  *  @playerversion AIR 1.5
  *  @productversion Flex 4
  */
-public class HScrollBar extends ScrollBar
+public class HScrollBar extends ScrollBarBase
 {
     include "../core/Version.as";
 

[DefaultTriggerEvent("change")]

/**
 *  The HScrollBar (horizontal ScrollBar) control lets you control
 *  the portion of data that is displayed when there is too much data
 *  to fit horizontally in a display area.
 * 

     *  @param increase Whether the page scroll is up (<code>true</code>) or
     *  down (<code>false</code>). 
     * 
     *  @see spark.components.supportClasses.ScrollBarBase#changeValueByPage()
     *  @see spark.components.supportClasses.Range#setValue()
     *  @see spark.core.IViewport
     *  @see spark.core.IViewport#horizontalScrollPosition
