ScrollBar.PageLeftCommand Field

 

The command that scrolls a ScrollBar by a large amount in the horizontal direction of decreasing value of its Track.

Namespace:   System.Windows.Controls.Primitives
Assembly:  PresentationFramework (in PresentationFramework.dll)

public static readonly RoutedCommand PageLeftCommand

Field Value

Type: System.Windows.Input.RoutedCommand

The command that scrolls a ScrollBar by a large amount in the horizontal direction of decreasing value of its Track.

This command decreases the Value of the Track in the ScrollBar by the value of the LargeChange property.

This command occurs when the user presses the page button that is to the left of the Thumb. The following illustration shows the page buttons in a ScrollBar.

The different parts of a ScrollBar

When you implement a ScrollBar as part of a ScrollViewer control, the ScrollViewer executes this command.

<object property="ScrollBar.PageLeftCommand"/>

The following example shows how to specify the PageLeftCommand in a custom ScrollBar style template.

<Style x:Key="ScrollBar_LeftTrack" 
       BasedOn="{StaticResource ScrollBar_TrackRepeater}" 
       TargetType="{x:Type RepeatButton}">
  <Setter Property="Command" Value="ScrollBar.PageLeftCommand" />
</Style>

.NET Framework
Available since 3.0
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