Regard The Sequence of XAML Style Definition

Going through a Windows Store App XAML sample, I came to the point where a pre-defined style, located in Common/StandardStyles.xaml file, should be used. The tutorial at msdn.microsoft.com/en-us/library/windows/apps/jj215600.aspx told me to remove the comments of PicturesAppBarButtonStyle. Well, that was not that hard. I deleted the XML comment markup and moved …