界面的私有成员 [英] Private members of the interface

问题描述

如果在我的程序中我有该接口，则它的所有成员都是隐含的 public .在实现该接口的类中，我也必须将该成员(属性)设为 public .

If in my program I have the interface, then all it's members are public implicitly. And in the class, which implements that interface, I must make that members (properties) public too.

有什么办法使其成为私有?

推荐答案

是否可以将接口实现私有化?

Is it any way to make an interface implementation private?

不是完全的 私有-接口表示一组公共的方法和属性.无法将接口实现私有化.

Not completely private - an interface represents a public set of methods and properties. There is no way to make interface implementations private.

您可以 做的是使实现 explicit :

public interface IFoo
{
   void Bar();
}

public class FooImpl
{
    void IFoo.Bar()
    {
       Console.WriteLine("I am somewhat private.")
    }

    private void Bar()
    {
       Console.WriteLine("I am private.")
    }

}

现在，调用 IFoo.Bar()的唯一方法是通过接口显式:

Now the only way to call IFoo.Bar() is explicitly through the interface:

FooImpl f = new FooImpl();
f.Bar();   // compiler error
((IFoo)f).Bar();

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