如何在WPF中设置滑块控件的样式？

I want to style the slider control so that the height of the draggable thumb is set to 8 pixels.

我想设置滑块控件的样式,以便可拖动拇指的高度设置为8像素。

What is the simplest way to do this in WPF?

在WPF中执行此操作的最简单方法是什么?

<Slider>
    <Slider.Style>
        <!-- which xaml here? -->
    </Slider.style>
</Slider>

6 个解决方案

#1

The Slider Control has many parts Thumb, RepeatButtons and a Track. It is one of those controls that have named elements, like PART_Track, referenced by the code-behind for it to work correctly. A good starting point is to use Blend to help you out.

滑块控件有很多部分Thumb,RepeatButtons和一个Track。它是其中一个具有命名元素的控件,如PART_Track,由代码隐藏引用,以使其正常工作。一个很好的起点是使用Blend来帮助你。

Start a new project (or create a new window). In the XAML window add the following:

启动一个新项目(或创建一个新窗口)。在XAML窗口中添加以下内容:

<ScrollBar/>

Then in design window of Blend right-click on the control and select "Edit control parts (Template)\Edit a Copy...". This will reverse engineer the standard control template. This can then be edited.

然后在Blend的设计窗口中右键单击控件并选择“编辑控件(模板)\编辑副本...”。这将对标准控制模板进行反向工程。然后可以编辑它。

The Blend output is this:-

Blend输出是这样的: -

    <LinearGradientBrush x:Key="VerticalScrollBarPageButtonNormal" EndPoint="1, 0" StartPoint="0, 0">
        <GradientStop Color="#EEEDE5" Offset="0"/>
        <GradientStop Color="#EEEDE5" Offset="0.05"/>
        <GradientStop Color="#F3F1EC" Offset="0.06"/>
        <GradientStop Color="#FEFEFE" Offset="0.94"/>
        <GradientStop Color="#EEEDE5" Offset="0.95"/>
        <GradientStop Color="#EEEDE5" Offset="1"/>
    </LinearGradientBrush>
    <Style x:Key="ScrollBarButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="Focusable" Value="false"/>
        <Setter Property="IsTabStop" Value="false"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Microsoft_Windows_Themes:ScrollChrome SnapsToDevicePixels="true" x:Name="Chrome" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderPressed="{TemplateBinding IsPressed}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="{TemplateBinding Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph}" ThemeColor="Metallic"/>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <LinearGradientBrush x:Key="VerticalScrollBarPageButtonPressed" EndPoint="1, 0" StartPoint="0, 0">
        <GradientStop Color="#D7D5C2" Offset="0"/>
        <GradientStop Color="#D7D5C2" Offset="0.05"/>
        <GradientStop Color="#E3DED3" Offset="0.06"/>
        <GradientStop Color="#FDFDF6" Offset="0.94"/>
        <GradientStop Color="#D7D5C2" Offset="0.95"/>
        <GradientStop Color="#D7D5C2" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="VerticalScrollBarPageButtonDisabled" EndPoint="1, 0" StartPoint="0, 0">
        <GradientStop Color="#EEEDE5" Offset="0"/>
        <GradientStop Color="#EEEDE5" Offset="0.05"/>
        <GradientStop Color="#F3F1EC" Offset="0.06"/>
        <GradientStop Color="#FEFEFE" Offset="0.94"/>
        <GradientStop Color="#EEEDE5" Offset="0.95"/>
        <GradientStop Color="#EEEDE5" Offset="1"/>
    </LinearGradientBrush>
    <Style x:Key="VerticalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="Focusable" Value="false"/>
        <Setter Property="IsTabStop" Value="false"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Rectangle x:Name="Bg" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}" Fill="{TemplateBinding Background}"/>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsPressed" Value="true">
                            <Setter Property="Fill" TargetName="Bg" Value="{StaticResource VerticalScrollBarPageButtonPressed}"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Fill" TargetName="Bg" Value="{StaticResource VerticalScrollBarPageButtonDisabled}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="ScrollBarThumb" TargetType="{x:Type Thumb}">
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="IsTabStop" Value="false"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Thumb}">
