public bool IncludeValuesInErrorMessage { get; set; }Public Property IncludeValuesInErrorMessage As Boolean
	Get
	Set
Dim instance As ValidateEnumValueAttribute
Dim value As Boolean
value = instance.IncludeValuesInErrorMessage
instance.IncludeValuesInErrorMessage = valuepublic:
property bool IncludeValuesInErrorMessage {
	bool get ();
	void set (bool value);
}This property is used when validation fails, and is also checked by the EnumConverter class when conversion fails due to an invalid string value.