scrollbar wpf 高度

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scrollbar wpf 高度

如何：自訂 ScrollBar 上捲動方塊的大小How to: Customize the Thumb Size on a ScrollBar

03/30/2017

本文內容

本主題說明如何將設定 Thumb ScrollBar 為固定大小，以及如何指定的最小大小 Thumb ScrollBar 。This topic explains how to set the Thumb of a ScrollBar to a fixed size and how to specify a minimum size for the Thumb of a ScrollBar.

範例Example

描述Description

下列範例 ScrollBar 會建立具有 Thumb 固定大小的。The following example creates a ScrollBar that has a Thumb with a fixed size. The example sets the ViewportSize property of the Thumb to NaN and sets the height of the Thumb. 若要建立 ScrollBar Thumb 具有固定寬度的水準，請設定的寬度 Thumb 。To create a horizontal ScrollBar with a Thumb that has a fixed width, set the width of the Thumb.

程式碼Code

Background="{TemplateBinding Background}"

SnapsToDevicePixels="true">

IsEnabled="{TemplateBinding IsMouseOver}"

Height="18"

Command="ScrollBar.LineUpCommand"

Content="M 0 4 L 8 4 L 4 0 Z" />

ViewportSize="NaN"

IsDirectionReversed="true"

Grid.Row="1"

Grid.ZIndex="-1">

Command="ScrollBar.PageUpCommand"/>

Command="ScrollBar.PageDownCommand"/>

Grid.Row="2"

Style="{StaticResource ScrollBarButton}"

Height="18"

Command="ScrollBar.LineDownCommand"

Content="M 0 0 L 4 4 L 8 0 Z"/>

描述Description

下列範例 ScrollBar 會建立具有 Thumb 最小大小的。The following example creates a ScrollBar that has a Thumb with a minimum size. To create a horizontal ScrollBar with a Thumb that has a minimum width, set the HorizontalScrollBarButtonWidthKey.

程式碼Code

Background="{TemplateBinding Background}"

SnapsToDevicePixels="true">

IsEnabled="{TemplateBinding IsMouseOver}"

Height="18"

Command="ScrollBar.LineUpCommand"

Content="M 0 4 L 8 4 L 4 0 Z" />

IsDirectionReversed="true"

Grid.Row="1"

Grid.ZIndex="-1">

x:Key="{x:Static SystemParameters.VerticalScrollBarButtonHeightKey}">

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