private delegate void ValidateEvent(int eventCode);

        private static void ValidateEventCallback(int eventCode)

        {

            Debug.Print("Validate Event:" + eventCode.ToString());

        }

typedef void ( *CPPCallback )(

    int eventCode);

STDMETHODIMP CValidator::ValidateEvent(int procAddress)

{

    // TODO: 在此添加实现代码

    this->validateEventProc = (CPPCallback)procAddress;

    return S_OK;

}

var method = new ValidateEvent(ValidateEventCallback);

var methodAddress = Marshal.GetFunctionPointerForDelegate(method);

securityValidator.ValidateEvent(methodAddress.ToInt32());