Implementing the font size of CT_Font in a C# way using a Nullable state of the classes to represent not set.
Implementing the font size of CT_Font in a C# way using a Nullable state of the classes to represent not set.

git-svn-id: c2c5d07e262ed50e40b747c12a6c75ebdd83f29b@388 3d0cb27c-5942-9f1f-b0c8-b51bd5f61ba7

akrisiun/npoi,vinod1988/npoi,stuartwmurray/npoi,JesseQin/npoi,tkalubi/npoi-1,xl1/npoi,Yijtx/npoi,jcridev/npoi,antony-liu/npoi,tonyqus/npoi