a

ScanBox/Controller/DbController.cs

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+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.OleDb;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ScaBox30.Controller
+{
+    internal class DbController
+    {
+        private string _path;
+        private OleDbConnection _connection;
+        private OleDbCommand _command;
+        private OleDbDataReader _reader;
+
+
+
+        public void SetWorkingDb(string path)
+        {
+            _path = path;
+        }
+
+
+        public void Open()
+        {
+            _connection = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0;" + "Data Source=" + _path);
+            try
+            {
+                _connection.Open();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+        }
+
+
+        public void Close()
+        {
+            try
+            {
+                _connection.Close();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+        }
+
+
+        public OleDbDataReader Query(string query)
+        {
+            try
+            {
+                _command = new OleDbCommand(query, _connection);
+                _reader = _command.ExecuteReader();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+            return _reader;
+        }
+
+
+        public void InsertQuery(String query)
+        {
+            try
+            {
+                _command = new OleDbCommand(query, _connection);
+                _command.ExecuteNonQuery();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e);
+            }
+        }
+
+
+
+    }
+}

ScanBox/Controller/NetworkDiscoveryHandler.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Zebra.Sdk.Printer.Discovery;
+
+namespace ScaBox30
+{
+    //CLASE ZEBRA PARA LA BUSQUEDA DE IMPRESORAS EN LA RED
+    class NetworkDiscoveryHandler : DiscoveryHandler
+    {
+
+        private bool discoveryComplete = false;
+        public List<DiscoveredPrinter> printers = new List<DiscoveredPrinter>();
+
+        public void DiscoveryError(string message)
+        {
+            Console.WriteLine($"An error occurred during discovery: {message}.");
+            discoveryComplete = true;
+        }
+
+        public void DiscoveryFinished()
+        {
+            foreach (DiscoveredPrinter printer in printers)
+            {
+                Console.WriteLine(printer);
+            }
+            Console.WriteLine($"Discovered {printers.Count} Link-OS(TM) printers.");
+            discoveryComplete = true;
+        }
+
+        public void FoundPrinter(DiscoveredPrinter printer)
+        {
+            printers.Add(printer);
+        }
+
+        public bool DiscoveryComplete
+        {
+            get => discoveryComplete;
+        }
+    }
+}

ScanBox/Controller/ZebraController.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using Zebra.Sdk.Comm;
+using Zebra.Sdk.Printer.Discovery;
+
+// *************************************
+// * Angel Ivan 07/Nov/2024
+// *************************************
+
+namespace ScaBox30.Controller
+{
+    class ZebraController
+    {
+        String prnfile = "";
+        String prnpath = Application.StartupPath + "\\";
+        string etiqueta;
+        StreamReader reader;
+
+        public ZebraController(String prnpath)
+        {
+            this.prnpath += prnpath;
+        }
+
+
+        #region ZEBRA -> initDiscovery()
+        public void initDiscovery()
+        {
+            NetworkDiscoveryHandler discoveryHandler = new NetworkDiscoveryHandler();
+            try
+            {
+                Console.WriteLine("Starting printer discovery.");
+                NetworkDiscoverer.FindPrinters(discoveryHandler);
+                while (!discoveryHandler.DiscoveryComplete)
+                {
+                    System.Threading.Thread.Sleep(10);
+                }
+            }
+            catch (DiscoveryException e)
+            {
+                Console.WriteLine(e.ToString());
+            }
+
+        }
+        #endregion
+
+        #region ZEBRA -> buildPrn()
+        public void buildPrn(String v1, String v2, String v3, String barcode)
+        {
+            try
+            {
+                etiqueta = "";
+                reader = new StreamReader(prnpath);
+                prnfile = reader.ReadToEnd();
+                reader.Close();
+            }
+            catch (IOException)
+            {
+                MessageBox.Show("No se ha podido abrir la plantilla de impresión\n" + prnpath, "Error de impresión", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+
+
+            string[] lines = prnfile.Split(new string[] { "\r\n", "\r", "\n" }, StringSplitOptions.None);
+
+            foreach (string line in lines)
+            {
+                if (line.Contains("$V1$"))
+                {
+                    /*Falta el dato desde master_codigos.csv posiblemente*/
+                    etiqueta += v1 != null ? line.Replace("$V1$", v1) : line.Replace("$V1$", "null");
+                }
+                else if (line.Contains("$V2$"))
+                {
+                    etiqueta += v2 != null ? line.Replace("$V2$", v2) : line.Replace("$V2$", "null" + " / " + "null");
+                }
+                else if (line.Contains("0000000000"))
+                {
+                    etiqueta += !barcode.Contains("-") ? line.Replace("0000000000", barcode) : line.Replace("0000000000", "0000000000");
+                }
+                else if (line.Contains("$V3$"))
+                {
+                    etiqueta += line.Replace("$V3$", v3);
+                }
+                else
+                {
+                    etiqueta += line;
+                }
+
+
+            }
+
+
+
+        }
+        #endregion
+
+        #region ZEBRA -> SendZplOverTcp(string theIpAddress)
+        public void SendZplOverTcp(string theIpAddress)
+        {
+            // Instantiate connection for ZPL TCP port at given address
+            Connection thePrinterConn = new TcpConnection(theIpAddress, TcpConnection.DEFAULT_ZPL_TCP_PORT);
+
+            try
+            {
+                // Open the connection - physical connection is established here.
+                thePrinterConn.Open();
+
+                //se obtiene la plantilla de la etiqueta y se reemplazan los valores
+                //readprn();
+
+                // This example prints "This is a ZPL test." near the top of the label.
+                //string zplData = "^XA^FO20,20^A0N,25,25^FDThis is a ZPL test.^FS^XZ";
+                string zplData = etiqueta;
+
+                // Send the data to printer as a byte array.
+                thePrinterConn.Write(Encoding.UTF8.GetBytes(zplData));
+            }
+            catch (ConnectionException e)
+            {
+                Console.WriteLine(e.ToString());
+            }
+            finally
+            {
+                // Close the connection to release resources.
+                thePrinterConn.Close();
+            }
+        }
+        #endregion
+
+        #region SendZplOverUsb(string usbDriverName)
+        public void SendZplOverUsb(string usbDriverName)
+        {
+            Connection thePrinterConn = null;
+            try
+            {
+                // Instantiate USB connection for ZPL printer through its driver
+                thePrinterConn = ConnectionBuilder.Build($"USB:{usbDriverName}");
+
+                // Open the connection - physical connection is established here.
+                thePrinterConn.Open();
+
+                //se obtiene la plantilla de la etiqueta y se reemplazan los valores
+                //readprn();
+
+                // This example prints "This is a ZPL test." near the top of the label.
+                string zplData = "^XA^FO20,20^A0N,25,25^FDThis is a ZPL test.^FS^XZ";
+                //string zplData = etiqueta;
+
+                // Send the data to printer as a byte array.
+                thePrinterConn.Write(Encoding.UTF8.GetBytes(zplData));
+            }
+            catch (ConnectionException e)
+            {
+                // Handle communications error here.
+                Console.WriteLine(e.ToString());
+            }
+            finally
+            {
+                // Close the connection to release resources.
+                if (thePrinterConn != null)
+                {
+                    thePrinterConn.Close();
+                }
+            }
+        }
+        #endregion
+    }
+
+}
+