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C# PagedCollectionView.CancelNew方法代码示例

本文整理汇总了C#中System.Windows.Data.PagedCollectionView.CancelNew方法的典型用法代码示例。如果您正苦于以下问题:C# PagedCollectionView.CancelNew方法的具体用法?C# PagedCollectionView.CancelNew怎么用?C# PagedCollectionView.CancelNew使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.Windows.Data.PagedCollectionView的用法示例。


在下文中一共展示了PagedCollectionView.CancelNew方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: CannotRefreshTest

        public void CannotRefreshTest()
        {
            ObservableCollection<TestClass> collection = new ObservableCollection<TestClass>() { new TestClass() };
            PagedCollectionView pcv = new PagedCollectionView(collection);

            // show that we will throw an exception if we try to change the PageSize while adding
            pcv.AddNew();
            PagedCollectionViewTest.AssertExpectedException(
                new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Refresh")),
                delegate
                {
                    pcv.Refresh();
                });
            pcv.CancelNew();

            // show that we will throw an exception if we try to change the PageSize while editing
            pcv.EditItem(pcv[0]);
            PagedCollectionViewTest.AssertExpectedException(
                new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, PagedCollectionViewResources.OperationNotAllowedDuringAddOrEdit, "Refresh")),
                delegate
                {
                    pcv.Refresh();
                });
        }
开发者ID:kvervo,项目名称:HorizontalLoopingSelector,代码行数:24,代码来源:MiscellaneousTests.cs

示例2: OnCollectionChangedTest

        public void OnCollectionChangedTest()
        {
            List<EditableTestClass> efbList = new List<EditableTestClass>();
            ObservableCollection<TestClass> fbCollection = new ObservableCollection<TestClass>();

            PagedCollectionView pcv1 = new PagedCollectionView(efbList);
            PagedCollectionView pcv2 = new PagedCollectionView(fbCollection);
            pcv1.CollectionChanged += new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
            pcv2.CollectionChanged += new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);

            this._expectedAction = NotifyCollectionChangedAction.Reset;
            this.AssertExpectedEvent(delegate { pcv1.Refresh(); });

            this._expectedAction = NotifyCollectionChangedAction.Reset;
            this.AssertExpectedEvent(delegate { fbCollection.Clear(); });

            this._expectedAction = NotifyCollectionChangedAction.Add;
            this.AssertExpectedEvent(delegate { fbCollection.Add(new TestClass()); });

            EditableTestClass efb;
            this._expectedAction = NotifyCollectionChangedAction.Add;
            this.AssertExpectedEvent(delegate { efb = pcv1.AddNew() as EditableTestClass; });

            pcv1.CommitNew();

            // Add, then Cancel to fire a Remove
            this._expectedAction = NotifyCollectionChangedAction.Add;
            this.AssertExpectedEvent(delegate { pcv1.AddNew(); });

            this._expectedAction = NotifyCollectionChangedAction.Remove;
            this.AssertExpectedEvent(delegate { pcv1.CancelNew(); });

            // Set PageSize to 1 to Reset
            this._expectedAction = NotifyCollectionChangedAction.Reset;
            this.AssertExpectedEvent(delegate { pcv1.PageSize = 1; });

            // Remove an Item
            this._expectedAction = NotifyCollectionChangedAction.Remove;
            this.AssertExpectedEvent(delegate { pcv1.RemoveAt(0); });

            pcv2.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
            pcv1.CollectionChanged -= new NotifyCollectionChangedEventHandler(this.PagedCollectionViewCollectionChanged);
        }
开发者ID:kvervo,项目名称:HorizontalLoopingSelector,代码行数:43,代码来源:MiscellaneousTests.cs

示例3: CannotChangePageSize

        public void CannotChangePageSize()
        {
            ObservableCollection<TestClass> collection = new ObservableCollection<TestClass>() { new TestClass() };
            PagedCollectionView pcv = new PagedCollectionView(collection);

            // show that we will throw an exception if we try to change the PageSize while adding
            pcv.AddNew();
            PagedCollectionViewTest.AssertExpectedException(
                new InvalidOperationException(PagedCollectionViewResources.ChangingPageSizeNotAllowedDuringAddOrEdit),
                delegate
                {
                    pcv.PageSize = 10;
                });
            pcv.CancelNew();

            // show that we will throw an exception if we try to change the PageSize while editing
            pcv.EditItem(pcv[0]);
            PagedCollectionViewTest.AssertExpectedException(
                new InvalidOperationException(PagedCollectionViewResources.ChangingPageSizeNotAllowedDuringAddOrEdit),
                delegate
                {
                    pcv.PageSize = 10;
                });
        }
开发者ID:kvervo,项目名称:HorizontalLoopingSelector,代码行数:24,代码来源:MiscellaneousTests.cs


注:本文中的System.Windows.Data.PagedCollectionView.CancelNew方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。