public ValidationError(
	Validator validator,
	ValidationContext context,
	string message = null,
	string key = null
)

Public Sub New ( 
	validator As Validator,
	context As ValidationContext,
	Optional message As String = Nothing,
	Optional key As String = Nothing
)

public:
ValidationError(
	Validator^ validator, 
	ValidationContext^ context, 
	String^ message = nullptr, 
	String^ key = nullptr
)

new : 
        validator : Validator * 
        context : ValidationContext * 
        ?message : string * 
        ?key : string 
(* Defaults:
        let _message = defaultArg message null
        let _key = defaultArg key null
*)
-> ValidationError