通过本文主要向大家介绍了Flex中在Tree绑定数据后自动展开树节点的方法等相关知识,希望对您有所帮助,也希望大家支持linkedu.com www.linkedu.com
用Flex/Flash做开发的同志们应该会使用 expandChildrenOf(item,true)方法来使用Tree组件在绑定数据后自动展开所有树型节点(不需要用户再自己点击展开节点,会方 便许多)，而在Flex开发帮忙文档中很明确写道:
"If you set dataProvider and then immediately call expandChildrenOf() you may not see the correct behavior. You should either wait for the component to validate or call the validateNow() method. "
第一种:(已验证)
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"If you set dataProvider and then immediately call expandChildrenOf() you may not see the correct behavior. You should either wait for the component to validate or call the validateNow() method. "
第一种:(已验证)
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