Imports System
Imports Microsoft.VisualBasic
' Nest a class.
Class MyClassA
    Friend Class MyClassB
    End Class 'MyClassB
End Class 'MyClassA
Class MyTestClass
    Public Shared Sub Main()
        ' Get the type of the nested class.
        Dim myTypeB As Type = GetType(MyClassA.MyClassB)
        ' Get the IsNestedAssembly property  of the nested class.
        Console.WriteLine(ControlChars.Cr + "The IsNestedAssembly property value of MyClassB is {0}.", myTypeB.IsNestedAssembly.ToString())
    End Sub 'Main
End Class 'MyTestClass

using System;
// Nest a class.
class MyClassA
{
    internal class MyClassB
    {
    }
}
class MyTestClass
{
    public static void Main(string[] args)
    {  
        // Get the type of the nested class.
        Type myTypeB = typeof(MyClassA.MyClassB);
        // Get the IsNestedAssembly property  of the nested class.
        Console.WriteLine("\nThe IsNestedAssembly property value of MyClassB is {0}.", myTypeB.IsNestedAssembly.ToString());
    }
}

using namespace System;

// Nest a class.
ref class MyClassA
{
internal:
   ref class MyClassB{};
};

int main()
{
   // Get the type of the nested class.
   Type^ myTypeB = MyClassA::MyClassB::typeid;

   // Get the IsNestedAssembly property  of the nested class.
   Console::WriteLine( "\nThe IsNestedAssembly property value of MyClassB is {0}.", myTypeB->IsNestedAssembly );
}