Note: This example assumes that the user selects the node of interest using their left mouse button.

注意：本例假设用户使用鼠标的左键选择感兴趣的节点。

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A snippet of the remove node handler is shown below in Listing 31. the user selects the node prior to the handler being called.

remove节点处理程序的一个代码片段如清单31所示该用户在调用此处理程序之前选择了此节点。

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selects the parent node (or directory, in that analogy), and .

选择父节点（或者父目录），.

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