AnnouncementService.OnBeginOnlineAnnouncement 方法

定義

命名空間:

System.ServiceModel.Discovery

組件:

System.ServiceModel.Discovery.dll

開始處理收到的線上公告（Hello）訊息。

protected:
 virtual IAsyncResult ^ OnBeginOnlineAnnouncement(System::ServiceModel::Discovery::DiscoveryMessageSequence ^ messageSequence, System::ServiceModel::Discovery::EndpointDiscoveryMetadata ^ endpointDiscoveryMetadata, AsyncCallback ^ callback, System::Object ^ state);

protected virtual IAsyncResult OnBeginOnlineAnnouncement(System.ServiceModel.Discovery.DiscoveryMessageSequence messageSequence, System.ServiceModel.Discovery.EndpointDiscoveryMetadata endpointDiscoveryMetadata, AsyncCallback callback, object state);

abstract member OnBeginOnlineAnnouncement : System.ServiceModel.Discovery.DiscoveryMessageSequence * System.ServiceModel.Discovery.EndpointDiscoveryMetadata * AsyncCallback * obj -> IAsyncResult
override this.OnBeginOnlineAnnouncement : System.ServiceModel.Discovery.DiscoveryMessageSequence * System.ServiceModel.Discovery.EndpointDiscoveryMetadata * AsyncCallback * obj -> IAsyncResult

Protected Overridable Function OnBeginOnlineAnnouncement (messageSequence As DiscoveryMessageSequence, endpointDiscoveryMetadata As EndpointDiscoveryMetadata, callback As AsyncCallback, state As Object) As IAsyncResult

參數

messageSequence

DiscoveryMessageSequence

這則訊息在當前通知序列中的位置。

endpointDiscoveryMetadata

EndpointDiscoveryMetadata

一個提供端點元資料的物件，例如範圍、監聽 URI、合約名稱和端點位址。

callback

AsyncCallback

非同步操作完成時呼叫的方法。

state

Object

基礎設施定義狀態資料。

傳回

IAsyncResult

待處理的非同步請求狀態。

備註

繼承自 以 AnnouncementService 實作自訂公告監聽服務的類別必須覆寫此方法並開始處理收到的 Hello 訊息。