the user interface (UI), this associated property will be set.

youdao