Class HierarchicalCollectionViewBase
Serves as a base class to all hierarchical views.
Inherited Members
Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Data.dll
Syntax
public abstract class HierarchicalCollectionViewBase : QueryableCollectionView, IEditableCollectionView, IEditableCollectionViewAddNewItem, ICollectionView, IEnumerable, INotifyCollectionChanged, INotifyPropertyChanged, IPagedCollectionView, IWeakEventListener<NotifyCollectionChangedEventArgs>, IWeakEventListener<CurrentChangingEventArgs>, IQueryableCollectionView, IItemProperties, IDisposableProperties
HierarchyDescriptors
Gets the hierarchy descriptors used for hierarchy construction. If this view is a child one, its root view hierarchy descriptors are returned.
Declaration
public abstract HierarchyDescriptorCollection HierarchyDescriptors { get; }Property Value
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Hierarchy The hierarchy descriptors. |
InternalCount
Protected accessor to private count.
Declaration
protected override int InternalCount { get; }Property Value
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System.
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Overrides
IsGrouped
Gets a value indicating whether this instance is grouped.
Declaration
public override bool IsGrouped { get; }Property Value
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System.
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Overrides
Remarks
Returns false. Grouping is not supported.
ShouldInitializeGroupProxy
Gets a value indicating whether should initialize group proxy.
Declaration
protected override bool ShouldInitializeGroupProxy { get; }Property Value
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System.
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Overrides
Remarks
Always false for HierarchicalCollectionViewBase.
Methods
CreateInternalList()
Called when internal list needs to be created.
Declaration
protected override void CreateInternalList()Overrides
CreateView()
Returns System.
Declaration
protected override IQueryable CreateView()Returns
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System.
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Overrides
Remarks
Overrides the CreateView method and returns a IQueryable view specific to the hierarchy collection view.
GetItemAt(Int32)
Retrieves the item at the specified zero-based index in the view.
Declaration
public override object GetItemAt(int index)Parameters
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System.
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Returns
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System.
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Overrides
InitializeInternalList(IQueryable)
Called when internal list should be initialized.
Declaration
protected override void InitializeInternalList(IQueryable view)Parameters
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System.
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Overrides
OnFilterDescriptorsChanged()
Called when anything in the filter descriptors changes.
Declaration
protected override void OnFilterDescriptorsChanged()Overrides
OnFilterDescriptorsCollectionChanged(Object, NotifyCollectionChangedEventArgs)
Invoked when the Filter
Declaration
protected override void OnFilterDescriptorsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)Parameters
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System. Current instance of the QueryableCollectionView collection. |
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System. Information about the change. |
Overrides
OnFilterDescriptorsItemChanged(Object, ItemChangedEventArgs<IFilterDescriptor>)
Invoked when the Filter
Declaration
protected override void OnFilterDescriptorsItemChanged(object sender, ItemChangedEventArgs<IFilterDescriptor> e)Parameters
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System. Current instance of the QueryableCollectionView collection. |
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Item Information about the change. |
Overrides
OnSortDescriptorsCollectionChanged(Object, NotifyCollectionChangedEventArgs)
Invoked when the Sort
Declaration
protected override void OnSortDescriptorsCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)Parameters
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System. Current instance of the QueryableCollectionView collection. |
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System. Information about the change. |
Overrides
PopulateInternalList(IQueryable)
Called when internal list should be populated.
Declaration
protected override void PopulateInternalList(IQueryable view)Parameters
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System.
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Overrides
RefreshOnItemAction(Object, ItemAction)
Refreshes the view according to the item and the respective action.
Declaration
protected override void RefreshOnItemAction(object item, ItemAction action)Parameters
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System. The item. |
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Item The action. |
Overrides
RefreshOverride()
Re-create the view over the associated IList.
Declaration
protected override void RefreshOverride()