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    <p>I have not tried your animation approach, i tried to implement my own logic to to this.</p> <p>First i am inspired by zooming animation used by <a href="http://picasa.google.com" rel="nofollow">Picasa</a>. So i tried to implement similar type of animation and this works fine for me on my core2duo processor with image size of 10000x5000 without any lag. This approach consumed a lot of memory, but when i compared my memory usage with <a href="http://picasa.google.com" rel="nofollow">Picasa ImageViewer</a> it was almost same. This approach may increase the loading time of your application but this can be handled and not a problem here.</p> <p>Here is the Code for Main Window Grid that i have Used.</p> <pre><code>&lt;Grid&gt; &lt;Grid.RowDefinitions&gt; &lt;RowDefinition Height="Auto" /&gt; &lt;RowDefinition Height="*" /&gt; &lt;/Grid.RowDefinitions&gt; &lt;Button Grid.Row="0" Height="30" Width="100" Content="Zoom" Click="ButtonZoom_OnClick" /&gt; &lt;Image RenderOptions.BitmapScalingMode="HighQuality" Stretch="Uniform" Width="100" Height="100" Grid.Row="1" Margin="30" VerticalAlignment="Center" HorizontalAlignment="Center" Source="mad1.jpg" Name="ImageMain" x:FieldModifier="private" /&gt; &lt;/Grid&gt; </code></pre> <p>Button Click event Code</p> <pre><code>private void ButtonZoom_OnClick(object sender, RoutedEventArgs e) { Task.Factory.StartNew(() =&gt; { var i = 0; while (i++ &lt; 100) { var i1 = i; //var i1 = (-0.00092)*(i*i) + (0.092)*i + 0.2; Dispatcher.Invoke(new Action(() =&gt; { if (i1 &lt; 10 || i1 &gt; 90) { ImageMain.Height += 0.5; ImageMain.Width += 0.5; } else if (i1 &lt; 30 || i1 &gt; 70) { ImageMain.Height += 1; ImageMain.Width += 1; } else { ImageMain.Height += 3; ImageMain.Width += 3; } })); Thread.Sleep(30); } }); } </code></pre> <p>The commented line in this code is a quadratic equation for a smooth animation for acceleration and acceleration of animation. the roots are calculated for starting zooming by 0.2 and half at 2.5 and stops at 0.2 with in range of [0-100]. if you want to create your fully customized animation you may use <a href="http://www.wolframalpha.com/" rel="nofollow">WolframAlpha</a> to check your animation graph. but the simple approach is to use simple control statements to control your animation.</p> <p>This code is only for zooming your image, your approach will be similar for zoom out.</p>
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    1. USMujahid Daud Khan
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    1. COI've you code and on my i5@2.6Ghz for some reason it noticeable lagging on the very beginning when the image is quite small. But when it gets larger it animates more smoothly.
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    2. COTest your application in **without Debug Mode**
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    3. COYes, its better without Debug, thanks. May be not 100% smooth, but at least usable with huge images.
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