src/MCM.UI/GUI/Prefabs/Properties/SettingsPropertyDropdownView.xml
<Prefab>
<Window>
<Widget SuggestedWidth="362" SuggestedHeight="42" VerticalAlignment="Center" HorizontalAlignment="Center" IsEnabled="@IsEnabled" IsVisible="@IsDropdownDefault">
<Children>
<Standard.DropdownWithHorizontalControl VerticalAlignment="Center" HorizontalAlignment="Center" Parameter.SelectorDataSource="{DropdownValue}" />
</Children>
</Widget>
</Window>
</Prefab>