static void DIVAFILEEncDec(int I, string file, int code) { if (File.Exists(file)) { KKtIO reader = KKtIO.OpenReader(file); string header = reader.ReadString(8); reader.Close(); Console.Clear(); switch (function) { case "3": if (header.ToUpper() == "DIVAFILE") { DIVAFILE.Decrypt(I, file); } else if (code == 1) { Console.WriteLine("This file isn't DIVAFILE, FARC Archive or F2nd/X DSC."); } else { ReturnCode = 81; } break; case "4": if (code != 1) { DIVAFILE.Encrypt(I, file); } break; } } else { Console.WriteLine("File {0} doesn't exist!", file); } }