The association of the control builder type with a custom control is obtained by preceding the custom control builder class with the following attribute definition 通过在自定义控件生成器之前添加以下属性定义,可获得控件生成器类型与自定义控件的关联:
You can only add one custom attribute set of a particular attributes definition to an object , but you can have as many different attribute sets from different definitions as needed 你能仅仅添加把定义的特殊属性的自定义属性装置放置到一个对象,但是你能同有从不同的定义有很多不同的属性装置以至你需要。