Event Dispatcher Timer
<UserControl x:Class='SilverlightApplication3.MainPage'
xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'
xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
xmlns:d='http://schemas.microsoft.com/expression/blend/2008'
xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'
mc:Ignorable='d'
d:DesignWidth='640'
d:DesignHeight='480'>
<Grid x:Name="LayoutRoot" Background="White" ShowGridLines="True">
<Grid.ColumnDefinitions>
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition />
</Grid.RowDefinitions>
<StackPanel Grid.Column="0"
Grid.Row="0"
HorizontalAlignment="Left">
<TextBlock x:Name="tbElapsedTime"
FontSize="10"
Text="0"/>
<Button x:Name="btnStart"
Content="Start"
Height="20"
Width="100"
Click="btnStart_Click" />
<Button x:Name="btnStop"
Content="Stop"
Height="20"
Width="100"
Click="btnStop_Click" />
<Button x:Name="btnReset"
Content="Reset"
Height="20"
Width="100"
Click="btnReset_Click" />
</StackPanel>
</Grid>
</UserControl>
//File: Page.cs
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.Windows.Threading;
namespace SilverlightApplication3
{
public partial class MainPage : UserControl
{
DispatcherTimer timer = new DispatcherTimer();
public MainPage()
{
InitializeComponent();
timer.Interval = new TimeSpan(0, 0, 1);
timer.Tick += new EventHandler(timer_Tick);
}
void timer_Tick(object sender, EventArgs e)
{
int currentElapsedSeconds = int.Parse(tbElapsedTime.Text);
currentElapsedSeconds++;
tbElapsedTime.Text = currentElapsedSeconds.ToString();
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
timer.Start();
}
private void btnStop_Click(object sender, RoutedEventArgs e)
{
timer.Stop();
}
private void btnReset_Click(object sender, RoutedEventArgs e)
{
tbElapsedTime.Text = "0";
}
}
}
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