description

# dragOverEvent constant Null safety

EventStreamProvider<MouseEvent> const dragOverEvent

A stream of `dragover` events fired when a dragged object is currently being dragged over an element.

## Other resources

- Drag and drop sample based on the tutorial from HTML5Rocks.
- Drag and drop specification from WHATWG.

## Implementation

    static const EventStreamProvider dragOverEvent =
        const EventStreamProvider('dragover')