Demonstrates how to implement a custom collection editor that allows items of a given type to be added to a collection at design time.

第二个则会示范如何实作自订集合编辑器，让指定型别之项目可以在设计阶段加入集合中。

youdao

Demonstrates how to implement a custom collection editor that allows items of a given type to be added to a collection at design time.

第二个则会示范如何实作自订集合编辑器，让指定型别之项目可以在设计阶段加入集合中。

youdao