https://learn.microsoft.com/pl-pl/dotnet/api/system.runtime.remoting.messaging.imethodcallmessage.inargs?view=netframework-4.8.1
IMethodCallMessage.InArgs Property (System.Runtime.Remoting.Messaging) | Microsoft Learn
Gets an array of arguments that are not marked as out parameters.
property systemruntimeremotingmessagingmicrosoft