Wiki

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.Media.Imaging;

namespace SilverlightApplication12

{

    public partial class Page : UserControl

    {

        private Image grass;

        public Page()

        {

            InitializeComponent();

            LoadImage("grass.png");

        }

        private void LoadImage(string path)

        {

            Uri uri = new Uri(path, UriKind.Relative);

            BitmapImage bitmapImage = new BitmapImage();

            bitmapImage.UriSource = uri;

            bitmapImage.DownloadProgress += 

                new EventHandler<DownloadProgressEventArgs>(bitmapImage_DownloadProgress);

            grass = new Image();

            grass.Source = bitmapImage;

            GameCanvas.Children.Add(grass);

        }

        void bitmapImage_DownloadProgress(object sender, DownloadProgressEventArgs e)

        {

            if (e.Progress == 100)

            {

                Dispatcher.BeginInvoke(delegate()

                {

                   double height = grass.ActualHeight;

                   double width = grass.ActualWidth;

                });

            }

        }

    }

}

<UserControl x:Class="SilverlightApplication12.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">

        <ContentControl x:Name="MyContent">

            <Canvas x:Name="GameCanvas" ></Canvas>

        </ContentControl>                              

    </Grid>

</UserControl>