在int C中枚举枚举 [英] Cast int to enum in C#

问题描述

如何将 int 转换为C＃中的枚举？

How can an int be cast to an enum in C#?

推荐答案

从字符串：

YourEnum foo = (YourEnum) Enum.Parse(typeof(YourEnum), yourString);
// the foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
  throw new InvalidOperationException($"{yourString} is not an underlying value of the YourEnum enumeration.")

从一个int：

YourEnum foo = (YourEnum)yourInt;

更新：

从号码还可以

YourEnum foo = (YourEnum)Enum.ToObject(typeof(YourEnum) , yourInt);

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