C# 将程序添加到启动项 （写入注册表），及从启动项中删除

#region 将程序添加到启动项
       /// <summary>
       /// 注册表操作，将程序添加到启动项
       /// </summary>
       public static void SetRegistryApp()
       {
           try
           {
               Microsoft.Win32.RegistryKey Reg;
               string ShortFileName = Application.ProductName;
               Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
               if (Reg == null)
               {
                   Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run");
               }
               Reg.SetValue(ShortFileName, Application.ExecutablePath);
           }
           catch (Exception ex)
           {
               MessageBox.Show(ex.Message);
           }
       }
       #endregion

       #region 将程序从启动项中删除
       /// <summary>
       /// 注册表操作，删除注册表中启动项
       /// </summary>
       public static bool DeleteRegisterApp()
       {
           string ShortFileName = Application.ProductName;           //获得应用程序名

           try
           {
               Microsoft.Win32.RegistryKey Reg;
               Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
               if (Reg == null)
               {
                   Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run");
               }
               Reg.DeleteValue(ShortFileName, false);
           }
           catch (Exception ex)
           {
               return false;
           }

           return true;
       }
       #endregion

       /// <summary>
       ///     检查当前程序是否在启动项中
       /// </summary>
       /// <returns></returns>
       public static bool CheckExistRegisterApp()
       {
           string ShortFileName = Application.ProductName;           //获得应用程序名
           bool bResult = false;

           try
           {
               Microsoft.Win32.RegistryKey Reg;
               Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
               if (Reg == null)
               {
                   Reg = Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run");
               }

               foreach (string s in Reg.GetValueNames())
               {
                   if (s.Equals(ShortFileName))
                   {
                       bResult = true;
                       break;
                   }
               }
           }
           catch (Exception ex)
           {
               return false;
           }

           return bResult;
       }