AnnouncementService.OnBeginOnlineAnnouncement 方法

定義

命名空間:

System.ServiceModel.Discovery

組件:

System.ServiceModel.Discovery.dll

開始處理傳入的線上公告 (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

此訊息在目前的通知序列中的位置。

endpointDiscoveryMetadata

EndpointDiscoveryMetadata

提供端點中繼資料的物件，例如範圍、接聽 URI、合約名稱和端點位址。

callback

AsyncCallback

要在非同步作業完成時呼叫的方法。

state

Object

基礎結構定義的狀態資料。

傳回

IAsyncResult

暫止之非同步要求的狀態。

備註

繼承自 AnnouncementService 以實作自訂公告接聽程式服務的類別，必須覆寫此方法並開始處理傳入的 Hello 訊息。