1Qter豆
最佳答案Different types of model tend to handle dropped data in different ways. Tree models are often able to add child items containing new data to their underlying data stores, and will therefore behave more predictably as far as the user is concerned.
默认放到拖放到一项上面就是添加该项的子项,而,拖放到该项的下面,出现一条横线的时候放下,就是和该项为兄弟项。这是操作问题,不用更改的。 ...
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2013-8-8 18:07:07
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