“按钮selectItem选中树控件中节点//怎么显示蓝色选中框呢?” 选中后不是已经 蓝的了 吗 ?
NM_CLICK
TVN_ITEMCHANGED notification code Notifies a tree-view control's parent window that item attributes have changed. This notification code is sent in the form of a WM_NOTIFY message.
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