[Mono-bugs] [Bug 666413] Subclassing Attributes, not being generated in Manifest...

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Sep 20 17:31:19 EDT 2011


https://bugzilla.novell.com/show_bug.cgi?id=666413

https://bugzilla.novell.com/show_bug.cgi?id=666413#c4


Jonathan Pobst <jpobst at xamarin.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |jpobst at xamarin.com
         Resolution|                            |WONTFIX

--- Comment #4 from Jonathan Pobst <jpobst at xamarin.com> 2011-09-20 21:31:18 UTC ---
We have decided this is too expensive to support.

Currently, we scan every type looking for the string
"Android.App.ActivityAttribute", etc.  To support this, we would have to check
*every* attribute to see if it derived from one of our attributes.

This is an expensive operation whose cost would be endured by every user,
whether they use their own attributes or not.

To make sure no one tries to do this and gets unexpected behavior, these
Attributes will be sealed in 2.0.

Thank you for the suggestion.  I'm sorry we can't implement it.

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