Mike Snows Silverlight Blog

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 SilverlightApplication6

{

    public partial class Page : UserControl

    {

        private DispatcherTimer _gameLoopTimer;

        private int _fps = 0; 

        private DateTime _lastFPS = DateTime.Now;

        public Page()

        {

            _gameLoopTimer = new DispatcherTimer();

            _gameLoopTimer.Interval = TimeSpan.Zero;

            _gameLoopTimer.Tick += new EventHandler(MainGameLoop); 

            _gameLoopTimer.Start();

            InitializeComponent();

        }

        void MainGameLoop(object sender, EventArgs e)

        {

            _fps++; 

            if ((DateTime.Now - _lastFPS).Seconds >= 1) 

            { 

                FPS.Text = _fps.ToString() + " FPS"; 

                _fps = 0; 

                _lastFPS = DateTime.Now; 

            }

        }

    }

}

<UserControl x:Class="SilverlightApplication6.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="White">

        <TextBlock x:Name="FPS">Current FPS</TextBlock>

    </Grid>

</UserControl>