ImagePresentationEvents.TransitionStarted
A transition between two viewing modes has started for an image presentation component.
Declaration
struct TransitionStartedOverview
Note that a TransitionStarted event is not triggered for viewing mode changes that transition immediately to the new mode. For instantaneous transitions, only a TransitionCompleted event is fired.
Use the TransitionStarted event as an opportunity to hide overlaid UI during an animated transition. Update the content and location of that UI after the transition completes via a corresponding TransitionCompleted event.