1 write to _tabGroupHeaders
System.Windows.Controls.Ribbon (1)
Microsoft\Windows\Controls\Ribbon\Ribbon.cs (1)
432_tabGroupHeaders = new ObservableCollection<RibbonContextualTabGroup>();
3 references to _tabGroupHeaders
System.Windows.Controls.Ribbon (3)
Microsoft\Windows\Controls\Ribbon\Ribbon.cs (3)
430if (_tabGroupHeaders == null) 433_tabGroupHeaders.CollectionChanged += new NotifyCollectionChangedEventHandler(this.OnContextualTabGroupsCollectionChanged); 436return _tabGroupHeaders;