How to change the color of the a WPF `<Separator />`?

Question

I use <Separator /> in my form but don't know how to change its color. None of Border /Foreground/Background does exist. Plese help.

Answer 1

Use styles

    <Style x:Key="MySeparatorStyle" TargetType="{x:Type Separator}">
        <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.ControlDarkBrushKey}}"/>
        <Setter Property="Margin" Value="0,2,0,2"/>
        <Setter Property="Focusable" Value="false"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type Separator}">
                    <Border 
                        BorderBrush="{TemplateBinding BorderBrush}" 
                        BorderThickness="{TemplateBinding BorderThickness}" 
                        Background="{TemplateBinding Background}" 
                        Height="1" 
                        SnapsToDevicePixels="true"/>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

A seperator is just a border element and now you can change its appearance any way you like?