BetterListViewLayoutGroups overview
 AllowsExpandableGroups | layout allows expand buttons on groups | 
 ImageSize | group image area size | 
 MinimumSize | minimum group size | 
 MinimumTextHeight | minimum group text area height | 
               
              BetterListViewLayoutGroups Constructor
             | 
            Initializes a new instance of the BetterListViewLayoutGroups class. | 
 SetDefaultsInternal | Set default layout properties without calling OnPropertyChanged. | 
BetterListViewLayoutGroups Class | ComponentOwl.BetterThumbnailBrowser Namespace