ImageToggleButton.xaml

<controls:ImageButtonBase x:Class="Microsoft.PowerShell.Commands.ShowCommandInternal.ImageToggleButton"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:controls="clr-namespace:Microsoft.PowerShell.Commands.ShowCommandInternal">
    <Grid HorizontalAlignment="Left" VerticalAlignment="Top">
        <Grid.Resources>
            <ResourceDictionary>
                <ResourceDictionary.MergedDictionaries>
                    <ResourceDictionary Source="/Microsoft.PowerShell.GraphicalHost;component/ImageButtonCommon.xaml"/>
                </ResourceDictionary.MergedDictionaries>
            </ResourceDictionary>
        </Grid.Resources>
        <Grid>
            <ToggleButton
                x:Name="toggleInnerButton"
                Command="{Binding Path=Command, RelativeSource={RelativeSource AncestorType={x:Type controls:ImageButtonBase}}}"
                IsChecked="{Binding Path=IsChecked, RelativeSource={RelativeSource AncestorType={x:Type controls:ImageButtonBase}}}"
                ToolTip="{Binding Converter={StaticResource imageButtonToolTipConverter}, RelativeSource={RelativeSource AncestorType={x:Type controls:ImageButtonBase}}}"
                ToolTipService.ShowOnDisabled="True" Template="{StaticResource imageButtonTemplate}">
            </ToggleButton>
        </Grid>
    </Grid>

</controls:ImageButtonBase>