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HttpClient.GetAsync Method (Uri, HttpCompletionOption, CancellationToken)

.NET Framework 4.5

Send a GET request to the specified Uri with an HTTP completion option and a cancellation token as an asynchronous operation.

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

public Task<HttpResponseMessage> GetAsync(
	Uri requestUri,
	HttpCompletionOption completionOption,
	CancellationToken cancellationToken
)

Parameters

requestUri
Type: System.Uri

The Uri the request is sent to.

completionOption
Type: System.Net.Http.HttpCompletionOption

An HTTP completion option value that indicates when the operation should be considered completed.

cancellationToken
Type: System.Threading.CancellationToken

A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>
Returns Task<TResult>.
The task object representing the asynchronous operation.

ExceptionCondition
ArgumentNullException

The requestUri was null.

This operation will not block. The returned Task<TResult> object will complete based on the completionOption parameter after the part or all of the response (including content) is read.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, 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.

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