using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
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.Windows.Shapes;

namespace WpfApp1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        int counter = 0;

        public void SomeMethod()
        {
            Task.Delay(10);
            currentThread.Content = "Current thread: " + Thread.CurrentThread.ManagedThreadId
                                  + "Task current id: " + Task.CurrentId;
        }

        Task task1;

        public MainWindow()
        {
            InitializeComponent();
            myLabel.Content = counter;

            mainThread.Content = "Main thread: " + Thread.CurrentThread.ManagedThreadId
                + "Task current id: " + Task.CurrentId;

            task1 = new Task(SomeMethod);

        }

        private async void myButton_Click(object sender, RoutedEventArgs e)
        {
            counter = counter + 1;

            await task1;
            //await Task.Run(() => task1.Start());
            myLabel.Content = counter;


        }
    }
}