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This is probably best shown with an example. I have an enum with attributes: public enum MyEnum { [CustomInfo("This is a custom attrib")] None = 0, [CustomInfo("This is another attrib")] ValueA, [CustomInfo("This has an extra flag", AllowSomething = true)] ValueB, } I want to get to those attributes from an instance: public CustomInfoAttribute GetInfo( MyEnum enumInput ) { Type typeOfEnum = enumInput.GetType(); //this will be typeof( MyEnum ) //here is the problem, GetField takes a string // the .ToString() on enums is very slow FieldInfo fi = typeOfEnum.GetField( enumInput.ToString() ); //get the attribute from the field return fi.GetCustomAttributes( typeof( CustomInfoAttribute ), false ). FirstOrDefault() //Linq method to get first or null as CustomInfoAttribute; //use as operator to convert } As this is using reflection I expect some slowness, but it seems messy to convert the enum value to a string (which reflects the name) when I already have an instance of it. Does anyone have a better way?

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