https://learn.microsoft.com/en-us/dotnet/api/system.reflection.defaultmemberattribute?view=netframework-4.8.1&viewFallbackFrom=net-10.0&redirectedfrom=MSDN
DefaultMemberAttribute Class (System.Reflection) | Microsoft Learn
Defines the member of a type that is the default member used by InvokeMember(String, BindingFlags, Binder, Object, Object[], ParameterModifier[], CultureInfo,...
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