WebSocketServerKeepAlivePeriod 属性

设置的参数，最小单位为1s，当超过设置的时间间隔必须回复PONG报文，否则服务器认定为掉线。默认120秒
Set the minimum unit of the parameter is 1s. When the set time interval is exceeded, the PONG packet must be returned, otherwise the server considers it to be offline. 120 seconds by default

public TimeSpan KeepAlivePeriod { get; set; }

Public Property KeepAlivePeriod As TimeSpan
	Get
	Set

public:
property TimeSpan KeepAlivePeriod {
	TimeSpan get ();
	void set (TimeSpan value);
}

member KeepAlivePeriod : TimeSpan with get, set