C＃中：从另一个类访问枚举 [英] C#: Access Enum from another class

问题描述

我知道我可以把我的枚举在类的命名空间区域，这样每个人都可以访问它在同一个命名空间中。

I know I can put my enum at the Namespace area of a class so everyone can access it being in the same namespace.

// defined in class2
public enum Mode { Selected, New, }  

什么我想是从

public class1
{
   var class2 = new class2();
   // Set the Mode
   class2.Mode = Model.Selected
}

不使用空间面积这在某种程度上可能吗？

Is this somehow possible without using namespace area?

推荐答案

如果你正在尝试做在它下面会怎样描述不行......

If you are trying to do what is described below it will not work...

    public class MyClass1
    {
        private enum Mode { New, Selected };
        public Mode ModeProperty { get; set; }
    }

    public class MyClass2
    {
        public MyClass2()
        {
            var myClass1 = new MyClass1();

            //this will not work due to protection level
            myClass1.ModeProperty = MyClass1.Mode.
        }
    }

下面是什么，但是你可以做，这将工作...

What you could do however is below, which will work...

    public interface IEnums
    {
        public enum Mode { New, Selected };
    }

    public class MyClass1
    {
        public IEnums.Mode ModeProperty { get; set; }
    }

    public class MyClass2
    {
        public MyClass2()
        {
            var myClass1 = new MyClass1();

            //this will work
            myClass1.ModeProperty = IEnums.Mode.New;
        }
    }

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