Returns a NamedStyle.BuiltIn object that represents the culture-independent name of this style. This is only useful for built-in styles that come with Word. Any custom styles will return UserDefined.

public BuiltIn BuiltInStyleName{ get; }
Public ReadOnly Property BuiltInStyleName() As BuiltIn
          NamedStyle.BuiltIn builtInStyle = namedStyl.BuiltInStyleName;
        
          Dim builtInStyle As NamedStyle.BuiltIn = namedStyl.BuiltInStyleName