This paper introduces how to use scroll bar to display current playing position and control playing course of multimedia system.
介绍一种利用滚动条来显示媒体播放的当前位置和控制媒体演播进度的方法。
This has the further advantage that the scrollbar thumb does not change size over time nor move without user input, making it easier for a user to interact with the scroll bar control.
其进一步的优点在于：滚动条滑动块不随时间改变尺寸，在无用户输入的情况下也不移动，使得用户与滚动条控制部件交互作用更容易。
Draws the specified scroll button on a scroll bar control in the specified state, on the specified graphics surface, and within the specified bounds.
在指定的图形表层和指定的范围内，于卷轴控制项上绘制指定状态的指定卷轴按钮。
Draws a scroll button on a scroll bar control.
在卷轴控制项上绘制卷轴按钮。
Draws a scroll button on a scroll bar control.
在卷轴控制项上绘制卷轴按钮。
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