dragHandleBuilder property

ValueNotifier<DragHandleBuilder> dragHandleBuilder
final

Contains a builder function returning a PreferredSizeWidget that will be used for the column drag handle. The handle will be laid out at exactly the preferred size. It must never be negative or infinite.

Can be changed at any time (except SchedulerPhase.persistentCallbacks).

Implementation

final ValueNotifier<DragHandleBuilder> dragHandleBuilder;