Hide Tile Screen of powerpoint

[Dileep]

Hello,
I developed a Com-addins for powerpoint 2007 and 2003 using c#.net 2008
and Vsto and .net framework is 3.5.
When my application runs , it will load PowerPoint 2007. I want to hide the
Tile screen of powerpoint using code if i checked the checkbox otherwise not
hide the tile screen.How can i do that?.

Thanks
Dileep