Flex 4 的ComboBox下拉框滚动条Scroller(VerticalScrollBar)的thumb过小问题的解决

Flex 4 的ComboBox弹出的下拉框滚动条由于数据过多而导致thumb太小不易操作,暂可如下设置:

代码

   
     

    
      
    
      <
    
      s:ComboBox 
    
      id 
    
      = "startPage"
    
      
 width
    
      ="70"
    
      
 dataProvider 
    
      = "
    
      {_model.resExportStartEndPage}
    
      "
    
      
 labelField
    
      ="label"
    
      
 selectedIndex 
    
      = "0"
    
      
 change 
    
      = "onStartPageChange(event)"
    
      >
    
      
 
    
      <
    
      s:open
    
      >
    
      
 
    
      <![CDATA[
    
      
 (startPage.scroller.getChildAt(0) as ScrollerSkin).verticalScrollBar.thumb.minHeight = 20;
 
    
      ]]>
    
      
 
    
      </
    
      s:open
    
      >
    
      

    
      </
    
      s:ComboBox
    
      >