You pass in flags to create scroll bars and to tell the text to wrap.
通过传入标志，创建滚动条，并告诉文本换行。
Most controls that need scroll bars already provide them and do not require this control.
多数需要滚动条的控件本身提供滚动条，而不需要该控件。
Most controls that need scroll bars already provide them and do not require this control.
多数需要滚动条的控件本身提供滚动条，而不需要该控件。
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