C#获取软件产品是否注册（wpf）

【实例简介】

获取系统注册码

【实例截图】

【核心代码】

using Prism.Commands;
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 Prism.Mvvm;
using System.Reflection;
using System.IO;
using System.Xml.Linq;
using Microsoft.Win32;

namespace AppBindingPC
{
    class MainWindowViewModel : BindableBase
    {
        public MainWindowViewModel()
        {
            #region 命令初始化
            this.ContentRenderedCommand = new DelegateCommand(new Action(this.ContentRenderedExecute));
            this.RegisterCommand = new DelegateCommand(new Action(this.RegisterExecute));
            this.GetAPPKeyCommand = new DelegateCommand(new Action(this.GetAPPKeyExecute));
            this.RefreshCommand = new DelegateCommand(new Action(this.RefreshExecute));//初始化命令
            #endregion

        }

        #region 依赖属性
        private string log;
        public string Log
        {
            get { return log; }
            set
            {
                log = value;
                this.RaisePropertyChanged("Log");
            }
        }

        private string pcguid;
        public string PCGuid
        {
            get { return pcguid; }
            set
            {
                pcguid = value;
                this.RaisePropertyChanged("PCGuid");
            }
        }

        private string appkey;
        public string APPKey
        {
            get { return appkey; }
            set
            {
                appkey = value;
                this.RaisePropertyChanged("APPKey");
            }
        }
        #endregion

        #region 委托事件
        public DelegateCommand RegisterCommand { get; set; }//注册产品
        public DelegateCommand ContentRenderedCommand { get; set; }//程序初始化
        public DelegateCommand GetAPPKeyCommand { get; set; }
        public DelegateCommand RefreshCommand { get; set; }
        #endregion

        #region 委托事件的处理方法

        //初始化事件
        private void ContentRenderedExecute()
        {
            RegistryKey key = Registry.LocalMachine;//注册表，本地计算机的配置数据
            RegistryKey software = key.OpenSubKey("software\\AppBindingPC",true);//这里AppBindingPC是程序名，可以随意取
            if (software == null)
            {
                software = key.CreateSubKey("software\\AppBindingPC");//创建目录
            }
            if(software.GetValue("PCGUID") == null)
            {
                software.SetValue("PCGUID", Guid.NewGuid().ToString());//创建键值
            }
            PCGuid = software.GetValue("PCGUID").ToString();//读取键值

            string xmlpath = Directory.GetCurrentDirectory()   "\\Data\\Settings.xml";//保存授权码的xml文件路径
            XElement Settings_XML = XElement.Load(xmlpath);//解析成xml
            APPKey = Settings_XML.Element("APPKey").Value.ToString();//读取授权码

            if (APPKey.Equals(MD5Str.MD5(PCGuid)))
            {
                Log = "产品已激活";
            }
            else
            {
                Log = "产品未注册";
            }
        }

        //注册产品
        private void RegisterExecute()
        {
            RegisterAPP reg = new RegisterAPP();
            reg.Show();
        }

        //计算授权码
        private void GetAPPKeyExecute()
        {
            APPKey = MD5Str.MD5(PCGuid);
        }


        //刷新界面
        private void RefreshExecute()
        {
            ContentRenderedExecute();
        }
        #endregion


    }

}