https://learn.microsoft.com/en-us/dotnet/api/system.collections.specialized.nameobjectcollectionbase.ondeserialization?view=net-10.0&viewFallbackFrom=windowsdesktop-10.0
NameObjectCollectionBase.OnDeserialization(Object) Method (System.Collections.Specialized) |...
Implements the ISerializable interface and raises the deserialization event when the deserialization is complete.
objectmethodsystemcollectionsspecialized