Flex4 List改变了dataProvider，怎么锁定选中ItemsfList.dataProvider sfDataindex sfData.getItemInd
Flex4 List改变了dataProvider，怎么锁定选中Item
sfList.dataProvider = sfData;index = sfData.getItemIndex(__selectVO);if(index != -1){sfList.selectedIndex = -1;sfList.selectedIndex = index;}?