using System;

using System.Runtime.CompilerServices;

using System.Runtime.InteropServices;

​

namespace COMTests

{

    public class Program

    {

        [STAThread]

        public static void Main(string[] args)

        {

            Shell shell = (Shell)Activator.CreateInstance(Marshal.GetTypeFromCLSID(new Guid("13709620-C279-11CE-A49E-444553540000")));

            IDotNetShell dotNetShell = shell;

            //dotNetShell.Explore("c:\\"); // not working

            shell.Explore("c:\\"); // working

        }

    }

​

    [ComImport]

    [CompilerGenerated]

    [Guid("D8F015C0-C278-11CE-A49E-444553540000")]

    [TypeIdentifier]

    public interface IShellDispatch

    {

    }

​

​

    [ComImport]

    [CompilerGenerated]

    [Guid("A4C6892C-3BA9-11D2-9DEA-00C04FB16162")]

    [TypeIdentifier]

    public interface IShellDispatch2 : IShellDispatch

    {

    }

​

    [ComImport]

    [CompilerGenerated]

    [Guid("177160CA-BB5A-411C-841D-BD38FACDEAA0")]

    [TypeIdentifier]

    public interface IShellDispatch3 : IShellDispatch2

    {

    }

​

    [ComImport]

    [CompilerGenerated]

    [Guid("EFD84B2D-4BCF-4298-BE25-EB542A59FBDA")]

    [TypeIdentifier]

    public interface IShellDispatch4 : IShellDispatch3

    {

    }

​

​

    [ComImport]

    [CompilerGenerated]

    [Guid("866738B9-6CF2-4DE8-8767-F794EBE74F4E")]

    [TypeIdentifier]

    public interface IShellDispatch5 : IShellDispatch4

    {

    }

​

​

    [ComImport]

    [Guid("286E6F1B-7113-4355-9562-96B7E9D64C54")]

    [TypeIdentifier]

    public interface IShellDispatch6 : IShellDispatch5, IDotNetShell

    {

        void _VtblGap1_6();

​

        //[MethodImpl(MethodImplOptions.InternalCall)]

        [DispId(1610743814)]

        void Explore([In][MarshalAs(UnmanagedType.Struct)] object vDir);

    }

​

​

    [ComImport]

    [Guid("286E6F1B-7113-4355-9562-96B7E9D64C54")]

    [CoClass(typeof(object))]

    [TypeIdentifier]

    public interface Shell : IShellDispatch6

    {

    }

​

    public interface IDotNetShell

    {

        void Explore([In][MarshalAs(UnmanagedType.Struct)] object vDir);

    }

}