'宣言 Public Overrides Function validate( _ ByVal value As String, _ ByVal propName As String, _ ByVal instance As Object _ ) As String
'宣言
Public Overrides Function validate( _ ByVal value As String, _ ByVal propName As String, _ ByVal instance As Object _ ) As String
public override string validate( string value, string propName, object instance )
_FontWeightValidator クラス _FontWeightValidator メンバ