Property

Name
Title
ImageSource
Progress
TitleOpacity
ShowFocusRing
ScrimBrush
FocusBrush

Example

<dev:ExpandingCardFrame Title="Mountains" ImageSource="ms-appx:///Assets/mountains.jpg" Progress="1" />

NOTE

Progress is a double from 0 (collapsed) to 1 (expanded). TitleOpacity is read-only and follows Progress squared, so the title fades in as the card expands.

Demo

you can run demo and see this feature.