                    <Microsoft_Windows_Themes:ScrollChrome SnapsToDevicePixels="true" x:Name="Chrome" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderPressed="{TemplateBinding IsDragging}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="{TemplateBinding Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph}" ThemeColor="Metallic"/>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <LinearGradientBrush x:Key="HorizontalScrollBarPageButtonNormal" EndPoint="0, 1" StartPoint="0, 0">
        <GradientStop Color="#EEEDE5" Offset="0"/>
        <GradientStop Color="#EEEDE5" Offset="0.05"/>
        <GradientStop Color="#F3F1EC" Offset="0.06"/>
        <GradientStop Color="#FEFEFE" Offset="0.94"/>
        <GradientStop Color="#EEEDE5" Offset="0.95"/>
        <GradientStop Color="#EEEDE5" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="HorizontalScrollBarPageButtonPressed" EndPoint="0, 1" StartPoint="0, 0">
        <GradientStop Color="#D7D5C2" Offset="0"/>
        <GradientStop Color="#D7D5C2" Offset="0.05"/>
        <GradientStop Color="#E3DED3" Offset="0.06"/>
        <GradientStop Color="#FDFDF6" Offset="0.94"/>
        <GradientStop Color="#D7D5C2" Offset="0.95"/>
        <GradientStop Color="#D7D5C2" Offset="1"/>
    </LinearGradientBrush>
    <LinearGradientBrush x:Key="HorizontalScrollBarPageButtonDisabled" EndPoint="0, 1" StartPoint="0, 0">
        <GradientStop Color="#EEEDE5" Offset="0"/>
        <GradientStop Color="#EEEDE5" Offset="0.05"/>
        <GradientStop Color="#F3F1EC" Offset="0.06"/>
        <GradientStop Color="#FEFEFE" Offset="0.94"/>
        <GradientStop Color="#EEEDE5" Offset="0.95"/>
        <GradientStop Color="#EEEDE5" Offset="1"/>
    </LinearGradientBrush>
    <Style x:Key="HorizontalScrollBarPageButton" TargetType="{x:Type RepeatButton}">
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="Background" Value="Transparent"/>
        <Setter Property="Focusable" Value="false"/>
        <Setter Property="IsTabStop" Value="false"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type RepeatButton}">
                    <Rectangle x:Name="Bg" Width="{TemplateBinding Width}" Height="{TemplateBinding Height}" Fill="{TemplateBinding Background}"/>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsPressed" Value="true">
                            <Setter Property="Fill" TargetName="Bg" Value="{StaticResource HorizontalScrollBarPageButtonPressed}"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Fill" TargetName="Bg" Value="{StaticResource HorizontalScrollBarPageButtonDisabled}"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style x:Key="ScrollBarStyle1" TargetType="{x:Type ScrollBar}">
        <Setter Property="Stylus.IsPressAndHoldEnabled" Value="false"/>
        <Setter Property="Stylus.IsFlicksEnabled" Value="false"/>
        <Setter Property="Background" Value="{StaticResource VerticalScrollBarPageButtonNormal}"/>
        <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
        <Setter Property="Width" Value="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}"/>
        <Setter Property="MinWidth" Value="{DynamicResource {x:Static SystemParameters.VerticalScrollBarWidthKey}}"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ScrollBar}">
                    <Grid SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                        <Grid.RowDefinitions>
                            <RowDefinition MaxHeight="{DynamicResource {x:Static SystemParameters.VerticalScrollBarButtonHeightKey}}"/>
                            <RowDefinition Height="0.00001*"/>
                            <RowDefinition MaxHeight="{DynamicResource {x:Static SystemParameters.VerticalScrollBarButtonHeightKey}}"/>
                        </Grid.RowDefinitions>
