How to trigger an Animation when TextBlock’s Text is changed during a DataBinding_.NET

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How to trigger an Animation when TextBlock’s Text is changed during a DataBinding

2014/12/19 17:31:55 sun8134 程序员俱乐部我要评论(0)

摘要：原文：http://michaelscherf.wordpress.com/2009/02/23/how-to-trigger-an-animation-when-textblocks-text-is-changed-during-a-databinding/<TextBlockx:Name="tbMessage"Text="{BindingPath=StatusBarText,NotifyOnTargetUpdated=True}"><TextBlock
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原文：http://michaelscherf.wordpress.com/2009/02/23/how-to-trigger-an-animation-when-textblocks-text-is-changed-during-a-databinding/

        <TextBlock x:Name="tbMessage" Text="{Binding Path=StatusBarText, NotifyOnTargetUpdated=True}">
            <TextBlock.Triggers>
                <EventTrigger RoutedEvent="Binding.TargetUpdated">
                    <BeginStoryboard>
                        <Storyboard>
                            <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="0:0:0" To="1.0" />
                            <DoubleAnimation Storyboard.TargetProperty="Opacity" Duration="0:0:2" From="1.0" To="0.0" BeginTime="0:0:5" />
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </TextBlock.Triggers>
        </TextBlock>