After tracing back through the listof referrers, I found that the root node was a static hashtable that stored the fonts in use for each form.
通过逆向追踪引用者列表，我发现根节点是用来存储每个窗体所用字体的一个静态hashtable。
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Generally speaking, users select items in a list control as input to some function, such as selecting the name of a desired font from a listof several available fonts.