                        <RepeatButton Style="{StaticResource ScrollBarButton}" Command="{x:Static ScrollBar.LineUpCommand}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="UpArrow"/>
                        <Track x:Name="PART_Track" Grid.Row="1" IsDirectionReversed="true">
                            <Track.Thumb>
                                <Thumb Style="{StaticResource ScrollBarThumb}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="VerticalGripper"/>
                            </Track.Thumb>
                            <Track.IncreaseRepeatButton>
                                <RepeatButton Style="{StaticResource VerticalScrollBarPageButton}" Command="{x:Static ScrollBar.PageDownCommand}"/>
                            </Track.IncreaseRepeatButton>
                            <Track.DecreaseRepeatButton>
                                <RepeatButton Style="{StaticResource VerticalScrollBarPageButton}" Command="{x:Static ScrollBar.PageUpCommand}"/>
                            </Track.DecreaseRepeatButton>
                        </Track>
                        <RepeatButton Style="{StaticResource ScrollBarButton}" Command="{x:Static ScrollBar.LineDownCommand}" Grid.Row="2" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="DownArrow"/>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="Orientation" Value="Horizontal">
                <Setter Property="Width" Value="Auto"/>
                <Setter Property="MinWidth" Value="0"/>
                <Setter Property="Background" Value="{StaticResource HorizontalScrollBarPageButtonNormal}"/>
                <Setter Property="Height" Value="{DynamicResource {x:Static SystemParameters.HorizontalScrollBarHeightKey}}"/>
                <Setter Property="MinHeight" Value="{DynamicResource {x:Static SystemParameters.HorizontalScrollBarHeightKey}}"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="{x:Type ScrollBar}">
                            <Grid SnapsToDevicePixels="true" Background="{TemplateBinding Background}">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition MaxWidth="{DynamicResource {x:Static SystemParameters.HorizontalScrollBarButtonWidthKey}}"/>
                                    <ColumnDefinition Width="0.00001*"/>
                                    <ColumnDefinition MaxWidth="{DynamicResource {x:Static SystemParameters.HorizontalScrollBarButtonWidthKey}}"/>
                                </Grid.ColumnDefinitions>
                                <RepeatButton Style="{StaticResource ScrollBarButton}" Command="{x:Static ScrollBar.LineLeftCommand}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="LeftArrow"/>
                                <Track x:Name="PART_Track" Grid.Column="1">
                                    <Track.Thumb>
                                        <Thumb Style="{StaticResource ScrollBarThumb}" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="HorizontalGripper"/>
                                    </Track.Thumb>
                                    <Track.IncreaseRepeatButton>
                                        <RepeatButton Style="{StaticResource HorizontalScrollBarPageButton}" Command="{x:Static ScrollBar.PageRightCommand}"/>
                                    </Track.IncreaseRepeatButton>
                                    <Track.DecreaseRepeatButton>
                                        <RepeatButton Style="{StaticResource HorizontalScrollBarPageButton}" Command="{x:Static ScrollBar.PageLeftCommand}"/>
                                    </Track.DecreaseRepeatButton>
                                </Track>
                                <RepeatButton Style="{StaticResource ScrollBarButton}" Command="{x:Static ScrollBar.LineRightCommand}" Grid.Column="2" Microsoft_Windows_Themes:ScrollChrome.ScrollGlyph="RightArrow"/>
                            </Grid>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Trigger>
        </Style.Triggers>
    </Style>

