Getting value as 'Null' and count as 0 while finding/locating sub element/children within app window of windows 8.1 metro style app.

Thanks for help and link for my uploaded file on OneDrive is as follows:

http://ift.tt/1vinhh4

This c# project where we tried UI automation for Microsoft Lync application. We are getting value for variable 'aePane' as Null.

Thanks,

Mrudula