https://learn.microsoft.com/en-us/windows/windows-app-sdk/api/winrt/microsoft.ui.xaml.controls.togglemenuflyoutitem?view=windows-app-sdk-2.0
ToggleMenuFlyoutItem Class (Microsoft.UI.Xaml.Controls) - Windows App SDK | Microsoft Learn
Represents an item in a MenuFlyout that a user can change between two states, checked or unchecked.
windows appclassmicrosoftuixaml