C#判断程序是不是以管理员身份运行否则以管理员身份重新打开

C#判断程序是否以管理员身份运行，否则以管理员身份重新打开
/// summary
/// 判断程序是否是以管理员身份运行。
/// /summary
public static bool IsRunAsAdmin(){WindowsIdentity id = WindowsIdentity.GetCurrent();
WindowsPrincipal principal = new WindowsPrincipal(id);
return principal.IsInRole(WindowsBuiltInRole.Administrator);}//不是以管理员身份开启，则自动以管理员身份重新打开程序
//写在构造里比较省资源

网页链接

public bool IsAdministrator()
        {
            WindowsIdentity identity = WindowsIdentity.GetCurrent();
            WindowsPrincipal principal = new WindowsPrincipal(identity);
            return principal.IsInRole(WindowsBuiltInRole.Administrator);
        }
        public void RunAdmin()
        {
            try
            {
                //判断是否以管理员身份运行，不是则提示
                if (!IsAdministrator())
                {
                    ProcessStartInfo psi = new ProcessStartInfo();
                    psi.WorkingDirectory = Environment.CurrentDirectory;
                    psi.FileName = Application.ExecutablePath;
                    psi.UseShellExecute = true;
                    psi.Verb = "runas";
                    Process p = new Process();
                    p.StartInfo = psi;
                    p.Start();
                    Process.GetCurrentProcess().Kill();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show("Error: "+ex.Message);
            }
        }
        调用: RunAdmin();