using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Diagnostics;
using System.Windows.Shapes;


namespace WpfApp1
{

    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {

        private StopWatch sw;
        public MainWindow()
        {

            InitializeComponent();
            sw = new StopWatch();

        }

        private void StartButton_Click(object sender, RoutedEventArgs e)
        {
            sw.Start();
        }
    }
}