| Modifier and Type | Method and Description | 
|---|---|
| com.google.gwt.event.shared.HandlerRegistration | addBackgroundMouseDownHandler(BackgroundMouseDownHandler handler)Callback fired when the mouse button is depressed over a background-cell, ie, one  without an event. | 
com.google.gwt.event.shared.HandlerRegistration addBackgroundMouseDownHandler(BackgroundMouseDownHandler handler)
BackgroundMouseDownEvent.cancel() from within BackgroundMouseDownHandler.onBackgroundMouseDown(com.smartgwt.client.widgets.calendar.events.BackgroundMouseDownEvent) to
 cancel the default behavior of allowing sweep selection via dragging.handler - the backgroundMouseDown handlerHandlerRegistration used to remove this handler