Ironruby core - Apr 2008 - Reading files in Dynamic Silverlight

Hi

I can''t work out how I can read external xaml files from Silverlight
with
IronRuby.
I''ve tried to use System::IO::File and StreamReader but both give me a
MethodAccessException.

How would I accomplish reading a xaml file in the xap with IronRuby and
Silverlight.

I would like to create a user control and load that into my main app.

System.IO.Stream s = this.GetType().Assembly.GetManifestResourceStream(
"story_details_view.xaml")

_root = this.InitializeFromXaml(new System.IO.StreamReader(s).ReadToEnd())
as UserControl;

I would also like to try to read an external xaml file for skinning
purposes.
Is that possible at this moment?

Cheers
Ivan
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Ivan Porto Carrero wrote:
> Hi
>
> I can''t work out how I can read external xaml files from
Silverlight
> with IronRuby.
> I''ve tried to use System::IO::File and StreamReader but both give
me a
> MethodAccessException.
>
> How would I accomplish reading a xaml file in the xap with IronRuby 
> and Silverlight.
>
> I would like to create a user control and load that into my main app.
>
> System.IO.Stream s = 
>
this.GetType().Assembly.GetManifestResourceStream("story_details_view.xaml")
>
>
> _root = this.InitializeFromXaml(new 
> System.IO.StreamReader(s).ReadToEnd()) as UserControl;
>
>
> I would also like to try to read an external xaml file for skinning 
> purposes.
> Is that possible at this moment?
>
In IronPython you just use the ordinary ''file'' type to open a
file that
is in the ''xap'' file as if it was a local resource. You may
find that
something similar is available in IronRuby.

Michael Foord
http://www.ironpythoninaction.com
> Cheers
> Ivan
> ------------------------------------------------------------------------
>
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
>

Michael Foord:
> In IronPython you just use the ordinary ''file'' type to
open a file that
> is in the ''xap'' file as if it was a local resource. You
may find that
> something similar is available in IronRuby.
I added this feature to IronPython to support the Peter Norvig spell check demo
that we used at MIX. I haven''t gotten around to adding that
functionality to IronRuby yet - it''s on the list of things to do.

Thanks,
-John

It''s not currently supported in IronRuby file IO, but here''s a
workaround (I haven''t tried this code in real, so it may not work :).

include Microsoft::Scripting::Silverlight

runtime = DynamicApplication::Environment
stream =
runtime.host.platform_adaptation_layer.open_input_file_stream("story_details_view.xaml")

stream is instance of the Stream class.

Tomas

-----Original Message-----
From: ironruby-core-bounces at rubyforge.org [mailto:ironruby-core-bounces at
rubyforge.org] On Behalf Of Michael Foord
Sent: Saturday, April 05, 2008 4:09 PM
To: ironruby-core at rubyforge.org
Subject: Re: [Ironruby-core] Reading files in Dynamic Silverlight

Ivan Porto Carrero wrote:
> Hi
>
> I can''t work out how I can read external xaml files from
Silverlight
> with IronRuby.
> I''ve tried to use System::IO::File and StreamReader but both give
me a
> MethodAccessException.
>
> How would I accomplish reading a xaml file in the xap with IronRuby
> and Silverlight.
>
> I would like to create a user control and load that into my main app.
>
> System.IO.Stream s >
this.GetType().Assembly.GetManifestResourceStream("story_details_view.xaml")
>
>
> _root = this.InitializeFromXaml(new
> System.IO.StreamReader(s).ReadToEnd()) as UserControl;
>
>
> I would also like to try to read an external xaml file for skinning
> purposes.
> Is that possible at this moment?
>
In IronPython you just use the ordinary ''file'' type to open a
file that
is in the ''xap'' file as if it was a local resource. You may
find that
something similar is available in IronRuby.

Michael Foord
http://www.ironpythoninaction.com
> Cheers
> Ivan
> ------------------------------------------------------------------------
>
> _______________________________________________
> Ironruby-core mailing list
> Ironruby-core at rubyforge.org
> http://rubyforge.org/mailman/listinfo/ironruby-core
>
_______________________________________________
Ironruby-core mailing list
Ironruby-core at rubyforge.org
http://rubyforge.org/mailman/listinfo/ironruby-core

Ivan Porto Carrero:
> I can''t work out how I can read external xaml files from
Silverlight
> with IronRuby.
> I''ve tried to use System::IO::File and StreamReader but both give
me a
> MethodAccessException.
>
> How would I accomplish reading a xaml file in the xap with IronRuby
> and Silverlight.
>
> I would like to create a user control and load that into my main app.
>
> System.IO.Stream s =
this.GetType().Assembly.GetManifestResourceStream("story_details_view.xaml")
>
> _root = this.InitializeFromXaml(new
> System.IO.StreamReader(s).ReadToEnd()) as UserControl;
I''m not sure why the above C# code wouldn''t "just
work". Which method call throws MethodAccessException?
The only thing that looks odd is the GetManifestResourceStream. The way
I''ve done it is:

s = System.Windows.Application.Current.GetResourceStream(new
Uri("story_details_view.xaml", UriKind.Relative));
> I would also like to try to read an external xaml file for skinning
> purposes.
> Is that possible at this moment?
Sure, just use the normal Silverlight downloading APIs. Check out the WebClient
and HttpWebRequest classes.

- John