Package com.smartgwt.client.widgets.calendar.events

# Interface HasBackgroundMouseDownHandlers

All Superinterfaces:
  `HasHandlers`

All Known Implementing Classes:
  `Calendar`, `Timeline`

public interface HasBackgroundMouseDownHandlers extends HasHandlers

- ## Method Summary

  Modifier and Type
  Method
  Description
  `HandlerRegistration`
  `addBackgroundMouseDownHandler(BackgroundMouseDownHandler handler)`
  Callback fired when the mouse button is depressed over a background-cell, ie, one without an event.

  ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

  `fireEvent`

- ## Method Details

  - ### addBackgroundMouseDownHandler

    HandlerRegistration addBackgroundMouseDownHandler(BackgroundMouseDownHandler handler)
    Callback fired when the mouse button is depressed over a background-cell, ie, one without an event. Call `BackgroundMouseDownEvent.cancel()` from within `BackgroundMouseDownHandler.onBackgroundMouseDown(com.smartgwt.client.widgets.calendar.events.BackgroundMouseDownEvent)` to cancel the default behavior of allowing sweep selection via dragging.
    Parameters:
      `handler` - the backgroundMouseDown handler
    Returns:
      `HandlerRegistration` used to remove this handler