using System;using System.Collections.Generic;using System.Linq;using System.Windows.Forms;namespace MyWebBrowser{  static class Program  {    /// <summary>    /// 應用程序的主入口點。    /// </summary>    [STAThread]    static void Main()    {      //獲得當前登錄的Windows用戶標示       System.Security.Principal.WindowsIdentity identity = System.Security.Principal.WindowsIdentity.GetCurrent();      System.Security.Principal.WindowsPrincipal principal = new System.Security.Principal.WindowsPrincipal(identity);      //判斷當前登錄用戶是否為管理員       if (principal.IsInRole(System.Security.Principal.WindowsBuiltInRole.Administrator))      {        //如果是管理員，則直接運行         Application.EnableVisualStyles();        Application.SetCompatibleTextRenderingDefault(false);        Application.Run(new Form1());      }      else      {        //創建啟動對象         System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();        //設置運行文件         startInfo.FileName = System.Windows.Forms.Application.ExecutablePath;        //設置啟動動作,確保以管理員身份運行         startInfo.Verb = "runas";        //如果不是管理員，則啟動UAC         System.Diagnostics.Process.Start(startInfo);        //退出         System.Windows.Forms.Application.Exit();      }    }  }}