Slider 的自定义样式导致它在被选中时变成蓝色
Custom style for Slider causing it to turn blue when selected
我为 Slider 控件创建了以下样式，基本上允许我隐藏轨道，并设置缩略图颜色。
<SolidColorBrush x:Key="SliderThumb.Static.Foreground" Color="#FFE5E5E5"/>
<SolidColorBrush x:Key="SliderThumb.MouseOver.Background" Color="#FFDCECFC"/>
<SolidColorBrush x:Key="SliderThumb.MouseOver.Border" Color="#FF7Eb4EA"/>
<SolidColorBrush x:Key="SliderThumb.Pressed.Background" Color="#FFDAECFC"/>
<SolidColorBrush x:Key="SliderThumb.Pressed.Border" Color="#FF569DE5"/>
<SolidColorBrush x:Key="SliderThumb.Disabled.Background" Color="#FFF0F0F0"/>
<SolidColorBrush x:Key="SliderThumb.Disabled.Border" Color="#FFD9D9D9"/>
<SolidColorBrush x:Key="SliderThumb.Static.Background" Color="#FFF0F0F0"/>
<SolidColorBrush x:Key="SliderThumb.Static.Border" Color="#FFACACAC"/>
<ControlTemplate x:Key="SliderThumbHorizontalTop" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,6 C0,6 5.5,0 5.5,0 5.5,0 11,6 11,6 11,6 11,18 11,18 11,18 0,18 0,18 0,18 0,6 0,6 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbHorizontalBottom" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,12 C0,12 5.5,18 5.5,18 5.5,18 11,12 11,12 11,12 11,0 11,0 11,0 0,0 0,0 0,0 0,12 0,12 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<SolidColorBrush x:Key="SliderThumb.Track.Border" Color="#FFD6D6D6"/>
<SolidColorBrush x:Key="SliderThumb.Track.Background" Color="#FFE7EAEA"/>
<Style x:Key="RepeatButtonTransparent" 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 Fill="{TemplateBinding Background}" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<ControlTemplate x:Key="SliderThumbHorizontalDefault" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,12 C0,12 5.5,18 5.5,18 5.5,18 11,12 11,12 11,12 11,0 11,0 11,0 0,0 0,0 0,0 0,12 0,12 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<ControlTemplate x:Key="SliderHorizontal" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TickBar x:Name="TopTick" Fill="{x:Null}" Height="4" Margin="0,0,0,2" Placement="Top" Grid.Row="0" Visibility="Collapsed"/>
<TickBar x:Name="BottomTick" Fill="{x:Null}" Height="4" Margin="0,2,0,0" Placement="Bottom" Grid.Row="2" Visibility="Collapsed"/>
<Border x:Name="TrackBackground" BorderBrush="{x:Null}" BorderThickness="1" Background="{x:Null}" Height="4.0" Margin="5,0" Grid.Row="1" VerticalAlignment="center">
<Canvas Margin="-6,-1">
<Rectangle x:Name="PART_SelectionRange" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" Height="4.0" Visibility="Hidden"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Row="1">
<!--<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>-->
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="18" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbHorizontalDefault}" VerticalAlignment="Center" Width="11"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalTop}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,2,5,0"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalBottom}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,0,5,2"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalLeft" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 6,11 C6,11 0,5.5 0,5.5 0,5.5 6,0 6,0 6,0 18,0 18,0 18,0 18,11 18,11 18,11 6,11 6,11 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" Stroke="{TemplateBinding BorderBrush}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalRight" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 12,11 C12,11 18,5.5 18,5.5 18,5.5 12,0 12,0 12,0 0,0 0,0 0,0 0,11 0,11 0,11 12,11 12,11 z" Fill="{StaticResource SliderThumb.Static.Background}" Stretch="Fill" Stroke="{StaticResource SliderThumb.Static.Border}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalDefault" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M0.5,0.5 L18.5,0.5 18.5,11.5 0.5,11.5z" Fill="{StaticResource SliderThumb.Static.Background}" Stretch="Fill" Stroke="{StaticResource SliderThumb.Static.Border}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderVertical" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition MinWidth="{TemplateBinding MinWidth}" Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<TickBar x:Name="TopTick" Grid.Column="0" Fill="{TemplateBinding Foreground}" Margin="0,0,2,0" Placement="Left" Visibility="Collapsed" Width="4"/>
<TickBar x:Name="BottomTick" Grid.Column="2" Fill="{TemplateBinding Foreground}" Margin="2,0,0,0" Placement="Right" Visibility="Collapsed" Width="4"/>
<Border x:Name="TrackBackground" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Background="{StaticResource SliderThumb.Track.Background}" Grid.Column="1" HorizontalAlignment="center" Margin="0,5" Width="4.0">
<Canvas Margin="-1,-6">
<Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Visibility="Hidden" Width="4.0"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Column="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="11" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbVerticalDefault}" VerticalAlignment="Top" Width="18"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalLeft}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="2,5,0,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalRight}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="0,5,2,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<Style x:Key="HiddenTrackSlider" TargetType="{x:Type Slider}">
<Setter Property="Stylus.IsPressAndHoldEnabled" Value="false"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="Foreground" Value="{StaticResource SliderThumb.Static.Foreground}"/>
<Setter Property="Template" Value="{StaticResource SliderHorizontal}"/>
<Style.Triggers>
<Trigger Property="Orientation" Value="Vertical">
<Setter Property="Template" Value="{StaticResource SliderVertical}"/>
</Trigger>
</Style.Triggers>
</Style>
除通过鼠标输入或 Tab 键选择控件时，滑块会变成蓝色外，大部分情况下都按预期工作。我不知道如何摆脱这种行为，需要一些帮助。
此图显示 "middle" 滑块在 XAML 中清楚地设置为红色时为蓝色（注意此滑块当前由鼠标选中）
删除 "SliderVertical" 和 "SliderHorizontal" 模板的 <ControlTemplate.Triggers> 集合最底部的 IsKeyboardFocused 触发器：
<ControlTemplate x:Key="SliderVertical" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition MinWidth="{TemplateBinding MinWidth}" Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<TickBar x:Name="TopTick" Grid.Column="0" Fill="{TemplateBinding Foreground}" Margin="0,0,2,0" Placement="Left" Visibility="Collapsed" Width="4"/>
<TickBar x:Name="BottomTick" Grid.Column="2" Fill="{TemplateBinding Foreground}" Margin="2,0,0,0" Placement="Right" Visibility="Collapsed" Width="4"/>
<Border x:Name="TrackBackground" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Background="{StaticResource SliderThumb.Track.Background}" Grid.Column="1" HorizontalAlignment="center" Margin="0,5" Width="4.0">
<Canvas Margin="-1,-6">
<Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Visibility="Hidden" Width="4.0"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Column="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="11" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbVerticalDefault}" VerticalAlignment="Top" Width="18"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalLeft}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="2,5,0,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalRight}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="0,5,2,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<!--<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderHorizontal" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TickBar x:Name="TopTick" Fill="{x:Null}" Height="4" Margin="0,0,0,2" Placement="Top" Grid.Row="0" Visibility="Collapsed"/>
<TickBar x:Name="BottomTick" Fill="{x:Null}" Height="4" Margin="0,2,0,0" Placement="Bottom" Grid.Row="2" Visibility="Collapsed"/>
<Border x:Name="TrackBackground" BorderBrush="{x:Null}" BorderThickness="1" Background="{x:Null}" Height="4.0" Margin="5,0" Grid.Row="1" VerticalAlignment="center">
<Canvas Margin="-6,-1">
<Rectangle x:Name="PART_SelectionRange" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" Height="4.0" Visibility="Hidden"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Row="1">
<!--<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>-->
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="18" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbHorizontalDefault}" VerticalAlignment="Center" Width="11"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalTop}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,2,5,0"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalBottom}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,0,5,2"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<!--<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>
我为 Slider 控件创建了以下样式，基本上允许我隐藏轨道，并设置缩略图颜色。
<SolidColorBrush x:Key="SliderThumb.Static.Foreground" Color="#FFE5E5E5"/>
<SolidColorBrush x:Key="SliderThumb.MouseOver.Background" Color="#FFDCECFC"/>
<SolidColorBrush x:Key="SliderThumb.MouseOver.Border" Color="#FF7Eb4EA"/>
<SolidColorBrush x:Key="SliderThumb.Pressed.Background" Color="#FFDAECFC"/>
<SolidColorBrush x:Key="SliderThumb.Pressed.Border" Color="#FF569DE5"/>
<SolidColorBrush x:Key="SliderThumb.Disabled.Background" Color="#FFF0F0F0"/>
<SolidColorBrush x:Key="SliderThumb.Disabled.Border" Color="#FFD9D9D9"/>
<SolidColorBrush x:Key="SliderThumb.Static.Background" Color="#FFF0F0F0"/>
<SolidColorBrush x:Key="SliderThumb.Static.Border" Color="#FFACACAC"/>
