[In response to follow-up discussion:]
So, are you saying you could not find appropriate articles in MSDN? First, how about other than MSDN? What's wrong about this one:
http://www.c-sharpcorner.com/UploadFile/65fc13/drawing-features-in-windows-8-metro-style-apps/[
^]?
As to MSDN, please see this:
http://msdn.microsoft.com/en-us/library/windows/apps/br229583.aspx[
^].
Look at the section "Rich visuals and media", in particular, this part:
http://msdn.microsoft.com/en-us/library/windows/apps/xaml/hh465055.aspx[
^].
If I really needed it right now and had time, I would stop finding excuses about lack of articles (who needs those excuses? not you) and would start immediately. There is more than enough publications good to start.
—SA