handleDragLeave method

void handleDragLeave([
  1. DragSession? session
])

Handles when a drag session leaves the target boundaries.

Implementation

void handleDragLeave([DragSession? session]) {
  final dragTarget = widget as DragTarget<T>;
  _candidateData.clear();
  _rejectedData.clear();
  markNeedsBuild();
  if (dragTarget.onLeave != null) {
    dragTarget.onLeave!(null);
  }
}