public GuidesWorkersViewModel(IRegionManager RegionManager) { EnterprisesList = new ObservableCollection <Enterprises>(); EnterprisesList.AddRange(SessionsHelper.GetEnterprisesList()); PostsList = new ObservableCollection <Posts>(); PostsList.AddRange(SessionsHelper.GetPostsList()); ApplyGuidesPopupCommand = new DelegateCommand <object>(ApplyGuidesPopup); CloseGuidesPopupCommand = new DelegateCommand <object>(CloseGuidesPopup); }