Comment 1 by mdcurran on 2012-06-27 22:50
Unless something has changed, you should be able to use text review commands to read the document. I don't believe that app has an actual system caret so simply using the arrow keys is out of the question with out very specific support for that app. Its not simple enough to assume that NVDA will work with it just because Narrator may have custom support.

Comment 2 by erion (in reply to comment 1) on 2012-06-27 23:03
Replying to mdcurran:

I don't believe that app has an actual system caret so simply using the arrow keys is out of the question with out very specific support for that app. Its not simple enough to assume that NVDA will work with it just because Narrator may have custom support.

As far as I know Narrator is able to retrieve text with its own cursor.
However, since metro apps on the surface are html documents, isn't it possible to load their content into a NVDA buffer? At the moment this does not happen, thus a lot of metro apps are not really accessible, e.g. the mail app, calendar, etc.

Comment 3 by jteh (in reply to comment 2) on 2012-07-09 05:15
Replying to erion:

However, since metro apps on the surface are html documents

My understanding is that not all Metro apps are HTML, but I could be wrong about this. Certainly, if the app is HTML based, it should already be rendered in browse mode.

Comment 4 by erion (in reply to comment 3) on 2012-07-09 07:37
Replying to jteh:

My understanding is that not all Metro apps are HTML, but I could be wrong about this.

According to http://www.developer.com/net/considerations-for-building-windows-8-metro-applications.html a metro app can be developed also in XAML. I'm not sure if this is rendered to html though. I seem to recall that this is also used in WPF apps where it is.

@josephsl, do you know if Metro apps have been officially superseded by UWD apps or whether they are still supported by Microsoft?

I am closing this issue as abandoned, probably metro apps have significantly changed since this issue has been reported, and we don't have any updates on the current situation since years. Microsoft officially announced that that technology is now integrated into the UWP app environment. Many old metro apps have been discontinued and replaced by UWP apps, see for example metrotweet. Please open a new updated issue if there is any issue with a specific app and we can start the discussion from there.