滚动框

• Gets a visual style element that represents a vertical scroll box in the pressed state
  获取表示处于按下状态的垂直滚动框的视觉样式元素。
• Gets a visual style element that represents a vertical scroll box in the disabled state
  获取表示处于禁用状态的垂直滚动框的视觉样式元素。
• Gets a visual style element that represents a horizontal scroll box in the normal state
  获取表示处于正常状态的水平滚动框的视觉样式元素。
• Objects for each state of the horizontal scroll box also known as the thumb of a window
  为窗口的水平滚动框（也称为滚动块）的每种状态提供
• Gets a visual style element that represents a horizontal scroll box in the pressed state
  获取表示处于按下状态的水平滚动框的视觉样式元素。
• Gets a visual style element that represents a horizontal scroll box in the disabled state
  获取表示处于禁用状态的水平滚动框的视觉样式元素。
• For a different state of the vertical scroll box of a window
  Visualstyleelement . window . verticalthumb类的每个属性为窗口的垂直滚动框的不同状态返回
• Gets or sets a numeric value that represents the current position of the scroll box on the track bar
  获取或设置表示跟踪条上滚动框的当前位置的数值。
• For the grip of a vertical scroll box also known as the thumb
  Visualstyleelement . scrollbar . grippervertical成员为垂直滚动框也称为滚动块的手柄提供
• For a different state of the horizontal scroll box of a window
  Visualstyleelement . window . horizontalthumb类的每个属性为窗口的水平滚动框的不同状态返回