track bar

• For the track for a horizontal track bar
  Visualstyleelement . trackbar . track成员为水平跟踪条的轨道提供
• For a single tick of a horizontal track bar
  Visualstyleelement . trackbar . ticks成员为水平跟踪条单个刻度提供
• That represents a left - pointing track bar slider in the normal state
  ，它表示处于正常状态的向左跟踪条滑块。
• For the track for a vertical track bar
  Visualstyleelement . trackbar . trackvertical成员为垂直跟踪条的轨道提供
• That represents a right - pointing track bar slider in the normal state
  ，它表示处于正常状态的向右跟踪条滑块。
• That represents the slider of a vertical track bar in the normal state
  ，它表示处于正常状态的垂直跟踪条的滑块。
• Provides methods used to render a track bar control with visual styles
  提供用于以视觉样式呈现跟踪条控件的方法。
• That represents an upward - pointing track bar slider in the disabled state
  ，它表示处于禁用状态的向上跟踪条滑块。
• That represents a downward - pointing track bar slider in the disabled state
  ，它表示处于禁用状态的向下跟踪条滑块。
• For a single tick of a vertical track bar
  Visualstyleelement . trackbar . ticksvertical成员为垂直跟踪条的单个刻度提供