Examples

Hide a StackLayout if Things.Count != 0 ...

<StackLayout IsVisible="{z:Bind '(Things.Count != 0)'}" ... > ...

Animate an Image based on a Count property ...

<Image TranslationX="{z:Bind Sin(Count / 25.0) * 100}" 
       TranslationY="{ ... }" />

Scale a Label based on the Value of a Slider Control ...

<Label Scale="{z:Bind Value * 3 + 0.1, Source={x:Reference TheSlider}}" > ...