LVIS_OVERLAYMASK Use this mask to retrieve the item's overlay image index.
LVIS_STATEIMAGEMASK Use this mask to retrieve the item's state image index.
这两个状态的含义是什么有什么用处?
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视图中LVIS_OVERLAYMASK的含义是什么
LVIS_OVERLAYMASK Use this mask to retrieve the item's overlay image index. LVIS_STATEIMAGEMASK Use this mask to retrieve the item's state image index. 这两个状态的含义是什么有什么用处?