How can I style thumb using blend. I need to apply a cylinder like style to my thumb. with a gradient color effect. The gradient effect is to be applied vertically with a color combination of gray and white color. I have 0 knowledge in Blend Please help.
You can do it without using Blend. Simply add a slider in XAML page & open design view. Then right click on slider, open "Edit Template" menu and click on "Edit a Copy". So the default style of slider will be added in page's resource. Check out below given screenshot for it.
Now in style, you will see SliderThumbStyle
. You can set thumb's template here. So I am giving you whole style with cylinder thumb having gradient effect.
<Style x:Key="SliderStyle1" TargetType="Slider">
<Setter Property="Background" Value="{StaticResource SliderTrackBackgroundThemeBrush}"/>
<Setter Property="BorderBrush" Value="{StaticResource SliderBorderThemeBrush}"/>
<Setter Property="BorderThickness" Value="{StaticResource SliderBorderThemeThickness}"/>
<Setter Property="Foreground" Value="{StaticResource SliderTrackDecreaseBackgroundThemeBrush}"/>
<Setter Property="ManipulationMode" Value="None"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Slider">
<Grid Margin="{TemplateBinding Padding}">
<Grid.Resources>
<Style x:Key="SliderThumbStyle" TargetType="Thumb">
<Setter Property="BorderThickness" Value="1"/>
<Setter Property="BorderBrush" Value="{StaticResource SliderThumbBorderThemeBrush}"/>
<Setter Property="Background" Value="{StaticResource SliderThumbBackgroundThemeBrush}"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="Thumb">
<!--<Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}"/>-->
<Canvas Margin="0 -5 0 0">
<Path Width="20" Height="20" Canvas.Left="0" Canvas.Top="5" Stretch="Fill" StrokeLineJoin="Round" Stroke="#FF000000" Data="F1 M 177,190C 176.999,196.903 152.375,202.5 122,202.5C 91.6246,202.5 67.0006,196.903 67,189.979L 67,90L 177,90L 177,190 Z ">
<Path.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFBBACAC" Offset="0.527"/>
<GradientStop Color="White" Offset="1"/>
</LinearGradientBrush>
</Path.Fill>
</Path>
<Path Width="20" Height="10" Canvas.Left="0" Canvas.Top="0" Stretch="Fill" StrokeLineJoin="Round" Stroke="#FF000000" Fill="#FFAC9E9E" Data="F1 M 122,77.4999C 152.376,77.4999 177,83.0964 177,89.9999C 177,96.9035 152.376,102.5 122,102.5C 91.6244,102.5 67.0001,96.9035 67.0001,89.9999C 67.0001,83.0964 91.6245,77.4999 122,77.4999 Z "/>
</Canvas>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</Grid.Resources>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal"/>
<VisualState x:Name="Pressed">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreasePressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackPressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreasePressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackPressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPressedBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPressedBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPressedBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Stroke" Storyboard.TargetName="HorizontalBorder">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderDisabledBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Stroke" Storyboard.TargetName="VerticalBorder">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderDisabledBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreaseDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreaseDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbDisabledBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="TopTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkOutsideDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalInlineTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkInlineDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="BottomTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkOutsideDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="LeftTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkOutsideDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalInlineTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkInlineDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="RightTickBar">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTickMarkOutsideDisabledForegroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="PointerOver">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreasePointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="HorizontalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackPointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalDecreaseRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackDecreasePointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Fill" Storyboard.TargetName="VerticalTrackRect">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderTrackPointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="HorizontalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPointerOverBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="Background" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPointerOverBackgroundThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="BorderBrush" Storyboard.TargetName="VerticalThumb">
<DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource SliderThumbPointerOverBorderThemeBrush}"/>
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
</VisualStateGroup>
<VisualStateGroup x:Name="FocusStates">
<VisualState x:Name="Focused">
<Storyboard>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualWhiteHorizontal"/>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualBlackHorizontal"/>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualWhiteVertical"/>
<DoubleAnimation Duration="0" To="1" Storyboard.TargetProperty="Opacity" Storyboard.TargetName="FocusVisualBlackVertical"/>
</Storyboard>
</VisualState>
<VisualState x:Name="Unfocused"/>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid x:Name="HorizontalTemplate" Background="Transparent">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="17"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="32"/>
</Grid.RowDefinitions>
<Rectangle x:Name="HorizontalTrackRect" Grid.ColumnSpan="3" Fill="{TemplateBinding Background}" Grid.Row="1"/>
<Rectangle x:Name="HorizontalDecreaseRect" Fill="{TemplateBinding Foreground}" Grid.Row="1"/>
<TickBar x:Name="TopTickBar" Grid.ColumnSpan="3" Fill="{StaticResource SliderTickmarkOutsideBackgroundThemeBrush}" Height="{StaticResource SliderOutsideTickBarThemeHeight}" Margin="0,0,0,2" Visibility="Collapsed" VerticalAlignment="Bottom"/>
<TickBar x:Name="HorizontalInlineTickBar" Grid.ColumnSpan="3" Fill="{StaticResource SliderTickMarkInlineBackgroundThemeBrush}" Height="{StaticResource SliderTrackThemeHeight}" Grid.Row="1" Visibility="Collapsed"/>
<TickBar x:Name="BottomTickBar" Grid.ColumnSpan="3" Fill="{StaticResource SliderTickmarkOutsideBackgroundThemeBrush}" Height="{StaticResource SliderOutsideTickBarThemeHeight}" Margin="0,2,0,0" Grid.Row="2" Visibility="Collapsed" VerticalAlignment="Top"/>
<Rectangle x:Name="HorizontalBorder" Grid.ColumnSpan="3" Grid.Row="1" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="{TemplateBinding BorderThickness}"/>
<Thumb x:Name="HorizontalThumb" Background="{StaticResource SliderThumbBackgroundThemeBrush}" Grid.Column="1" DataContext="{TemplateBinding Value}" Height="{StaticResource SliderTrackThemeHeight}" Grid.Row="1" Style="{StaticResource SliderThumbStyle}" Width="{StaticResource SliderTrackThemeHeight}"/>
<Rectangle x:Name="FocusVisualWhiteHorizontal" Grid.ColumnSpan="3" IsHitTestVisible="False" Opacity="0" Grid.RowSpan="3" StrokeDashOffset="1.5" StrokeEndLineCap="Square" Stroke="{StaticResource FocusVisualWhiteStrokeThemeBrush}" StrokeDashArray="1,1"/>
<Rectangle x:Name="FocusVisualBlackHorizontal" Grid.ColumnSpan="3" IsHitTestVisible="False" Opacity="0" Grid.RowSpan="3" StrokeDashOffset="0.5" StrokeEndLineCap="Square" Stroke="{StaticResource FocusVisualBlackStrokeThemeBrush}" StrokeDashArray="1,1"/>
</Grid>
<Grid x:Name="VerticalTemplate" Background="Transparent" Visibility="Collapsed">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="17"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="17"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Rectangle x:Name="VerticalTrackRect" Grid.Column="1" Fill="{TemplateBinding Background}" Grid.RowSpan="3"/>
<Rectangle x:Name="VerticalDecreaseRect" Grid.Column="1" Fill="{TemplateBinding Foreground}" Grid.Row="2"/>
<TickBar x:Name="LeftTickBar" Fill="{StaticResource SliderTickmarkOutsideBackgroundThemeBrush}" HorizontalAlignment="Right" Margin="0,0,2,0" Grid.RowSpan="3" Visibility="Collapsed" Width="{StaticResource SliderOutsideTickBarThemeHeight}"/>
<TickBar x:Name="VerticalInlineTickBar" Grid.Column="1" Fill="{StaticResource SliderTickMarkInlineBackgroundThemeBrush}" Grid.RowSpan="3" Visibility="Collapsed" Width="{StaticResource SliderTrackThemeHeight}"/>
<TickBar x:Name="RightTickBar" Grid.Column="2" Fill="{StaticResource SliderTickmarkOutsideBackgroundThemeBrush}" HorizontalAlignment="Left" Margin="2,0,0,0" Grid.RowSpan="3" Visibility="Collapsed" Width="{StaticResource SliderOutsideTickBarThemeHeight}"/>
<Rectangle x:Name="VerticalBorder" Grid.Column="1" Grid.RowSpan="3" Stroke="{TemplateBinding BorderBrush}" StrokeThickness="{TemplateBinding BorderThickness}"/>
<Thumb x:Name="VerticalThumb" Background="{StaticResource SliderThumbBackgroundThemeBrush}" Grid.Column="1" DataContext="{TemplateBinding Value}" Height="{StaticResource SliderTrackThemeHeight}" Grid.Row="1" Style="{StaticResource SliderThumbStyle}" Width="{StaticResource SliderTrackThemeHeight}"/>
<Rectangle x:Name="FocusVisualWhiteVertical" Grid.ColumnSpan="3" IsHitTestVisible="False" Opacity="0" Grid.RowSpan="3" StrokeDashOffset="1.5" StrokeEndLineCap="Square" Stroke="{StaticResource FocusVisualWhiteStrokeThemeBrush}" StrokeDashArray="1,1"/>
<Rectangle x:Name="FocusVisualBlackVertical" Grid.ColumnSpan="3" IsHitTestVisible="False" Opacity="0" Grid.RowSpan="3" StrokeDashOffset="0.5" StrokeEndLineCap="Square" Stroke="{StaticResource FocusVisualBlackStrokeThemeBrush}" StrokeDashArray="1,1"/>
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Slider Width="300" Maximum="100" Style="{StaticResource SliderStyle1}" />