IRequestChannel.BeginRequest Method (Message, AsyncCallback, Object)
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Begins an asynchronous operation to transmit a request message to the reply-side of a request-reply message exchange.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
'Declaration Function BeginRequest ( _ message As Message, _ callback As AsyncCallback, _ state As Object _ ) As IAsyncResult
Parameters
- message
- Type: System.ServiceModel.Channels.Message
The request Message to be transmitted.
- callback
- Type: System.AsyncCallback
The AsyncCallback delegate that receives the notification of the completion of the asynchronous operation transmitting a request message.
- state
- Type: System.Object
An object, specified by the application, that contains state information associated with the asynchronous operation transmitting a request message.
Return Value
Type: System.IAsyncResultThe IAsyncResult that references the asynchronous message transmission.
If the request message is larger that the maximum message size allowed by the binding being used, a QuotaExceededException is thrown. The maximum message size is set by the MaxReceivedMessageSize property. The default value is 65536 bytes.
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