The namespace used for this was this (add to top of file):-

用于此的命名空间是这样的(添加到文件顶部): -

  xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Luna"

You can then obviously alter the generated style to your heart's content

然后,您可以明显地将生成的样式更改为您的内容

You would need to either programmatically find the scrollbar embedded in the control or apply the style to all scrollbars in the scope by altering the style definition, so:-

您需要以编程方式查找控件中嵌入的滚动条,或者通过更改样式定义将样式应用于作用域中的所有滚动条,因此: -

  <Style x:Key="ScrollBarStyle1" TargetType="{x:Type ScrollBar}">
    ...
  </Style>

becomes

  <Style TargetType="{x:Type ScrollBar}">
    ...
  </Style>

So that it will be applied to all scroll bars in the region defined by the style.

这样它将应用于样式定义的区域中的所有滚动条。

#2

You also might want to take a look at snoop and style snooper

您还可以查看一下snoop和style snooper

#3

You will have to create a control template to restyle the part of the control you want.

您必须创建一个控件模板来重新设置所需的控件部分。

Have a look at this MSDN article and this article which should help you.

看看这篇MSDN文章和本文应该对你有所帮助。

#4

A nice MSDN article giving control templates for all the WPF controls is available here:

这里提供了一篇很好的MSDN文章,为所有WPF控件提供控件模板:

http://msdn.microsoft.com/en-us/library/aa970773.aspx

Bear in mind that these control templates generate the same control visually (i.e.: these are the control templates that WPF uses). But it's a good starting point for customizing your controls' Visual Trees.

请记住,这些控件模板在视觉上生成相同的控件(即:这些是WPF使用的控件模板)。但它是自定义控件的可视树的一个很好的起点。

#5

Here's a simple and quick way:

这是一个简单快捷的方法:

<Slider ...>
    <Slider.LayoutTransform>
         <ScaleTransform CenterX="0" CenterY="0" ScaleX="1" ScaleY="0.5"/>
    </Slider.LayoutTransform>
</Slider>

This is not EXACTLY 8 pixels but you can play a bit with the ScaleY property until you get the size you want.

这不完全是8像素,但您可以使用ScaleY属性稍微玩一下,直到获得所需的大小。

#6

Just a proof of concept that you can also style single parts of composite controls like the Slider: But beware, the choice of colors was rather random, so this is gonna be ugly. Unfortunately, the Thumb-Style does not have an effect if you leave out the custom style for the slider.

只是一个概念证明,你也可以设置复合控件的单个部分,如Slider:但要注意,颜色的选择是相当随机的,所以这将是丑陋的。不幸的是,如果省略滑块的自定义样式,Thumb-Style没有效果。

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <Grid>
    <Grid.Resources>
      <ResourceDictionary>
        <Style TargetType="{x:Type Slider}">
          <Setter Property="Background" Value="Green"/>
          <Setter Property="BorderBrush" Value="Navy"/>
          <Setter Property="Template">
            <Setter.Value>
              <ControlTemplate TargetType="{x:Type Slider}">
                <Grid x:Name="GridRoot">
                  <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                  </Grid.RowDefinitions>
  <!-- TickBar shows the ticks for Slider -->
                  <TickBar x:Name="TopTick" Height="4" Fill="Blue" Placement="Top" SnapsToDevicePixels="True" Visibility="Collapsed"/>
                  <Border x:Name="Border" Height="4" Grid.Row="1" Margin="0" Background="Blue" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="2"/>
  <!-- The Track lays out the repeat buttons and thumb -->
                  <Track x:Name="PART_Track" Grid.Row="1">
                    <Track.Thumb>
                      <Thumb MinWidth="15" MinHeight="30"/>
                    </Track.Thumb>
                    <Track.IncreaseRepeatButton>
                      <RepeatButton Command="Slider.IncreaseLarge"/>
                    </Track.IncreaseRepeatButton>
                    <Track.DecreaseRepeatButton>
                      <RepeatButton Command="Slider.DecreaseLarge"/>
                    </Track.DecreaseRepeatButton>
                  </Track>
                  <TickBar x:Name="BottomTick" Height="4" Grid.Row="2" Fill="{TemplateBinding Foreground}" Placement="Bottom" SnapsToDevicePixels="True" Visibility="Collapsed"/>
                </Grid>
              </ControlTemplate>
            </Setter.Value>
          </Setter>
        </Style>
      </ResourceDictionary>
    </Grid.Resources>
    <Slider Maximum="100" Minimum="0">
      <Slider.Resources>
        <Style TargetType="{x:Type Thumb}">
          <Setter Property="Background" Value="Yellow"/>
          <Setter Property="Height" Value="80"/>
        </Style>
      </Slider.Resources>
    </Slider>
  </Grid>
</Page>