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Improve WPF performance with RenderOptions

, 31 Mar 2014
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Improve WPF performance with RenderOptions and TextOptions

Introduction

Too many articles have been presented on how to improve WPF performance with several global methods.

Here, we introduce another basic ways of improving WPF performance:

  • RenderOptions: Provides options for controlling the rendering behavior of objects.

Using the Code

For more details, please go to read MSDN (RenderOptions class). Here just for telling you with these, your application's performance should be improved.

Here is an example. You could see the difference between the two:

In the code block, you can see that certain settings could be inherited by childs element in XAML element-tree:

         <StackPanel Grid.Column="0" Margin="5" 
                    TextOptions.TextRenderingMode="Grayscale"
                    RenderOptions.ClearTypeHint="Enabled"
                    RenderOptions.BitmapScalingMode="NearestNeighbor"
                    RenderOptions.EdgeMode="Aliased">
            <TextBlock Text="With RenderOptions and TextOptions" HorizontalAlignment="Center"
                       TextOptions.TextHintingMode="Fixed" TextWrapping="Wrap" Width="300" 
                       TextAlignment="Center"/>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                <Image Source="_AUT.png" Width="30" RenderOptions.ClearTypeHint="Enabled"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
                <Image Source="_CHE.png" Width="30" RenderOptions.ClearTypeHint="Enabled"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
                <Image Source="_CHN.png" Width="30" RenderOptions.ClearTypeHint="Enabled"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
                <Image Source="_DEU.png" Width="30" RenderOptions.ClearTypeHint="Enabled" 
                    RenderOptions.EdgeMode="Aliased"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
                <Image Source="_CHL.png" Width="30" RenderOptions.ClearTypeHint="Enabled" 
                    RenderOptions.EdgeMode="Aliased"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
                <Image Source="_BEL.png" Width="30" RenderOptions.ClearTypeHint="Enabled" 
                    RenderOptions.EdgeMode="Aliased"
                   RenderOptions.BitmapScalingMode="NearestNeighbor"/>
            </StackPanel>
            <Grid Margin="0,0">
                <Canvas Height="60" Width="60" VerticalAlignment="Center">
                    <Polygon Points="2,59 30,2 59,39" Fill="Red">
                    </Polygon>
                </Canvas>
            </Grid>
        </StackPanel>

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

comiscience
Software Developer (Senior) Exoé
France France
A foolish 18 years old boy
Just got an Microsoft C# Specialist Certification. Objectif of this year : MCSD

Comments and Discussions

 
QuestionGood stuff about how to improve WPF performance with RenderOptions PinpremiumVolynsky Alex6-Apr-14 12:56 
QuestionTextOptions is not a performance fix. PinprotectorPete O'Hanlon31-Mar-14 2:57 
AnswerRe: TextOptions is not a performance fix. Pinpremiumcomiscience31-Mar-14 3:14 

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