[Mono-dev] WebClient.DownloadFile doesn't work on Windows

Petit Eric surfzoid at gmail.com
Thu Apr 23 08:03:56 EDT 2009

I had same kind of problem when writed MonoOSC, you can find my
solution in source of it, but guess it will be too more compliceted
for just dll one file, so i suggest you this more simple one i writed

2009/4/23 Andoni Morales <ylatuya at gmail.com>:
> I'm trying to implement an updates notifier for my program. It
> downloads an XML file describing to latest version using
> "WebClient.DownloadFile" and compares the actual version number with
> the one installed
> (https://forja.rediris.es/plugins/scmsvn/viewcvs.php/LongoMatch/trunk/LongoMatch/Updates/Updater.cs?root=csl-longomatch&rev=637&view=markup).
> On Linux everything works fine, but on Windows I get the following
> exception:
> System.Net.WebException: An error occurred performing a WebClient
> request. ---> System.NotSupportedException:
> http://www.ylatuya.es/updates/version.xml
>  at System.Net.WebRequest.GetCreator (System.String prefix) [0x00000]
>  at System.Net.WebRequest.Create (System.Uri requestUri) [0x00000]
>  at System.Net.WebClient.SetupRequest (System.Uri uri) [0x00000]
>  at System.Net.WebClient.DownloadFileCore (System.Uri address,
> System.String fileName, System.Object userToken) [0x00000]
>  at System.Net.WebClient.DownloadFile (System.Uri address,
> System.String fileName) [0x00000]
>  --- End of inner exception stack trace ---
>  at System.Net.WebClient.DownloadFile (System.Uri address,
> System.String fileName) [0x00000]
>  at System.Net.WebClient.DownloadFile (System.String address,
> System.String fileName) [0x00000]
>  at (wrapper remoting-invoke-with-check)
> System.Net.WebClient:DownloadFile (string,string)
>  at LongoMatch.Updates.Updater.FetchNewVersion () [0x00000]
> BTW, I'm using Mono-2.4.
> Regards,
> Andoni Morales Alastruey
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> Mono-devel-list at lists.ximian.com
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