If you want to customize a scrollbar control, then you must devise your own method.
如果你想自定义滚动条控件，那么你必须制定自己的方法。
So what we have to do is create our own scrollbar as a user control.
因此，我们需要做的就是建立我们作为一个用户控件的滚动条。
That also means that I have to control the scrollbar on my own.
这也意味着，我必须控制自己的滚动条。
That also means that I have to control the scrollbar on my own.
这也意味着，我必须控制自己的滚动条。
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