public IntPtr CreateInstance(CLSCTX dwContext, string server) { IntPtr pInterface = IntPtr.Zero; if (dwContext == CLSCTX.ALL) { if (DefaultServerType == COMServerType.InProcServer32) { dwContext = CLSCTX.INPROC_SERVER; } else if (DefaultServerType == COMServerType.LocalServer32) { dwContext = CLSCTX.LOCAL_SERVER; } else if (DefaultServerType == COMServerType.InProcHandler32) { dwContext = CLSCTX.INPROC_HANDLER; } else { dwContext = CLSCTX.SERVER; } } Guid iid = COMInterfaceEntry.CreateKnownInterface(m_registry, COMInterfaceEntry.KnownInterfaces.IUnknown).Iid; return(COMUtilities.CreateInstance(Clsid, iid, dwContext, server)); }