我要宣布一个新的枚举与非默认的基本类型。这工作：

I want to declare a new enum with non-default underlying type. This works:

public enum MyEnum : short
{ A, B, C, }

但我不明白为什么这不能编译：

But I don't understand the reason why this doesn't compile:

public enum MyEnum : System.Int16
{ A, B, C, }

编译器说：

类型字节，为sbyte，总之，USHORT，INT，   UINT，长或ulong预期

Type byte, sbyte, short, ushort, int, uint, long, or ulong expected

据我所知，总之是所有的.NET版本（32/64位口味在内）的别名Int16的。我不明白为什么编译器给出了不同的含义，在特定情况下的别名。

I understand that short is an alias for Int16 on all .NET versions (32/64 bit flavors included). I don't see why the compiler gives a different meaning to the alias in that particular case.

任何解释？

推荐答案

的语法是正确的。 C＃规范明确指出，枚举的基础类型必须是字节，为sbyte，总之，USHORT，INT，UINT，长或ulong的。

The syntax is correct. C# specification explicitly states that the enum's underlying type must be byte, sbyte, short, ushort, int, uint, long or ulong.

读什么微软表示，这个这里。

Read what Microsoft says about this here.