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FileWebRequest.BeginGetResponse Method

Begins an asynchronous request for a file system resource.

Namespace:  System.Net
Assembly:  System (in System.dll)

[<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)>]
abstract BeginGetResponse : 
        callback:AsyncCallback * 
        state:Object -> IAsyncResult 
[<HostProtectionAttribute(SecurityAction.LinkDemand, ExternalThreading = true)>]
override BeginGetResponse : 
        callback:AsyncCallback * 
        state:Object -> IAsyncResult 

Parameters

callback
Type: System.AsyncCallback
The AsyncCallback delegate.
state
Type: System.Object
An object that contains state information for this request.

Return Value

Type: System.IAsyncResult
An IAsyncResult that references the asynchronous request.

ExceptionCondition
InvalidOperationException

The stream is already in use by a previous call to BeginGetResponse.

WebException

The FileWebRequest was aborted.

The asynchronous callback method that implements the AsyncCallback delegate uses the EndGetResponse method to return the actual FileWebResponse.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: ExternalThreading. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

The following code example uses the BeginGetResponse method to asynchronously access a file system resource.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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