FPGACoder/HandyControl/HandyControl_Shared/Themes/Styles/Base/DividerBaseStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
                    xmlns:hc="clr-namespace:HandyControl.Controls">

    <Style x:Key="DividerBaseStyle" TargetType="hc:Divider">
        <Setter Property="Focusable" Value="False"/>
        <Setter Property="Margin" Value="0,24"/>
        <Setter Property="Padding" Value="24,0"/>
        <Setter Property="LineStroke" Value="{DynamicResource BorderBrush}"/>
        <Setter Property="Foreground" Value="{DynamicResource PrimaryTextBrush}"/>
        <Setter Property="HorizontalContentAlignment" Value="Center"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="hc:Divider">
                    <hc:Row>
                        <hc:Col Layout="12" x:Name="ColStart">
                            <Line VerticalAlignment="Center" StrokeDashArray="{TemplateBinding LineStrokeDashArray}" Stroke="{TemplateBinding LineStroke}" X2="1" StrokeThickness="{TemplateBinding LineStrokeThickness}" Stretch="Fill" StrokeEndLineCap="Square" StrokeStartLineCap="Square"/>
                        </hc:Col>
                        <hc:Col IsFixed="True">
                            <ContentPresenter Margin="{TemplateBinding Padding}" ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}" ContentStringFormat="{TemplateBinding ContentStringFormat}" ContentTemplate="{TemplateBinding ContentTemplate}"/>
                        </hc:Col>
                        <hc:Col Layout="12" x:Name="ColEnd">
                            <Line VerticalAlignment="Center" StrokeDashArray="{TemplateBinding LineStrokeDashArray}" Stroke="{TemplateBinding LineStroke}" X2="1" StrokeThickness="{TemplateBinding LineStrokeThickness}" Stretch="Fill" StrokeEndLineCap="Square" StrokeStartLineCap="Square"/>
                        </hc:Col>
                    </hc:Row>
                    <ControlTemplate.Triggers>
                        <Trigger Property="Content" Value="{x:Null}">
                            <Setter Property="Padding" Value="0"/>
                        </Trigger>
                        <Trigger Property="HorizontalContentAlignment" Value="Left">
                            <Setter TargetName="ColStart" Property="Layout" Value="0"/>
                            <Setter TargetName="ColStart" Property="IsFixed" Value="True"/>
                            <Setter TargetName="ColStart" Property="Width" Value="20"/>
                            <Setter TargetName="ColEnd" Property="Layout" Value="24"/>
                        </Trigger>
                        <Trigger Property="HorizontalContentAlignment" Value="Right">
                            <Setter TargetName="ColEnd" Property="Layout" Value="0"/>
                            <Setter TargetName="ColEnd" Property="IsFixed" Value="True"/>
                            <Setter TargetName="ColEnd" Property="Width" Value="20"/>
                            <Setter TargetName="ColStart" Property="Layout" Value="24"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
            <Trigger Property="Content" Value="{x:Null}">
                <Setter Property="Padding" Value="0"/>
            </Trigger>
            <Trigger Property="Orientation" Value="Vertical">
                <Setter Property="Margin" Value="6,0"/>
                <Setter Property="Template">
                    <Setter.Value>
                        <ControlTemplate TargetType="hc:Divider">
                            <Line HorizontalAlignment="Center" StrokeDashArray="{TemplateBinding LineStrokeDashArray}" Stroke="{TemplateBinding LineStroke}" Y2="1" StrokeThickness="{TemplateBinding LineStrokeThickness}" Stretch="Fill" StrokeEndLineCap="Square" StrokeStartLineCap="Square"/>
                        </ControlTemplate>
                    </Setter.Value>
                </Setter>
            </Trigger>
        </Style.Triggers>
    </Style>

</ResourceDictionary>