/// <summary>
        /// Sample : Display text.
        /// </summary>
        public static Communication.PeripheralStatus DoTextPattern(DisplayFunctionManager.TextPattern pattern, IPort port)
        {
            // Check display status.
            Communication.PeripheralStatus status = GetDiaplayStatus(port);

            if (status != Communication.PeripheralStatus.Connect) // Display is not connected.
            {
                return(status);
            }

            // Create display commands.
            byte[] displayCommands = DisplayFunctions.CreateTextPattern(pattern);

            // Send display commands.
            CommunicationResult result = Communication.SendCommandsDoNotCheckCondition(displayCommands, port);

            if (result.Result != Communication.Result.Success)
            {
                return(Communication.PeripheralStatus.Impossible);
            }
            else
            {
                return(Communication.PeripheralStatus.Connect);
            }
        }
        public static byte[] CreateTextPattern(DisplayFunctionManager.TextPattern pattern)
        {
            IDisplayCommandBuilder builder = StarIoExt.CreateDisplayCommandBuilder(DisplayModel.SCD222);

            builder.AppendClearScreen();
            builder.AppendCursorMode(DisplayCursorMode.Off);
            builder.AppendHomePosition();

            byte[] textPattern;

            switch (pattern)
            {
            default:
            case DisplayFunctionManager.TextPattern.Pattern1:
                textPattern = new byte[] {
                    0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33,
                    0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47
                };
                break;

            case DisplayFunctionManager.TextPattern.Pattern2:
                textPattern = new byte[] {
                    0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b,
                    0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f
                };
                break;

            case DisplayFunctionManager.TextPattern.Pattern3:
                textPattern = new byte[] {
                    0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83,
                    0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97
                };
                break;

            case DisplayFunctionManager.TextPattern.Pattern4:
                textPattern = new byte[] {
                    0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab,
                    0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf
                };
                break;

            case DisplayFunctionManager.TextPattern.Pattern5:
                textPattern = new byte[] {
                    0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3,
                    0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7
                };
                break;

            case DisplayFunctionManager.TextPattern.Pattern6:
                textPattern = new byte[] {
                    0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
                    0xfc, 0xfd, 0xfe, 0xff, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20
                };
                break;
            }

            builder.Append(textPattern);

            return(builder.PassThroughCommands);
        }