コード例 #1
0
 /**
  * This method sets the visible amount (AKA extent).
  *
  * @param extent The visible amount (AKA extent).
  */
 public void setVisibleAmount(int extent) {
   if (extent != getVisibleAmount()) {
     model.setExtent(extent);
     fireAdjustmentValueChanged(
         AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED, AdjustmentEvent.TRACK, extent);
   }
 }