GestureMultiDragStartCallback typedef Null safety
Signature for when MultiDragGestureRecognizer recognizes the start of a drag gesture.
Implementation
typedef GestureMultiDragStartCallback = Drag? Function(Offset position);
Signature for when MultiDragGestureRecognizer recognizes the start of a drag gesture.
typedef GestureMultiDragStartCallback = Drag? Function(Offset position);