프로그램 소스

using System;

using System.Windows.Automation;

namespace 예제_2._1_포커스_트래커

{

    class Program

    {

        static void Main(string[] args)

        {

            AutomationFocusChangedEventHandler afceh = null;

            afceh = new AutomationFocusChangedEventHandler(

                            FocusChangedEventHandler);

            Automation.AddAutomationFocusChangedEventHandler(afceh);

            Console.ReadLine();

            Automation.RemoveAutomationFocusChangedEventHandler(afceh);

        }

        static void FocusChangedEventHandler(object obj,

                             AutomationFocusChangedEventArgs e)

        {

            AutomationElement ae = AutomationElement.FocusedElement;

            Console.WriteLine(ae.Current.Name);

        }

    }

}