DataTrigger with VisualStates in Windows phone 8.1 - winrt-xaml

Question

I'm trying to convert old Window phone 7.5 Silverlight Application to new WinRT Universal application and I have problems with this pice of code:
<Style TargetType="Button">
<Setter Property="Visibility" Value="Collapsed"/>
<Style.Triggers>
<DataTrigger Binding="{Binding Active}" Value="True">
<Setter Property="Visibility" Value="Visible"/>
</DataTrigger>
</Style.Triggers>
</Style>
I used DataTrigger to set visibility of control based on binding value.
In Windows Phone 8.1 winrt app this functionality is out. I've tried with VisualStates to achieve same functionality but I can't figure it out. Can anyone help me or direct me with good example. I'm stuck here with this...

Answer 1

DataTriggers are not available currently in WinRT, you have couple of options instead:
use VisualStateManager,
use Behaviours managed API, for example like this:
<Button xmlns:i="using:Microsoft.Xaml.Interactivity"
xmlns:ic="using:Microsoft.Xaml.Interactions.Core">
<Button.Style>
<Style TargetType="Button">
<Setter Property="Visibility" Value="Collapsed"/>
</Style>
</Button.Style>
<i:Interaction.Behaviors>
<ic:DataTriggerBehavior Binding="{Binding Active}" Value="True" ComparisonCondition="Equal">
<ic:ChangePropertyAction PropertyName="Visibility" Value="Visible"/>
</ic:DataTriggerBehavior>
</i:Interaction.Behaviors>
</Button>
or you can just use binding with apropriate converter:
<Button Visibility="{Binding Active, Converter={StaticResource BoolToVisibility}}"/>