public ref class ProtectedData abstract sealed public ref class ProtectedData sealed public static class ProtectedData public sealed class ProtectedData type ProtectedData = class Public Class ProtectedData Public NotInheritable Class ProtectedData 継承 例 次の例は、データ保護の使用方法を示しています。 #using <System.Security.dll> using namespace System; using namespace System::Security::Cryptography; public ref class Data