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AsimSheikh7AsimSheikh7
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feat: connection through USB port
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6 files changed

+391
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‎ESCPOS_NET.ConsoleTest/ESCPOS_NET.ConsoleTest.csproj‎

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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ApplicationManifest>app.manifest</ApplicationManifest>
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</PropertyGroup>
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<ItemGroup>

‎ESCPOS_NET.ConsoleTest/Program.cs‎

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using System.Runtime.InteropServices;
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using Microsoft.Extensions.Logging;
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using System.Threading;
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using ESCPOS_NET.Printers;
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using ESCPOS_NET.Utils;
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namespace ESCPOS_NET.ConsoleTest
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{
@@ -32,13 +34,15 @@ static void Main(string[] args)
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Console.WriteLine("1 ) Test Serial Port");
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Console.WriteLine("2 ) Test Network Printer");
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Console.WriteLine("3 ) Test Samba-Shared Printer");
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Console.WriteLine("4 ) Test USB Printer");
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Console.Write("Choice: ");
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string comPort = "";
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string ip;
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string networkPort;
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string smbPath;
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string usbPort = string.Empty;
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response = Console.ReadLine();
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var valid = new List<string> { "1", "2", "3" };
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var valid = new List<string> { "1", "2", "3", "4" };
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if (!valid.Contains(response))
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{
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response = "1";
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printer = new SambaPrinter(tempFileBasePath: @"C:\Temp", filePath: smbPath);
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}
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else if (choice == 4)
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{
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
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{
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var usboptions = DeviceFinder.GetDevices();//gets the usb devices connected to the pc
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if (usboptions.Count > 0)
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{
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int i = 0;
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int num = 1;
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while (i < usboptions.Count)
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{
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Console.WriteLine($"{i + num}. Name: {usboptions[i].BusName} S/N: {usboptions[i].SerialNum}");
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i++;
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//serial number and name for printer. Name reported might just be USB Printing Support or something generic
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//the property necessary for printing is Device Path this is just for UI
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}
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Console.Write("Choose Printer (eg. 1): ");
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string c = Console.ReadLine();
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if (int.TryParse(c, out int chosen) && chosen > 0)
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{
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usbPort = usboptions[chosen - 1].DevicePath;
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}
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}
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printer = new USBPrinter(usbPort);
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}
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else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
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{
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Console.Write("File / usb path (eg. /dev/usb/lp0): ");
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usbPort = Console.ReadLine();
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if (string.IsNullOrWhiteSpace(usbPort))
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{
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comPort = "/dev/usb/lp0";
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}
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printer = new FilePrinter(filePath: usbPort, false);
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}
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}
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bool monitor = false;
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Thread.Sleep(500);

‎ESCPOS_NET.ConsoleTest/app.manifest‎

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<?xml version="1.0" encoding="utf-8"?>
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<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
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<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
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<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
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<security>
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<requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
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<!-- UAC Manifest Options
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If you want to change the Windows User Account Control level replace the
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requestedExecutionLevel node with one of the following.
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<requestedExecutionLevel level="asInvoker" uiAccess="false" />
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<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
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<requestedExecutionLevel level="highestAvailable" uiAccess="false" />
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Specifying requestedExecutionLevel element will disable file and registry virtualization.
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Remove this element if your application requires this virtualization for backwards
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compatibility.
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-->
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<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
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</requestedPrivileges>
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</security>
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</trustInfo>
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<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
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<application>
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<!-- A list of the Windows versions that this application has been tested on
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and is designed to work with. Uncomment the appropriate elements
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and Windows will automatically select the most compatible environment. -->
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<!-- Windows Vista -->
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<!--<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />-->
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<!-- Windows 7 -->
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<!--<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />-->
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<!-- Windows 8 -->
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<!--<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />-->
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<!-- Windows 8.1 -->
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<!--<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />-->
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<!-- Windows 10 -->
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<!--<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />-->
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</application>
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</compatibility>
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<!-- Indicates that the application is DPI-aware and will not be automatically scaled by Windows at higher
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DPIs. Windows Presentation Foundation (WPF) applications are automatically DPI-aware and do not need
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to opt in. Windows Forms applications targeting .NET Framework 4.6 that opt into this setting, should
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also set the 'EnableWindowsFormsHighDpiAutoResizing' setting to 'true' in their app.config.
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Makes the application long-path aware. See https://docs.microsoft.com/windows/win32/fileio/maximum-file-path-limitation -->
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<!--
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<application xmlns="urn:schemas-microsoft-com:asm.v3">
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<windowsSettings>
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<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
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<longPathAware xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">true</longPathAware>
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</windowsSettings>
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</application>
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-->
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<!-- Enable themes for Windows common controls and dialogs (Windows XP and later) -->
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<!--
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<dependency>
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<dependentAssembly>
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<assemblyIdentity
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type="win32"
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name="Microsoft.Windows.Common-Controls"
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version="6.0.0.0"
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processorArchitecture="*"
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publicKeyToken="6595b64144ccf1df"
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language="*"
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/>
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</dependentAssembly>
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</dependency>
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-->
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</assembly>

‎ESCPOS_NET/Printers/USBPrinter.cs‎

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using System.IO;
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namespace ESCPOS_NET.Printers
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{
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public class USBPrinter : BasePrinter
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{
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private readonly FileStream _rfile;
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private readonly FileStream _wfile;
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public USBPrinter(string usbPath)
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: base()
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{
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//keeping separate file streams performs better
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//while using 1 file stream printers were having intermittent issues while printing
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//your milege may vary
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_rfile = File.Open(usbPath, FileMode.Open, FileAccess.Read);
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_wfile = File.Open(usbPath, FileMode.Open, FileAccess.Write);
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Writer = new BinaryWriter(_wfile);
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Reader = new BinaryReader(_rfile);
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}
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~USBPrinter()
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{
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Dispose(false);
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}
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protected override void OverridableDispose()
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{
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_rfile?.Close();
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_rfile?.Dispose();
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_wfile?.Close();
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_wfile?.Dispose();
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}
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}
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}

‎ESCPOS_NET/Utils/DeviceDetails.cs‎

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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace ESCPOS_NET.Utils
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{
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public class DeviceDetails
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{
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public string DisplayName { get; set; }
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/// <summary>
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/// DEVPKEY_Device_BusReportedDeviceDesc <see href="https://github.com/tpn/winsdk-10/blob/master/Include/10.0.16299.0/shared/devpkey.h">see reference</see>
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/// </summary>
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public string BusName { get; set; }
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public string SerialNum { get; set; }
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public string DeviceDescription { get; set; }
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public string DevicePath { get; set; }
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public string Manufacturer { get; set; }
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public ushort VID { get; set; }
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public ushort PID { get; set; }
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}
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}

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