IRequestChannel.BeginRequest Method (Message, AsyncCallback, Object)


Begins an asynchronous operation to transmit a request message to the reply side of a request-reply message exchange.

Namespace:   System.ServiceModel.Channels
Assembly:  System.ServiceModel (in System.ServiceModel.dll)

IAsyncResult BeginRequest(
	Message message,
	AsyncCallback callback,
	object state


Type: System.ServiceModel.Channels.Message

The request Message to be transmitted.

Type: System.AsyncCallback

The AsyncCallback delegate that receives the notification of the completion of the asynchronous operation transmitting a request message.

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.IAsyncResult

The 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.

The following code shows how to implement this method.

public IAsyncResult BeginRequest(Message message,
    AsyncCallback callback, object state)
    return this.InnerChannel.BeginRequest(message,
        callback, state);

Universal Windows Platform
Available since 8
.NET Framework
Available since 3.0
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
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