Toutes les astuces pour Visual Studio, Silverlight

private void Application_Exit(object sender, EventArgs e)

{

    ((Page)this.RootVisual).Done = true;            

}

<UserControl x:Class="Threading.Page"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 

    Width="400" Height="300">

    <Grid x:Name="LayoutRoot" Background="Yellow">

        <Canvas Margin="50">

            <Button Click="Button_Click" Content="Toggle Threads"></Button>

            <TextBlock x:Name="Data1" Canvas.Top="50">Thread 1</TextBlock>

            <TextBlock x:Name="Data2" Canvas.Top="100">Thread 2</TextBlock>

            <TextBlock x:Name="Data3" Canvas.Top="150">Thread 3</TextBlock>

        </Canvas>

    </Grid>

</UserControl>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Threading;

namespace Threading

{

    public partial class Page : UserControl

    {

        private Thread _thread1;

        private Thread _thread2;

        private Thread _thread3;

        private static System.Windows.Controls.TextBlock _data1;

        private static System.Windows.Controls.TextBlock _data2;

        private static System.Windows.Controls.TextBlock _data3;

        private static int _count1 = 0;

        private static int _count2 = 0;

        private static int _count3 = 0;

        private static bool _done = true;

        public bool Done

        {

            get { return _done; }

            set { _done = value; }

        }

        public Page()

        {

            InitializeComponent();

            _data1 = Data1;

            _data2 = Data2;

            _data3 = Data3;

        }

        private void StartThreads()

        {

            _done = false;

            _thread1 = new Thread(DoThread1);

            _thread1.Start();

            _thread2 = new Thread(DoThread2);

            _thread2.Start();

            _thread3 = new Thread(DoThread3);

            _thread3.Start();      

        }

        public static void DoThread1()

        {

            while (!_done)

            {

                _count1++;

                _data1.Dispatcher.BeginInvoke(delegate()

                {

                    _data1.Text = _count1.ToString();

                });

                System.Threading.Thread.Sleep(100);

            }

        }

        public static void DoThread2()

        {

            while (!_done)

            {

                _count2++;

                _data2.Dispatcher.BeginInvoke(delegate()

                {

                    _data2.Text = _count2.ToString();

                });

                System.Threading.Thread.Sleep(100);

            }

        }

        public static void DoThread3()

        {

            while (!_done)

            {

                _count3++;

                _data3.Dispatcher.BeginInvoke(delegate()

                {

                    _data3.Text = _count3.ToString();

                });

                System.Threading.Thread.Sleep(100);

            }

        }

        private void Button_Click(object sender, RoutedEventArgs e)

        {

            if (false == _done)

                _done = true;

            else

                StartThreads();  

        }

    }

}