Ext.grid.Panel??????????????????????????????????????????

???2??Grid????????????????????
??URL???????????????
http://www.sencha.com/forum/showthread.php?139084-Extjs-4-grid.getView().on(-bodyscroll-function(event-target)

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Code:
Ext.grid.Panel.listeners : {
    scrollershow : function(){
        centerGrid.getVerticalScroller().setWidth(0);
    }
}
???????????????getVerticalScroller()??????????????????????
API?????????????????????
?Ext.grid.Panel.setScrollTop();?????????????????

API????????????????????????????
????????INDEX??????????????????????????????


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Ver?Extjs4.0.7