public RijndaelDecryptTransformVM(string filePath, string decryptFilePath, byte[] key, Rijndael_.Size blockSize, bool isDeleteAfter, bool multithread = false) : base(isDeleteAfter, CryptoDirection.Decrypt) { CryptoName = "Rijndael"; SourceFilePath = filePath; DestFilePath = decryptFilePath; if (multithread) { StartMultithread(Rijndael_.GetNice(key, blockSize, CryptoDirection.Decrypt)); } else { Start(Rijndael_.Get(key, blockSize, CryptoDirection.Decrypt)); } }