using System.Threading.Tasks;
using System.Windows;
namespace WpfApp1
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
xxxxx.Text = $"UI thread: {System.Threading.Thread.CurrentThread.ManagedThreadId}";
string s = await AsyncFunction();
xxxxx.Text +