GestureLongPressDragUpdateCallback typedef

void GestureLongPressDragUpdateCallback (GestureLongPressDragUpdateDetails details)

Signature from a LongPressDragGestureRecognizer when a pointer is moving after being held in contact at the same location for a long period of time.

Implementation

typedef GestureLongPressDragUpdateCallback = void Function(GestureLongPressDragUpdateDetails details);