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问题描述
我有一个 WPF TreeView 触发一个 SelectedItemChanged 事件.每当我在 TreeView 中选择一个项目时，SelectedItemChanged 事件都会为所选项目以及树中所有所选节点的祖先触发.
I have a WPF TreeView which triggers a SelectedItemChanged event. Whenever I select an item in the TreeView, the SelectedItemChanged event is triggered for the selected item and all of the selected node's ancestors in the tree.
如何防止 SelectedItemChanged 事件多次触发?
How do I prevent the SelectedItemChanged event from firing more than once?
推荐答案
编辑
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