This listener can be added to the tree as a KeyListener, so that when a user types something while one of the tree’s items is selected, an input window displays as shown in figure 7.
此监听器可以作为一个KeyListener添加到树中，这样，当用户输入一些内容并选中树的一个项目时，输入窗口将会显示如图7 所示的结果。
This listener can be added to the tree as a KeyListener, so that when a user types something while one of the tree’s items is selected, an input window displays as shown in figure 7.
此监听器可以作为一个KeyListener添加到树中，这样，当用户输入一些内容并选中树的一个项目时，输入窗口将会显示如图7 所示的结果。
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