My practice for developing windows application.
Lab1 is from http://msdn.microsoft.com/en-us/windows/apps/jj674832.aspx
HelloWorld is from http://msdn.microsoft.com/ja-jp/library/windows/apps/hh986964.aspx
HelloWorld2 is from http://msdn.microsoft.com/ja-jp/library/windows/apps/hh986966.aspx
HelloWorldWithPages is from http://msdn.microsoft.com/ja-jp/library/windows/apps/jj663505.aspx