SuperSocket AppServer 的两个事件： NewSessionConnected 和 SessionClosed

订阅事件：

appServer.NewSessionConnected += new SessionHandler<AppSession>(appServer_NewSessionConnected);

appServer.SessionClosed += new SessionHandler<AppSession, CloseReason>(appServer_SessionClosed);

定义事件处理方法：

static void appServer_SessionClosed(AppSession session, CloseReason reason)

{

Console.WriteLine("A session is closed for {0}.", reason);

}

static void appServer_NewSessionConnected(AppSession session)

{

session.Send("Welcome to SuperSocket Telnet Server");

}