Custom WPF Slider with image as Thumb

Question

How can I style a Slider control for WPF in a way like this figure:

An

Answer 1

create custom thumb / track bar / slider control template in WPF

<Ellipse Name="PART_Ellipse" 
                         Width="30"
                         Height="30" 
                         Stroke="Black"
                         Fill="{StaticResource RoundButtonDefaultBrush}"/>
            <ContentPresenter Name="PART_ContentPresenter"  ContentSource="Content" Margin="0,0,0,6" 
                                  HorizontalAlignment="Center" 
                                  VerticalAlignment="Center"
                                  TextBlock.Foreground="White"
                                  TextBlock.FontSize="18"
                                  TextBlock.FontWeight="Bold"/>

Check the complete code here:

Click here for complete solution with source code

Answer 2

Similar example :

Track bar /slider template for WPF

You need to edit style of Both RepeatButton

<Window.Resources>

    <Style x:Key="SliderRepeatButton" TargetType="RepeatButton">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="IsTabStop" Value="false" />
        <Setter Property="Focusable" Value="false" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="RepeatButton">
                    <Border  BorderThickness="1" BorderBrush="Black" Background="Black" Height="3"/>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="SliderRepeatButton1" TargetType="RepeatButton">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="RepeatButton">
                    <Border SnapsToDevicePixels="True" Background="Green"  BorderThickness="1" BorderBrush="YellowGreen" Height="3"/>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="SliderThumb" TargetType="Thumb">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Thumb">
                    <Ellipse Height="10" Width="10" Fill="Green"></Ellipse>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <ControlTemplate x:Key="Slider"  TargetType="Slider">
        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}" />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <Track Grid.Row="1" x:Name="PART_Track"   >
                <Track.DecreaseRepeatButton>
                    <RepeatButton Style="{StaticResource SliderRepeatButton1}"  Command="Slider.DecreaseLarge" />
                </Track.DecreaseRepeatButton>
                <Track.Thumb>
                    <Thumb Style="{StaticResource SliderThumb}"  />
                </Track.Thumb>
                <Track.IncreaseRepeatButton>
                    <RepeatButton Style="{StaticResource SliderRepeatButton}" Command="Slider.IncreaseLarge" />
                </Track.IncreaseRepeatButton>
            </Track>
        </Grid>            
    </ControlTemplate>

    <Style x:Key="Horizontal_Slider" TargetType="Slider">
        <Setter Property="Focusable" Value="False"/>
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Style.Triggers>
            <Trigger Property="Orientation" Value="Horizontal">
                <Setter Property="MinHeight" Value="21" />
                <Setter Property="MinWidth" Value="104" />
                <Setter Property="Template" Value="{StaticResource Slider}" />
            </Trigger>
        </Style.Triggers>
    </Style>
</Window.Resources>

<Slider Style="{StaticResource Horizontal_Slider}" VerticalAlignment="Center"  Value="500" Width="300" Margin="50,0,50,0"></Slider>

Update slider thumb with image

   <Style x:Key="SliderThumb" TargetType="Thumb">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Thumb">
                    <Ellipse Height="10" Width="10">
                        <Ellipse.Fill>
                            <ImageBrush ImageSource="Screenshot_5.png"></ImageBrush>
                        </Ellipse.Fill>
                    </Ellipse>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

Update: slider thumb with Mouseover animation

You can add mouserover effect using triggers.

<Style x:Key="SliderThumb" TargetType="Thumb">
        <Setter Property="SnapsToDevicePixels" Value="true" />
        <Setter Property="OverridesDefaultStyle" Value="true" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="Thumb">
                    <!--Add name to ellipse to use in  controltemplate triggers-->
                    <Ellipse x:Name="Ellipse" Height="10" Width="10" Fill="Green"></Ellipse>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsMouseOver" Value="true">
                            <Setter TargetName="Ellipse" Property="Fill" Value="Yellow"></Setter>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

Result