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I have a screen contain about 15-20 TextBlocks each one bind to a different property, at first all the TextBlocks are empty the text update come from other client. The thing I want to do is to animate flashing text for 3 seconds when ever text change. I used the below storyboard to make that happen: <Setter Property="Visibility" Value="Visible"/> <Style.Triggers> <EventTrigger RoutedEvent="UIElement.MouseEnter"> <BeginStoryboard > <Storyboard Duration="0:0:03"> <ObjectAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Visibility)"> <DiscreteObjectKeyFrame KeyTime="00:00:00" Value="{x:Static Visibility.Visible}"/> <DiscreteObjectKeyFrame KeyTime="00:00:00.5" Value="{x:Static Visibility.Hidden}"/> <DiscreteObjectKeyFrame KeyTime="00:00:01" Value="{x:Static Visibility.Visible}"/> <DiscreteObjectKeyFrame KeyTime="00:00:01.5" Value="{x:Static Visibility.Hidden}"/> <DiscreteObjectKeyFrame KeyTime="00:00:02" Value="{x:Static Visibility.Visible}"/> <DiscreteObjectKeyFrame KeyTime="00:00:02.5" Value="{x:Static Visibility.Hidden}"/> <DiscreteObjectKeyFrame KeyTime="00:00:03" Value="{x:Static Visibility.Visible}"/> </ObjectAnimationUsingKeyFrames> </Storyboard> </BeginStoryboard> </EventTrigger> </Style.Triggers> </Style> Using the mouse enter event the text flash is fine but using the Binding.TargetUpdated event didn't trigger anything. Anyone know about event that raise when the TextBlock text is changed ?

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