Hello,
It seems that there is a bug in the RibbonTool class. NullReferenceException is raised when setting the Command property to null. Can you please fix it in the upcoming service release?
Thanks,
Gary
HI,
I was not able to reproduce your issue using the 12.1 release build.
I am attaching my sample, please feel free to modify it so that it replicates your issue.
Sincerely,
Matt, Developer Support Engineer
Hi Matt,
Please see attached.
Hi,
I was able to reproduce the issue and logged it to our development staff. It's already been fixed and it will be a part of the upcoming Service Release.
Thanks for reporting the issue!
Regards,
The issue is resolved in the latest Service Release (build Silverlight.Nightly_12.1.20121.2003).
Updating to this SR should fix the issue.
Hope this helps,
Please let me know if you need further assistance regarding this issue.
Sincerely, Matt Developer Support Engineer