Приклад 1
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>