<Style TargetType="Border" Class="BorderStyle"
       ApplyToDerivedTypes="true">
    <Setter Property="VisualStateManager.VisualStateGroups">
        <VisualStateGroupList>
            <VisualStateGroup x:Name="CommonStates">
                <VisualState x:Name="State1">
                    <VisualState.Setters>
                        <Setter Property="Background"
                                        Value="Blue" />
                        <Setter Property="Stroke"
                                        Value="Red" />
                        <Setter Property="StrokeShape"
                                        Value="RoundRectangle 10,10,10,10" />
                        <Setter Property="StrokeThickness"
                                        Value="2" />
                    </VisualState.Setters>
                </VisualState>
            </VisualStateGroup>
        </VisualStateGroupList>
    </Setter>
</Style>