Insets Manager
The InsetsManager allows you to interact with the platform's system bars and handle changes to the safe area of the mobile window.
The InsetsManager can be access through an instance of TopLevel or Window, for more details on accessing TopLevel please visit TopLevel page:
var insetsManager = TopLevel.GetTopLevel(control).InsetsManager;
примечание
As for now, this service has implementation only on mobile and browser backends. If you need to adjust desktop window decorations, please use Window.ExtendClientAreaToDecorationsHint, Window.ExtendClientAreaChromeHints, Window.ExtendClientAreaTitleBarHeightHint properties.