代码为上课练习使用的RFID读卡器使用！

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO.Ports;
using System.Collections;
using System.Runtime.InteropServices;
using ISO15693DLL;/*引用命名空间！*/
namespace RFID读写
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{ISO15693DLL.ISO15693Reader reader = new ISO15693DLL.ISO15693Reader();/*创建实例*/int a = 0;/*定义一个变量用于后方判断读取成功提示信息框的数量。*/public MainWindow(){InitializeComponent();MessageBox.Show("欢迎使用本读卡器 V0.0.1 Beta\n当前仅支持ISO15693卡片读取\nMade by Cjw", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Information);}private void RB_ck_Click(object sender, RoutedEventArgs e){if(RB_ck.IsChecked==true)/*判断串口单选框是否被选定，如果被选定则将按钮内容修改*/{Button_Open.Content = ("打开串口");Button_Close.Content = ("关闭串口");}}private void RB_USB_Checked(object sender, RoutedEventArgs e)/*判断USB单选框是否被选择，如果被选择，则按钮内容修改。*/{if (RB_USB.IsChecked == true){Button_Open.Content = ("打开USB口");Button_Close.Content = ("关闭USB口");}}private void Button_Open_Click(object sender, RoutedEventArgs e){/*判断，如果当前选定为串口，因为我没有写串口，所以，报错！*/if(Button_Open.Content.ToString()=="打开串口"){MessageBox.Show("当前暂时不支持串口功能！","Cjw提示",MessageBoxButton.OK,MessageBoxImage.Error);}else/*打开的是USB口，如果返回0x00则为成功，否则失败*/if(reader.OpenHIDDevice()==0x00){MessageBox.Show("打开USB口成功","Cjw提示",MessageBoxButton.OK,MessageBoxImage.Information);Button_Open.Content = "USB口已打开";Button_Open.IsEnabled = false;Button_Close.IsEnabled = true;Button_Read.IsEnabled = true;}elseMessageBox.Show("打开USB口失败\n请检查数据线是否连接好", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Error);}private void Button_Read_Click(object sender, RoutedEventArgs e){   /*定义一个变量用于存放返回卡片的数量*/Int32 TagCount=0;/*定义一个字符串*/String[] TagNumber = new String[1];if (reader.Inventory(ModulateMethod.ASK, InventoryModel.Single, ref TagCount, ref TagNumber)==0x00){Card_Numberbox.Text=TagNumber[0];if (a == 3)Mess.Visibility = Visibility.Visible;if (Mess.IsChecked==false)MessageBox.Show("读取成功！", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Information);CardId.Items.Add(DateTime.Now.ToLongTimeString().ToString()+"  "+TagNumber[0]);a++;}else{MessageBox.Show("读取失败！\n请检查卡片是否放稳或卡片协议是否为ISO15693", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Error);Card_Numberbox.Text = ("读取失败！请检查卡片是否放稳!");}}private void Button_Close_Click(object sender, RoutedEventArgs e){if(Button_Close.Content.ToString()=="关闭USB口")if (reader.CloseHIDDevice()==0x00) /*同理，调用关闭USB口方法，*/{MessageBox.Show("关闭USB口成功", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Information);Button_Open.Content = "打开USB口";Button_Open.IsEnabled = true;Button_Close.IsEnabled = false;Button_Read.IsEnabled = false;}elseMessageBox.Show("关闭USB口失败", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Error);}private void Button_Click(object sender, RoutedEventArgs e){Clipboard.SetDataObject(Card_Numberbox.Text);MessageBox.Show("已成功复制到剪贴板！", "Cjw提示", MessageBoxButton.OK, MessageBoxImage.Information);}}}