https://help.syncfusion.com/cr/uwp/Syncfusion.Drawing.RectangleF.html
Class RectangleF - UWP API Reference | Syncfusion
Class RectangleF - UWP API Reference
api referenceclassuwpsyncfusion
https://learn.microsoft.com/it-it/dotnet/api/system.drawing.rectanglef.inflate?view=netframework-4.8.1&viewFallbackFrom=net-10.0
RectangleF.Inflate Method (System.Drawing) | Microsoft Learn
Enlarges this RectangleF by the specified amount.
inflatemethodsystemdrawingmicrosoft