public static byte[] DoIO(IntPtr sctp, int command, byte[] data, int[] excpectedReturnCodes) { int ReturnCode = 0; byte[] ResponseBuffer = new byte[512]; int ResponseLength = ResponseBuffer.Length; LowLevelError Error = ScpCommands.sccp_io(sctp, command, data, data.Length, ref ReturnCode, ResponseBuffer, ref ResponseLength); ScpCommands.CheckError(Error); bool ExpectedReturnCodeFound = false; foreach (int ExceptedReturnCode in excpectedReturnCodes) { if (ReturnCode == ExceptedReturnCode) { ExpectedReturnCodeFound = true; break; } } if (ExpectedReturnCodeFound == false) { throw new ScpException((LowLevelError)ReturnCode); } if (ResponseLength > 0) { byte[] ResponseData = new byte[ResponseLength]; Array.Copy(ResponseBuffer, 0, ResponseData, 0, ResponseLength); return(ResponseData); } else { return(null); } }