TDPWindow.xaml

<Window x:Class="PocketTDPControl.TDPWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:PocketTDPControl" d:DataContext="{d:DesignInstance Type=local:ViewModel}"
        BorderThickness="1" Visibility="{Binding IsEditModeEnabled, Mode=OneWay, Converter={StaticResource BoolToVis}}"
        AllowsTransparency="False" WindowStyle="None" ResizeMode="NoResize"
        ShowInTaskbar="False"
        mc:Ignorable="d"
        Title="TDPSliderWindow" Height="200" Width="45">
    <Window.Resources>
        <local:PresetTDPConverter x:Key="PresetTDPConverter" />
    </Window.Resources>

    <Slider Orientation="Vertical" IsDirectionReversed="True" Height="170" Width="Auto" Margin="5"
                TickPlacement="Both" TickFrequency="1"
                Minimum="{Binding MinTDP}" Maximum="{Binding MaxTDP}">
        <Slider.Value>
            <MultiBinding Converter="{StaticResource PresetTDPConverter}">
                <Binding Path="PresetTDP" />
                <Binding Path="SelectedPresetTDPIndex" />
            </MultiBinding>
        </Slider.Value>
    </Slider>
</Window>