Program.cs

/*

Here's an example of how to get info for a given COM type library.

*/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using TYPELIBATTR = System.Runtime.InteropServices.ComTypes.TYPELIBATTR;

namespace Sandbox
{
    class Program
    {
        public class InnerSink : ITypeLibImporterNotifySink
        {
            Assembly ITypeLibImporterNotifySink.ResolveRef(object typeLib)
            {
                return null;
            }

            void ITypeLibImporterNotifySink.ReportEvent(ImporterEventKind eventKind,
                int eventCode,
                string eventMsg)
            {
            }
        }

        public enum REGKIND
        {
            REGKIND_DEFAULT = 0,
            REGKIND_REGISTER,
            REGKIND_NONE
        }


        [DllImport("oleaut32.dll", CharSet = CharSet.Unicode)]
        public static extern void LoadTypeLibEx(string strTypeLibName,
            REGKIND regKind,
            out ITypeLib TypeLib);

        static void Main(string[] args)
        {
            ITypeLib typeLib;
            LoadTypeLibEx("C:/Program Files (x86)/Apple Software Update/SoftwareUpdateAdmin.dll", 
                REGKIND.REGKIND_NONE,
                out typeLib);


            TYPELIBATTR tlibattr = new TYPELIBATTR();
            IntPtr ppTLibAttr;
            typeLib.GetLibAttr(out ppTLibAttr);
            tlibattr = (TYPELIBATTR)Marshal.PtrToStructure(ppTLibAttr, typeof(TYPELIBATTR));
            typeLib.ReleaseTLibAttr(ppTLibAttr);

            Console.WriteLine(tlibattr.guid);
            Console.WriteLine(tlibattr.lcid);
            Console.WriteLine(tlibattr.syskind);
            Console.WriteLine(tlibattr.wLibFlags);
            Console.WriteLine(tlibattr.wMajorVerNum);
            Console.WriteLine(tlibattr.wMinorVerNum);

            Console.ReadKey(true);
        }
    }
}