IRequestChannel.BeginRequest Method (Message, AsyncCallback, Object)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
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)
Syntax
'Declaration
Function BeginRequest ( _
message As Message, _
callback As AsyncCallback, _
state As Object _
) As IAsyncResult
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 illustrates how to implement this method:
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.
See Also