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在按下 Ctrl+单击时，我在取消选择 Treeview 中已选择的节点时遇到问题。即使在按下 Ctrl+单击已选择的节点时也不会触发任何事件。所以我想在 Treeview 中按 Ctrl+单击取消选择已选择的节点。
问候。
你可以使用 TreeView1.Items[i].Selected = false;