private void button1_Click(object sender, EventArgs e) { // Create an instance( LabelPrinter class ) LabelPrinter printer = new LabelPrinter(); // Get Type int type = (int)comboBox1.SelectedValue; // Get Address String addr = txt_Address.Text; // Set COMM Properties( COMM only ) if (LabelConst.CLS_PORT_COM == type) { printer.SetCommProperties(LabelConst.CLS_COM_BAUDRATE_9600, LabelConst.CLS_COM_PARITY_NONE, LabelConst.CLS_COM_HANDSHAKE_DTRDSR); } // Connect printer int result = printer.Connect(type, addr); if (LabelConst.CLS_SUCCESS == result) { // Printer Check result = printer.PrinterCheck(); // Disconnect printer.Disconnect(); if (LabelConst.CLS_SUCCESS == result) { String msg = "PrinterCheck() : Success\n"; // CommandInterpreterInAction int status = printer.GetCommandInterpreterInAction(); msg += "\n CommandInterpreterInAction -> " + status; // PaperError status = printer.GetPaperError(); msg += "\n PaperError -> " + status; // RibbonEnd status = printer.GetRibbonEnd(); msg += "\n RibbonEnd -> " + status; // BatchProcessing status = printer.GetBatchProcessing(); msg += "\n BatchProcessing -> " + status; // Printing status = printer.GetPrinting(); msg += "\n Printing -> " + status; // Pause status = printer.GetPause(); msg += "\n Pause -> " + status; // WaitingForPeeling status = printer.GetWaitingForPeeling(); msg += "\n WaitingForPeeling -> " + status; // PrintHeadLowTemp status = printer.GetPrintHeadLowTemp(); msg += "\n PrintHeadLowTemp -> " + status; // PrintHeadFailure status = printer.GetPrintHeadFailure(); msg += "\n PrintHeadFailure -> " + status; // PrintHeadOverheat status = printer.GetPrintHeadOverheat(); msg += "\n PrintHeadOverheat -> " + status; // MechanismOpen status = printer.GetMechanismOpen(); msg += "\n MechanismOpen -> " + status; // AutoCutterError status = printer.GetAutoCutterError(); msg += "\n AutoCutterError -> " + status; // FanMotorError status = printer.GetFanMotorError(); msg += "\n FanMotorError -> " + status; // MiscError status = printer.GetMiscError(); msg += "\n MiscError -> " + status; // Show Status MessageBox.Show(msg, "Citizen_Label_sample", MessageBoxButtons.OK, MessageBoxIcon.None); } else { // Printer Check Error MessageBox.Show("PrinterCheck Error : " + result.ToString(), "Citizen_Label_sample", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { // Connect Error MessageBox.Show("Connect Error : " + result.ToString(), "Citizen_Label_sample", MessageBoxButtons.OK, MessageBoxIcon.Error); } }