Public Function DownloadStringTaskAsync( _
   ByVal uri As Uri, _
   Optional ByVal parameters As IDictionary(Of String,String), _
   Optional ByVal httpMethod As ArcGISWebClient.HttpMethods _
) As Task(Of String)

public Task<string> DownloadStringTaskAsync( 
   Uri uri,
   IDictionary<string,string> parameters,
   ArcGISWebClient.HttpMethods httpMethod
)

Parameters

uri

A System.Uri containing the URI to download.

parameters

The collection of query key/value pairs associated with the request.

httpMethod

The HTTP method to use.

Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family, Windows 7, Windows 8

Reference