Custom WindowCommands

gistfile1.xaml

<controls:MetroWindow.Resources>

        <ControlTemplate x:Key="WindowCommandsButtonTemplate" TargetType="{x:Type Button}">
            <Grid x:Name="RootGrid" Background="{TemplateBinding Background}">
                <controls:ContentControlEx x:Name="PART_ContentControlEx"
                                           Padding="{TemplateBinding Padding}"
                                           HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                                           VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                                           Content="{TemplateBinding Content}"
                                           ContentCharacterCasing="{Binding RelativeSource={RelativeSource AncestorType={x:Type controls:WindowCommands}}, Path=(controls:ControlsHelper.ContentCharacterCasing)}"
                                           ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                           ContentTemplate="{TemplateBinding ContentTemplate}"
                                           ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"
                                           RecognizesAccessKey="True"
                                           SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
            </Grid>
            <ControlTemplate.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter TargetName="RootGrid" Property="Background" Value="{DynamicResource AccentBaseColorBrush}" />
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>

        <ControlTemplate x:Key="WindowCommandsToggleButtonTemplate" TargetType="{x:Type ToggleButton}">
            <Grid x:Name="RootGrid" Background="{TemplateBinding Background}">
                <controls:ContentControlEx x:Name="PART_ContentControlEx"
                                           Padding="{TemplateBinding Padding}"
                                           HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
                                           VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}"
                                           Content="{TemplateBinding Content}"
                                           ContentCharacterCasing="{Binding RelativeSource={RelativeSource AncestorType={x:Type controls:WindowCommands}}, Path=(controls:ControlsHelper.ContentCharacterCasing)}"
                                           ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                           ContentTemplate="{TemplateBinding ContentTemplate}"
                                           ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"
                                           RecognizesAccessKey="True"
                                           SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
            </Grid>
            <ControlTemplate.Triggers>
                <Trigger Property="IsChecked" Value="True">
                    <Setter TargetName="PART_ContentControlEx" Property="FontStyle" Value="Italic" />
                </Trigger>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter TargetName="RootGrid" Property="Background" Value="{DynamicResource AccentBaseColorBrush}" />
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>

        <Style x:Key="WindowCommandsControlStyle" TargetType="{x:Type Control}">
            <Setter Property="Background" Value="{DynamicResource TransparentWhiteBrush}" />
            <Setter Property="Foreground" Value="{Binding Foreground, Mode=OneWay, RelativeSource={RelativeSource AncestorType={x:Type controls:WindowCommands}}}" />
            <Setter Property="HorizontalContentAlignment" Value="Center" />
            <Setter Property="Padding" Value="8 0 8 0" />
            <Setter Property="VerticalContentAlignment" Value="Center" />
            <Style.Triggers>
                <Trigger Property="IsEnabled" Value="False">
                    <Setter Property="Foreground" Value="{DynamicResource GrayBrush4}" />
                </Trigger>
            </Style.Triggers>
        </Style>

        <ControlTemplate x:Key="LightWindowCommandsTemplate" TargetType="controls:WindowCommands">
            <ItemsPresenter />
            <ControlTemplate.Resources>
                <ResourceDictionary>
                    <Style BasedOn="{StaticResource WindowCommandsControlStyle}" TargetType="{x:Type Button}">
                        <Setter Property="Template" Value="{StaticResource WindowCommandsButtonTemplate}" />
                    </Style>
                    <Style BasedOn="{StaticResource WindowCommandsControlStyle}" TargetType="{x:Type ToggleButton}">
                        <Setter Property="Template" Value="{StaticResource WindowCommandsToggleButtonTemplate}" />
                    </Style>
                </ResourceDictionary>
            </ControlTemplate.Resources>
        </ControlTemplate>

</controls:MetroWindow.Resources>

<controls:MetroWindow.RightWindowCommands>
    <controls:WindowCommands Template="{StaticResource LightWindowCommandsTemplate}">
        <Button Content="Test" />
        <ToggleButton Content="Toggle" />
    </controls:WindowCommands>
</controls:MetroWindow.RightWindowCommands>