TsgcWSPClient_sgc › 事件 › OnSubscription
当客户端已订阅某个频道时触发。
property OnSubscription: TsgcWSSubscriptionEvent;
// TsgcWSSubscriptionEvent = procedure(Connection: TsgcWSConnection; const Subscription: String) of object
—
服务器确认 Subscribe 请求后触发。Subscription 包含已激活的频道名称。从此时起,OnEvent 为该频道投递消息。
procedure TForm1.oProtocolSubscription(Connection: TsgcWSConnection; const Subscription: String);
begin
Memo1.Lines.Add('subscribed: ' + Subscription);
end;