https://learn.microsoft.com/fr-fr/dotnet/api/system.componentmodel.design.serialization.designerserializationmanager?view=netframework-4.8.1&viewFallbackFrom=net-10.0
DesignerSerializationManager Class (System.ComponentModel.Design.Serialization) | Microsoft Learn
Provides an implementation of the IDesignerSerializationManager interface.
class systemdesignserializationmicrosoftlearn