The directory service failed to lock a tree in preparation for a tree deletion because the tree was in use.

目录服务未能为删除目录树而将其锁定。

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Once the deletion has completed successfully, the node is removed from the tree and a status message is displayed in the output view in the IDE.

当删除成功完成后，节点将从树中移除并在IDE的输出视图中显示一条状态消息。

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Listing 7 shows the code snippet that's handling the deletion of a node from the tree.

清单7显示了从树中删除节点的代码段。

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