c# 枚举返回字符串操作

//内部类
public static class EnumHelper
{
public static string GetDescription(Enum value)
{
if (value == null)
{
throw new ArgumentException("value");
}
string description = value.ToString();
var fieldInfo = value.GetType().GetField(description);
var attributes =
(EnumDescriptionAttribute[]) fieldInfo.GetCustomAttributes(typeof (EnumDescriptionAttribute), false);
if (attributes != null && attributes.Length > 0)
{
description = attributes[0].Description;
}
return description;
}
}

// 枚举定义
//  调用方法
String strKufen = EnuHelper.GetDescription(MessageInfo.Send);
public enum MessageInfo
{
[EnumDescription("Send")]
Send,
[EnumDescription("Received")]
Received
}

[AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
public sealed class EnumDescriptionAttribute : Attribute
{
private string description;
public string Description { get { return description; } }

public EnumDescriptionAttribute(string description)
: base()
{
this.description = description;
}
}