我可以在WinRT参考中找到
EventTrigger，但是我找不到DataTrigger。我也无法在应用程序中使用它。
任何人都可以确认DataTrigger在WinRT中真的丢失了吗？ EventTrigger是WinRT中唯一可用的触发器吗？
我不知道什么时候改变，但我有DataTriggerBehavior和GoToStateAction组合他们应该解决你的问题…
命名空间导入
xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions" xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" xmlns:Interactivity="using:Microsoft.Xaml.Interactivity" xmlns:Core="using:Microsoft.Xaml.Interactions.Core"
ViewSateManager放在根元素上
<visualstatemanager.VisualStateGroups>
<VisualStateGroup x:Name="Common">
<VisualStateGroup.Transitions>
<VisualTransition GeneratedDuration="0" To="Online">
<Storyboard>
<ColorAnimation Duration="0" To="Lime" Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)" Storyboard.TargetName="Name" />
</Storyboard>
</VisualTransition>
<VisualTransition GeneratedDuration="0" To="Offline">
<Storyboard>
<ColorAnimation Duration="0" To="Red" Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)" Storyboard.TargetName="Name" />
</Storyboard>
</VisualTransition>
</VisualStateGroup.Transitions>
<VisualState x:Name="Online" />
<VisualState x:Name="Offline" />
</VisualStateGroup>
</visualstatemanager.VisualStateGroups>
<Interactivity:Interaction.Behaviors>
<Core:DataTriggerBehavior Binding="{Binding Active}" Value="True">
<Core:GoToStateAction StateName="Online" />
</Core:DataTriggerBehavior>
<Core:DataTriggerBehavior Binding="{Binding Active}" Value="False">
<Core:GoToStateAction StateName="Offline" />
</Core:DataTriggerBehavior>
</Interactivity:Interaction.Behaviors>