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IRequestChannel.BeginRequest Method (Message, AsyncCallback, Object)

.NET Framework 4.5

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
)

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.IAsyncResult
The IAsyncResult that references the asynchronous message transmission.

Remarks

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.

Examples

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);
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

IRequestChannel Interface

BeginRequest Overload

System.ServiceModel.Channels Namespace

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