EnumExInEnumTEnum 方法

public static Func<bool> InEnum<TEnum>(
	this string dataToCheck
)
where TEnum : struct, new()

<ExtensionAttribute>
Public Shared Function InEnum(Of TEnum As {Structure, New}) ( 
	dataToCheck As String
) As Func(Of Boolean)

[<ExtensionAttribute>]
static member InEnum : 
        dataToCheck : string -> Func<bool>  when 'TEnum : struct, new()