using System; using System.Collections.Generic; using System.ComponentModel; using System.Linq; using System.Runtime.CompilerServices; using System.Text; using System.Threading.Tasks; namespace MVVM2.Models { class MainViewModel : INotifyPropertyChanged // сповіщувач { public event PropertyChangedEventHandler PropertyChanged; public void OnPropertyChanged([CallerMemberName]string prop = "") { PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(prop)); } private int _Clicks; public int Clicks { get { return _Clicks; } set { _Clicks = value; OnPropertyChanged(); } } public MainViewModel() { Task.Factory.StartNew(() => { while (true) { Task.Delay(1000).Wait(); Clicks++; } }); } } }
public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); DataContext = new MainViewModel(); } }
<Grid> <TextBlock FontSize="40" Text="{Binding Clicks}" /> </Grid>