<ControlTemplate x:Key="SliderThumbHorizontalTop" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,6 C0,6 5.5,0 5.5,0 5.5,0 11,6 11,6 11,6 11,18 11,18 11,18 0,18 0,18 0,18 0,6 0,6 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbHorizontalBottom" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,12 C0,12 5.5,18 5.5,18 5.5,18 11,12 11,12 11,12 11,0 11,0 11,0 0,0 0,0 0,0 0,12 0,12 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<SolidColorBrush x:Key="SliderThumb.Track.Border" Color="#FFD6D6D6"/>
<SolidColorBrush x:Key="SliderThumb.Track.Background" Color="#FFE7EAEA"/>
<Style x:Key="RepeatButtonTransparent" 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 Fill="{TemplateBinding Background}" Height="{TemplateBinding Height}" Width="{TemplateBinding Width}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<ControlTemplate x:Key="SliderThumbHorizontalDefault" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 0,12 C0,12 5.5,18 5.5,18 5.5,18 11,12 11,12 11,12 11,0 11,0 11,0 0,0 0,0 0,0 0,12 0,12 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" SnapsToDevicePixels="True" Stroke="{StaticResource SliderThumb.Static.Border}" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
</Grid>
</ControlTemplate>
<ControlTemplate x:Key="SliderHorizontal" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TickBar x:Name="TopTick" Fill="{x:Null}" Height="4" Margin="0,0,0,2" Placement="Top" Grid.Row="0" Visibility="Collapsed"/>
<TickBar x:Name="BottomTick" Fill="{x:Null}" Height="4" Margin="0,2,0,0" Placement="Bottom" Grid.Row="2" Visibility="Collapsed"/>
<Border x:Name="TrackBackground" BorderBrush="{x:Null}" BorderThickness="1" Background="{x:Null}" Height="4.0" Margin="5,0" Grid.Row="1" VerticalAlignment="center">
<Canvas Margin="-6,-1">
<Rectangle x:Name="PART_SelectionRange" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" Height="4.0" Visibility="Hidden"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Row="1">
<!--<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>-->
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="18" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbHorizontalDefault}" VerticalAlignment="Center" Width="11"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalTop}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,2,5,0"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalBottom}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,0,5,2"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalLeft" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 6,11 C6,11 0,5.5 0,5.5 0,5.5 6,0 6,0 6,0 18,0 18,0 18,0 18,11 18,11 18,11 6,11 6,11 z" Fill="{TemplateBinding Foreground}" Stretch="Fill" Stroke="{TemplateBinding BorderBrush}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalRight" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M 12,11 C12,11 18,5.5 18,5.5 18,5.5 12,0 12,0 12,0 0,0 0,0 0,0 0,11 0,11 0,11 12,11 12,11 z" Fill="{StaticResource SliderThumb.Static.Background}" Stretch="Fill" Stroke="{StaticResource SliderThumb.Static.Border}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderThumbVerticalDefault" TargetType="{x:Type Thumb}">
<Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
<Path x:Name="grip" Data="M0.5,0.5 L18.5,0.5 18.5,11.5 0.5,11.5z" Fill="{StaticResource SliderThumb.Static.Background}" Stretch="Fill" Stroke="{StaticResource SliderThumb.Static.Border}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
</Trigger>
<Trigger Property="IsDragging" Value="true">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
</Trigger>
<Trigger Property="IsEnabled" Value="false">
<Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
<Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderVertical" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition MinWidth="{TemplateBinding MinWidth}" Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<TickBar x:Name="TopTick" Grid.Column="0" Fill="{TemplateBinding Foreground}" Margin="0,0,2,0" Placement="Left" Visibility="Collapsed" Width="4"/>
<TickBar x:Name="BottomTick" Grid.Column="2" Fill="{TemplateBinding Foreground}" Margin="2,0,0,0" Placement="Right" Visibility="Collapsed" Width="4"/>
<Border x:Name="TrackBackground" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Background="{StaticResource SliderThumb.Track.Background}" Grid.Column="1" HorizontalAlignment="center" Margin="0,5" Width="4.0">
<Canvas Margin="-1,-6">
<Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Visibility="Hidden" Width="4.0"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Column="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="11" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbVerticalDefault}" VerticalAlignment="Top" Width="18"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalLeft}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="2,5,0,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalRight}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="0,5,2,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
<Style x:Key="HiddenTrackSlider" TargetType="{x:Type Slider}">
<Setter Property="Stylus.IsPressAndHoldEnabled" Value="false"/>
<Setter Property="Background" Value="Transparent"/>
<Setter Property="BorderBrush" Value="Transparent"/>
<Setter Property="Foreground" Value="{StaticResource SliderThumb.Static.Foreground}"/>
<Setter Property="Template" Value="{StaticResource SliderHorizontal}"/>
<Style.Triggers>
<Trigger Property="Orientation" Value="Vertical">
<Setter Property="Template" Value="{StaticResource SliderVertical}"/>
</Trigger>
</Style.Triggers>
</Style>
除通过鼠标输入或 Tab 键选择控件时，滑块会变成蓝色外，大部分情况下都按预期工作。我不知道如何摆脱这种行为，需要一些帮助。
删除 "SliderVertical" 和 "SliderHorizontal" 模板的 <ControlTemplate.Triggers> 集合最底部的 IsKeyboardFocused 触发器：
<ControlTemplate x:Key="SliderVertical" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition MinWidth="{TemplateBinding MinWidth}" Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<TickBar x:Name="TopTick" Grid.Column="0" Fill="{TemplateBinding Foreground}" Margin="0,0,2,0" Placement="Left" Visibility="Collapsed" Width="4"/>
<TickBar x:Name="BottomTick" Grid.Column="2" Fill="{TemplateBinding Foreground}" Margin="2,0,0,0" Placement="Right" Visibility="Collapsed" Width="4"/>
<Border x:Name="TrackBackground" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Background="{StaticResource SliderThumb.Track.Background}" Grid.Column="1" HorizontalAlignment="center" Margin="0,5" Width="4.0">
<Canvas Margin="-1,-6">
<Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Visibility="Hidden" Width="4.0"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Column="1">
<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="11" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbVerticalDefault}" VerticalAlignment="Top" Width="18"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalLeft}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="2,5,0,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalRight}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="0,5,2,5"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<!--<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>
<ControlTemplate x:Key="SliderHorizontal" TargetType="{x:Type Slider}">
<Border x:Name="border" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<TickBar x:Name="TopTick" Fill="{x:Null}" Height="4" Margin="0,0,0,2" Placement="Top" Grid.Row="0" Visibility="Collapsed"/>
<TickBar x:Name="BottomTick" Fill="{x:Null}" Height="4" Margin="0,2,0,0" Placement="Bottom" Grid.Row="2" Visibility="Collapsed"/>
<Border x:Name="TrackBackground" BorderBrush="{x:Null}" BorderThickness="1" Background="{x:Null}" Height="4.0" Margin="5,0" Grid.Row="1" VerticalAlignment="center">
<Canvas Margin="-6,-1">
<Rectangle x:Name="PART_SelectionRange" Fill="{TemplateBinding Background}" Stroke="{TemplateBinding BorderBrush}" Height="4.0" Visibility="Hidden"/>
</Canvas>
</Border>
<Track x:Name="PART_Track" Grid.Row="1">
<!--<Track.DecreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.DecreaseRepeatButton>
<Track.IncreaseRepeatButton>
<RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonTransparent}"/>
</Track.IncreaseRepeatButton>-->
<Track.Thumb>
<Thumb x:Name="Thumb" Focusable="False" Height="18" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbHorizontalDefault}" VerticalAlignment="Center" Width="11"/>
</Track.Thumb>
</Track>
</Grid>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="TickPlacement" Value="TopLeft">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalTop}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,2,5,0"/>
</Trigger>
<Trigger Property="TickPlacement" Value="BottomRight">
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
<Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalBottom}"/>
<Setter Property="Margin" TargetName="TrackBackground" Value="5,0,5,2"/>
</Trigger>
<Trigger Property="TickPlacement" Value="Both">
<Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
<Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
</Trigger>
<Trigger Property="IsSelectionRangeEnabled" Value="true">
<Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
</Trigger>
<!--<Trigger Property="IsKeyboardFocused" Value="true">
<Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
</Trigger>-->
</ControlTemplate.Triggers>
</ControlTemplate>