Extending a class and wrapping methods

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You can extend any class from .NET Framework DLL by extending the C# class with the NObject/JObject type and then call the constructor base constructor by passing the name of the called type and arguments for its constructor as an argument.

Assuming we have a custom .NET Framework DLL with the following class inside:

I want to use:

.NET Framework DLL

namespace TestClass
{
	public class TestClass
	{
		public TestClass() { }

		using System;
		
		namespace TestNamespace
		{
			public class TestClass
			{
				public TestClass() { }
				~TestClass()
				{
					Console.WriteLine("Displaying object from .NET destructor message");
				}
				public static int MyStaticField { get; set; }
				public int MyInstanceField { get; set; }
		
				public static string SayHello(string name)
				{
					return "Hello " + name;
				}
		
				public int MultiplyByTwo(int arg)
				{
					return arg * 2;
				}
		
				public T MyGenericMethod<T>(T arg1)
				{
					return arg1;
				}
				public K MyGenericMethodWithTwoTypes<T, K>(T arg1)
				{
					return default(K);
				}
		
				public void MethodWithRefArg(ref int arg)
				{
					arg = arg + 44;
				}
		
				public string PassTypeArg(Type myType)
				{
					return myType.ToString();
				}
		
				public string MethodWithEnumArg(SampleEnum value)
				{
					return value.ToString();
				}
			}
		}
		
	}
}
using System;

namespace TestNamespace
{
	public class TestClass
	{
		public TestClass() { }
		~TestClass()
		{
			Console.WriteLine("Displaying object from .NET destructor message");
		}
		public static int MyStaticField { get; set; }
		public int MyInstanceField { get; set; }

		public static string SayHello(string name)
		{
			return "Hello " + name;
		}

		public int MultiplyByTwo(int arg)
		{
			return arg * 2;
		}

		public T MyGenericMethod<T>(T arg1)
		{
			return arg1;
		}
		public K MyGenericMethodWithTwoTypes<T, K>(T arg1)
		{
			return default(K);
		}

		public void MethodWithRefArg(ref int arg)
		{
			arg = arg + 44;
		}

		public string PassTypeArg(Type myType)
		{
			return myType.ToString();
		}

		public string MethodWithEnumArg(SampleEnum value)
		{
			return value.ToString();
		}
	}
}

To extend this class and wrap method from this class create the following class:

I code in: