Opc.Ua.Com.Client.ComAeClient.CreateAreaBrowser C# (CSharp) Méthode

        public IOPCEventAreaBrowser CreateAreaBrowser()
        {
            object unknown = null;

            string methodName = "IOPCEventServer.CreateAreaBrowser";

            try
            {
                IOPCEventServer server = BeginComCall<IOPCEventServer>(methodName, true);
                Guid riid = typeof(IOPCEventAreaBrowser).GUID;
                server.CreateAreaBrowser(ref riid, out unknown);
            }
            catch (Exception e)
            {
                if (ComUtils.IsUnknownError(e, ResultIds.E_FAIL, ResultIds.E_NOTIMPL))
                {
                    ComCallError(methodName, e);
                }

                return null;
            }
            finally
            {
                EndComCall(methodName);
            }

            return (IOPCEventAreaBrowser)unknown;
        }