COM interface finder

FindComInterface.cs

foreach (Assembly a in AppDomain.CurrentDomain.GetAssemblies())
{
    try
    {
        foreach (Type t in a.GetExportedTypes())
        {
            try
            {
                IntPtr pUnk = Marshal.GetIUnknownForObject(ProjectCfgObject);

                Guid iid = t.GUID;
                IntPtr ppv;
                Marshal.QueryInterface(pUnk, ref iid, out ppv);
                if(ppv != IntPtr.Zero)
                {
                    System.Diagnostics.Debug.WriteLine(t.FullName);
                }
            }
            catch { }
        }
    }
    catch { }
}