Fade-out Fade-in for a TextBlock (WFP, VB)

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I have a TextBlock and want to change it's Text property every 5 seconds, for example. Everything's OK but I want to add fade effects for text.
The old text fades out, the new one fades in.
Can someone help me?

Posted 18-Aug-10 5:59am

mfawwaz93

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Steve Maier · Answer 1 · 2010-08-22T15:28:00

You could use a couple of storyboards. In a timer dispatch the storyboard, change the test and then run the next storyboard.

XML

<Storyboard x:Key="Storyboard1" x:Name="sb1">
    <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(TextElement.Foreground).(SolidColorBrush.Color)" Storyboard.TargetName="textBox1">
        <EasingColorKeyFrame KeyTime="0:0:0.5" Value="White"/>
    </ColorAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Key="Storyboard2" x:Name="sb2">
    <ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(TextElement.Foreground).(SolidColorBrush.Color)" Storyboard.TargetName="textBox1">
        <EasingColorKeyFrame KeyTime="0" Value="White"/>
        <EasingColorKeyFrame KeyTime="0:0:0.5" Value="Black"/>
    </ColorAnimationUsingKeyFrames>
</Storyboard>