[C#,WPF] 어플리케이션 중복실행 차단

    public class App : Application
    {
        Mutex mutex = null;
        public App()
        {
        	// 어플리케이션 이름 확인
            string applicationName = Process.GetCurrentProcess().ProcessName;
            Duplicate_execution(applicationName);

        }

        /// <summary>
        /// 중복실행방지
        /// </summary>
        /// <param name="mutexName"></param>
        private void Duplicate_execution(string mutexName)
        {
            try
            {
                mutex = new Mutex(false, mutexName);
            }
            catch (Exception ex)
            {
                Application.Current.Shutdown();
            }
            if (mutex.WaitOne(0, false))
            {
                InitializeComponent();
            }
            else
            {
                Application.Current.Shutdown();
            }
        }