Initialize the range and position of the scroll bar.
初始化滚动条的范围和位置。
It can realize the wide range control of speed and position and has excellent capabilities.
它能实现宽范围的速度和位置控制并具有优良的性能。
The control has a range and a current position.
该控制项具有范围和目前位置。
The control has a range and a current position.
该控制项具有范围和目前位置。
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