C# ListCollectionView.MoveCurrentToPosition方法代码示例

        public ChangeCarParentDialog(CarObject car) {
            InitializeComponent();
            DataContext = this;

            Buttons = new[] {
                OkButton, 
                CreateExtraDialogButton(ControlsStrings.CarParent_MakeIndependent, () => {
                    Car.ParentId = null;
                    Close();
                }),
                CancelButton
            };

            Car = car;
            Filter = car.Brand == null ? "" : @"brand:" + car.Brand;

            CarsListView = new ListCollectionView(CarsManager.Instance.LoadedOnly.Where(x => x.ParentId == null && x.Id != Car.Id).ToList()) {
                CustomSort = this
            };

            UpdateFilter();
            if (car.Parent == null) {
                CarsListView.MoveCurrentToPosition(0);
            } else {
                CarsListView.MoveCurrentTo(car.Parent);
            }

            Closing += CarParentEditor_Closing;
        }

 public CustomerListModel(List<Customer> data)
 {
     _data = data;
     _customers = (ListCollectionView) CollectionViewSource.GetDefaultView(_data);
     _customers.Filter = FilterCustomers;
     _customers.CurrentChanged += CustomerChanged;
     _customers.CustomSort = new CustomerSorter();
     _customers.MoveCurrentToPosition(-1);
 }

 public AccountTransactionViewModel(IFileProcessorFactory processorFactory, IViewThreadExecutor viewThreadExecutor, IDataService dataService, IAccTransactionValidator validator)
 {
     var processorTable = processorFactory.ProcessorNames.ToDictionary(x => x, x => processorFactory.GetFileProcessor(x));
     var details = processorFactory
         .ProcessorNames
         .Select(x =>
         {
             var fileProcessor = processorFactory.GetFileProcessor(x);
             var allFileDetails = fileProcessor.GetAllFileNames()
             .Select(fileName => new FileDetailViewModel(fileName, dataService, viewThreadExecutor, fileProcessor, validator))
             .ToArray();
             return new ProcessorDetails(x, allFileDetails);
         }).ToList();
     ProcessorDetails = new ListCollectionView(details);
     if(details.Count > 0)
         ProcessorDetails.MoveCurrentToPosition(0);
 }

 public static ListCollectionView GetSitesView(OnlineVideosMainWindow window, string preselectedSiteName = null)
 {
     int? indexToSelect = null;
     List<Site> convertedSites = new List<Site>();
     int i = 0;
     foreach (var s in OnlineVideos.OnlineVideoSettings.Instance.SiteUtilsList.Values)
     {
         if (preselectedSiteName != null && s.Settings.Name == preselectedSiteName) indexToSelect = i;
         convertedSites.Add(new Site(s));
         i++;
     }
     ListCollectionView view = new ListCollectionView(convertedSites)
     {
         Filter = new Predicate<object>(s => ((ViewModels.Site)s).Name.ToLower().Contains(window.CurrentFilter)),
     };
     if (indexToSelect != null) view.MoveCurrentToPosition(indexToSelect.Value);
     return view;
 }

        /// <summary>
        /// Create a new instance of <see cref="WorkspaceViewModel"/>
        /// </summary>
        public WorkspaceViewModel()
        {

            ToggleControl = new DelegateCommand<UIElement>(this.OnToggleControl);

            AddWorkspaceCommand = new DelegateCommand<TextBox>(
               this.OnAddWorkspaceCommand);

            RemoveWorkspaceCommand = new DelegateCommand(
                this.OnRemoveWorkspaceCommand);

            OpenWorkspace = new DelegateCommand(
                this.OnOpenWorkspace);

            ObservableCollection<WorkspaceModel> data = new ObservableCollection<WorkspaceModel>(
              service.Load());

            CurrentWorkspaces = new ListCollectionView(
                data);

            CurrentWorkspaces.MoveCurrentToPosition(-1);
            CurrentWorkspaces.CurrentChanged += CurrentWorkspaces_CurrentChanged;

        }

 public static ListCollectionView GetCategoriesView(OnlineVideosMainWindow window, IList<OnlineVideos.Category> categories, string preselectedCategoryName = null)
 {
     int? indexToSelect = null;
     List<Category> convertedCategories = new List<Category>();
     int i = 0;
     if (categories != null)
     {
         foreach (var c in categories)
         {
             if (preselectedCategoryName != null && c.Name == preselectedCategoryName) indexToSelect = i;
             convertedCategories.Add(new Category(c));
             i++;
         }
     }
     ListCollectionView view = new ListCollectionView(convertedCategories)
     {
         Filter = new Predicate<object>(cat => (((Category)cat).Name ?? "").ToLower().Contains(window.CurrentFilter))
     };
     if (indexToSelect != null) view.MoveCurrentToPosition(indexToSelect.Value);
     return view;
 }