MultichannelTcpConnection Class

public class MultichannelTcpConnection : MultichannelConnection

Public Class MultichannelTcpConnection
	Inherits MultichannelConnection

public ref class MultichannelTcpConnection : public MultichannelConnection

using System;
using Zebra.Sdk.Comm;
using Zebra.Sdk.Printer;

public class MultichannelTcpConnectionExample {

    public static void Main(string[] args) {
        new MultichannelTcpConnectionExample().SimpleExample("1.2.3.4");
        new MultichannelTcpConnectionExample().NonBlockingStatusReporting("1.2.3.4");
    }

    private void SimpleExample(string theIpAddress) {
        // Instantiate Multichannel connection for simultaneous printing and status reporting at given address
        Connection thePrinterConn = new MultichannelTcpConnection(theIpAddress, MultichannelTcpConnection.DEFAULT_MULTICHANNEL_PRINTING_PORT, MultichannelTcpConnection.DEFAULT_MULTICHANNEL_STATUS_PORT);

        try {
            // Opens the connection - physical connection is established here.
            thePrinterConn.Open();

            // Creates a Link-OS printing with the given connection
            ZebraPrinterLinkOs linkOsPrinter = ZebraPrinterFactory.GetLinkOsPrinter(thePrinterConn);

            // This is sent over the printing channel (9100 by default)
            linkOsPrinter.PrintConfigurationLabel();

            // This is sent over the status channel (9200 by default)
            PrinterStatus status = linkOsPrinter.GetCurrentStatus();

            Console.WriteLine("The printer PAUSED state is : " + status.isPaused);
        } catch (ConnectionException e) {
            // Handle communications error here.
            Console.WriteLine(e.ToString());
        } finally {
            // Close the connection to release resources.
            thePrinterConn.Close();
        }
    }

    private void NonBlockingStatusReporting(string theIpAddress) {
        // Instantiate Multichannel connection for simultaneous printing and status reporting at given address
        Connection thePrinterConn = new MultichannelTcpConnection(theIpAddress, MultichannelTcpConnection.DEFAULT_MULTICHANNEL_PRINTING_PORT, MultichannelTcpConnection.DEFAULT_MULTICHANNEL_STATUS_PORT);

        try {
            // Opens the connection - physical connection is established here.
            thePrinterConn.Open();

            // Creates a Link-OS printing with the given connection
            ZebraPrinterLinkOs linkOsPrinter = ZebraPrinterFactory.GetLinkOsPrinter(thePrinterConn);

            // This is sent over the printing channel (9100 by default) and will block the printing channel until the
            // label format is completely sent.
            string labelFormatStartCommand = "^XA";
            linkOsPrinter.SendCommand(labelFormatStartCommand);

            string labelBody = "^FO20,20^A0N,25,25^FDThis is a ZPL test.^FS";
            linkOsPrinter.SendCommand(labelBody);

            // This is sent over the status channel (9200 by default) and will return immediately even though the
            // printing channel is in use.
            // If a TcpConnection were used instead of a MultichannelTcpConnection, this would not be possible.
            PrinterStatus status = linkOsPrinter.GetCurrentStatus();

            Console.WriteLine("The printer PAUSED state is : " + status.isPaused);

            // Send the end of label command to finish and print the label.
            string labelFormatEndCommand = "^XZ";
            linkOsPrinter.SendCommand(labelFormatEndCommand);
        } catch (ConnectionException e) {
            // Handle communications error here.
            Console.WriteLine(e.ToString());
        } finally {
            // Close the connection to release resources.
            thePrinterConn.Close();
        }
    }
}