Szerkesztés

Megosztás a következőn keresztül:

ScrollBar.PageLeftCommand Field

  • Reference

Definition

Namespace:
System.Windows.Controls.Primitives
Assembly:
PresentationFramework.dll

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

public: static initonly System::Windows::Input::RoutedCommand ^ PageLeftCommand;
public static readonly System.Windows.Input.RoutedCommand PageLeftCommand;
 staticval mutable PageLeftCommand : System.Windows.Input.RoutedCommand
Public Shared ReadOnly PageLeftCommand As RoutedCommand

Field Value

RoutedCommand

Examples

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>

Remarks

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.

XAML Text Usage

< object property="ScrollBar.PageLeftCommand"/>

Applies to

See also