ScrollAmount 枚举

定义

命名空间:
System.Windows.Automation
程序集:
UIAutomationTypes.dll

包含 ScrollPattern 用来指示滚动的方向和距离的值。Contains values used by ScrollPattern to indicate the direction and distance to scroll.

public enum class ScrollAmount
[System.Runtime.InteropServices.ComVisible(true)]
[System.Runtime.InteropServices.Guid("bd52d3c7-f990-4c52-9ae3-5c377e9eb772")]
public enum ScrollAmount
type ScrollAmount = 
Public Enum ScrollAmount
继承
Object
ValueType
Enum
ScrollAmount
属性
ComVisibleAttribute GuidAttribute

字段

LargeDecrement 0

指定按大递减量完成滚动，等效于“PageUp”或单击滚动条上的空白部分。Specifies that scrolling is done in large decrements, equivalent to PageUp or clicking on a blank part of a scrollbar. 如果“PageUp”不是控件的相关滚动量和/或不存在滚动条，该值表示与当前可见窗口相等的量。If PageUp is not a relevant amount for the control and/or no scrollbar exists, the value represents an amount equal to the current visible window.
LargeIncrement 3

指定按大递增量完成滚动，等效于“PageDown”或单击滚动条组件的轨迹。Specifies that scrolling is done in large increments, equivalent to a PageDown or clicking on the track of a scrollbar component. 如果“PageDown”不是控件的相关滚动量和/或不存在滚动条，该值表示与当前可见区域相等的量。If a PageDown is not a relevant amount for the control and/or no scrollbar exists, the value represents an amount equal to the current visible region.
NoAmount 2

指定不应执行滚动。Specifies that scrolling should not be performed.
SmallDecrement 1

指定按小递减量完成滚动，等效于按箭头键或单击滚动条上的箭头按钮。Specifies that scrolling is done in small decrements, equivalent to pressing an arrow key or clicking the arrow button on a scrollbar.
SmallIncrement 4

指定按小递增量完成滚动，等效于按箭头键或单击滚动条上的箭头按钮。Specifies that scrolling is done in small increments, equivalent to pressing an arrow key or clicking the arrow button on a scrollbar.

适用于