public ref class RNGCryptoServiceProvider sealed : System::Security::Cryptography::RandomNumberGenerator public sealed class RNGCryptoServiceProvider : System.Security.Cryptography.RandomNumberGenerator [System.Obsolete("RNGCryptoServiceProvider is obsolete. To generate a random number, use one of the RandomNumberGenerator static methods instead.", DiagnosticId="SYSLIB0023", UrlFormat="https://aka
![RNGCryptoServiceProvider クラス (System.Security.Cryptography)](https://cdn-ak-scissors.b.st-hatena.com/image/square/d6e4cb632c7025e9f5e05fd314fbf6dcd6144e8d/height=288;version=1;width=512/https%3A%2F%2Flearn.microsoft.com%2Fen-us%2Fmedia%2Fopen-graph-image.png)