[Guid("D139A1E0-1B3F-480c-A712-C0066F029D63")]
    [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
    [ComVisible(true)]
    public interface IDBEvents
    {
        void GetEvents([MarshalAs(UnmanagedType.LPArray)]out EventsResp[] respdata);

    }

 [ClassInterface(ClassInterfaceType.None)]
    [Guid("A6B5E08B-8E05-47ed-998E-26C10F8A45B1")]
    [ProgId("DBEventWrapper.CDBEventsWrapper")]
    [ComVisible(true)]
    public class CDBEventsWrapper:IDBEvents
    {
        // Implemented the getevents method here;
    }

    [ComVisible(true)]
    [Guid("1C89CA17-75AB-4931-A41E-3D3DE47B7FBC")]
    public struct EventsResp
    {
        public long veMask;
        public long eventstate;
        public DateTime time;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string message;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string srce;
        public ulong tType;
        public ulong cat;
        public ulong sevr;
    }

Wrapper::EventsResp *events;
        Wrapper::IEventsPtr m_Rtdbevents;
        m_dbevents..CreateInstance (DBEventWrapper::CLSID_CDBEventsWrapper);
        m_dbevents->GetEvents(&events);