     </p><p>By default, the drag mode is updated automatically immediately before
   dispatching <code>MapMouseEvent.DRAG_START</code> and
   <code>MapMouseEvent.DRAG_STEP</code> events based on the state of the
   CTRL and SHIFT keyboard modifier keys.
   If SHIFT is pressed, the drag mode is set to
   <code>MapAction.DRAGMODE_MAP_YAW_PITCH</code>, else if CTRL is pressed
   the drag mode is set to <code>MapAction.DRAGMODE_CAMERA_YAW_PITCH</code>;
   if neither is pressed the drag mode is set to
   <code>M