If you want to allow developers to access the constituent controls, you must declare them as public, or selectively expose properties of the constituent control.
如果要使开发人员得以访问构成控件，则必须将它们声明为公共的，或有选择地公开其属性。
If you want to allow developers to access the constituent controls, you must declare them as public, or selectively expose properties of the constituent control.
如果要使开发人员得以访问构成控件，则必须将它们声明为公共的，或有选择地公开其属性。
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