public TabGroup(TabGroupService tabGroupService, IMenuService menuService, IWpfFocusService wpfFocusService, TabGroupServiceOptions options) {
this.options = options;
tabContentAttached = new WeakEventList<TabContentAttachedEventArgs>();
this.tabGroupService = tabGroupService;
this.wpfFocusService = wpfFocusService;
tabControl = new TabControl();
tabControl.DataContext = this;
tabControl.SetStyle(options.TabControlStyle ?? "FileTabGroupTabControlStyle");
tabControl.SelectionChanged += TabControl_SelectionChanged;
tabControl.PreviewKeyDown += TabControl_PreviewKeyDown;
if (options.InitializeContextMenu != null)
contextMenuProvider = options.InitializeContextMenu(menuService, this, tabControl);
else if (options.TabGroupGuid != Guid.Empty)
contextMenuProvider = menuService.InitializeContextMenu(tabControl, options.TabGroupGuid, new GuidObjectsProvider(this));
}
