public interface HasDropHandlers extends HasHandlers
DropHandler instances.
 
 Experimental API: This API is still under development and is subject to change.
| Modifier and Type | Method and Description | 
|---|---|
| HandlerRegistration | addDropHandler(DropHandler handler)Adds a  DropEventhandler. | 
fireEventHandlerRegistration addDropHandler(DropHandler handler)
DropEvent handler.handler - the drop handlerHandlerRegistration used to remove this handler