track bar

• For a different state of the left - pointing track bar slider
  Visualstyleelement . trackbar . thumbleft类的每个属性为向左跟踪条滑块的不同状态返回
• For a different state of the slider of a horizontal track bar
  Visualstyleelement . trackbar . thumb类的每个属性为水平跟踪条的滑块的不同状态返回
• For a different state of the upward - pointing track bar slider
  Visualstyleelement . trackbar . thumbtop类的每个属性为向上跟踪条滑块的不同状态返回
• Gets a visual style element that represents an upward - pointing track bar slider that has focus
  获取表示有焦点的向上跟踪条滑块的视觉样式元素。
• For a different state of the right - pointing track bar slider
  Visualstyleelement . trackbar . thumbright类的每个属性为向右跟踪条滑块的不同状态返回
• Gets a visual style element that represents the slider of a vertical track bar that has focus
  获取表示有焦点的垂直跟踪条的滑块的视觉样式元素。
• The track bar moves in increments that you specify and can be aligned horizontally or vertically
  跟踪条按指定的增量移动并且可以水平或垂直排列。
• Gets a visual style element that represents the slider of a horizontal track bar that has focus
  获取表示有焦点的水平跟踪条的滑块的视觉样式元素。
• Gets or sets a value indicating the horizontal or vertical orientation of the track bar
  获取或设置一个值，该值指示跟踪条在水平方向还在垂直方向。
• Gets a visual style element that represents a left - pointing track bar slider in the hot state
  获取表示处于热状态的向左跟踪条滑块的视觉样式元素。