IMetadataExchange.BeginGet(Message, AsyncCallback, Object) 方法

定义

命名空间:

System.ServiceModel.Description

程序集:

System.ServiceModel.dll

开始元数据的异步检索。

public:
 IAsyncResult ^ BeginGet(System::ServiceModel::Channels::Message ^ request, AsyncCallback ^ callback, System::Object ^ state);

[System.ServiceModel.OperationContract(Action="http://schemas.xmlsoap.org/ws/2004/09/transfer/Get", AsyncPattern=true, ReplyAction="http://schemas.xmlsoap.org/ws/2004/09/transfer/GetResponse")]
public IAsyncResult BeginGet (System.ServiceModel.Channels.Message request, AsyncCallback callback, object state);

[<System.ServiceModel.OperationContract(Action="http://schemas.xmlsoap.org/ws/2004/09/transfer/Get", AsyncPattern=true, ReplyAction="http://schemas.xmlsoap.org/ws/2004/09/transfer/GetResponse")>]
abstract member BeginGet : System.ServiceModel.Channels.Message * AsyncCallback * obj -> IAsyncResult

Public Function BeginGet (request As Message, callback As AsyncCallback, state As Object) As IAsyncResult

参数

request

Message

应处理以确定要返回的元数据的 Message。

callback

AsyncCallback

指向将处理元数据的方法的 AsyncCallback。

state

Object

允许调用方确定要返回的异步调用的任意数据。

返回

IAsyncResult

一个 IAsyncResult，可传递给 EndGet(IAsyncResult) 方法。

属性

OperationContractAttribute