获取项目中的所有ENUM对象 [英] Get all ENUM objects in project

问题描述

我在项目的任何地方都有一些枚举对象。它们具有相同的功能。如何找到所有带过滤器的枚举对象。我不确定过滤器，但我认为我们可以为Enum对象添加一个属性，并根据该属性添加过滤器类型。

I have some enum objects at anywhere in my project. They are in same feature. How can I find all enum objects with filter. I don't sure about the filter, but I think we can add an attribute for Enum object and filter type base on the attribute.

例如，我有2个枚举2类中的对象：

For example, I have 2 enum objects in 2 class:

public class FirstClass
{
    [HelloWord]
    public enum FirstEnum
    {
        View = 1,
        Edit = 2
    }
}

public class SecondClass
{
    [HelloWord]
    public enum SecondEnum
    {
        Good,
        Bad
    }
}

因此，我想列出项目中所有包含属性[HelloWorld]的枚举对象。我该怎么办？

So, I want to list all enum object in project that contain attribute [HelloWorld]. How can I do that?

推荐答案

这是一个Linq表达式，它将遍历所有枚举类型并包含您的自定义'HelloWorld'属性。

Here is a Linq expression that will loop over all the types which are both enums and have your custom 'HelloWorld' attribute on them.

foreach(Type enumType in Assembly.GetExecutingAssembly().GetTypes()
                        .Where(x => x.IsSubclassOf(typeof(Enum)) &&
                               x.GetCustomAttribute<HelloWorldAttribute>() != null))
{
    Console.WriteLine(enumType.Name);
}

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