DataGridVirtualizingCollectionViewSourceBase Class

In This Topic

Gets or sets a value representing when the CommitItems event will be raised.

Syntax

Visual Basic
C#

'Declaration
 
<TypeDescriptionProviderAttribute(MS.Internal.ComponentModel.DependencyObjectProvider)>
<NameScopePropertyAttribute("NameScope", System.Windows.NameScope)>
Public MustInherit Class DataGridVirtualizingCollectionViewSourceBase 
   Inherits DataGridCollectionViewSourceBase

'Usage
 
Dim instance As DataGridVirtualizingCollectionViewSourceBase

[TypeDescriptionProvider(MS.Internal.ComponentModel.DependencyObjectProvider)]
[NameScopeProperty("NameScope", System.Windows.NameScope)]
public abstract class DataGridVirtualizingCollectionViewSourceBase : DataGridCollectionViewSourceBase

Remarks

A CommitMode value representing when the CommitItems event will be raised. By default, PageReleasedFromMemory meaning that theCommitItems event will only be raised for a page that was modified when it is about to be released from memory.

Inheritance Hierarchy

System.Object
   System.Windows.Threading.DispatcherObject
      System.Windows.DependencyObject
         System.Windows.Data.CollectionViewSource
            Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase
               Xceed.Wpf.DataGrid.DataGridVirtualizingCollectionViewSourceBase
                  Xceed.Wpf.DataGrid.DataGridVirtualizingCollectionViewSource
                  Xceed.Wpf.DataGrid.DataGridVirtualizingQueryableCollectionViewSource

Public Fields

	Name	Description
	CommitModeProperty	Identifies the CommitMode dependency property.
	MaxRealizedItemCountProperty	Identifies the MaxRealizedItemCount dependency property.
	PageSizeProperty	Identifies the PageSize dependency property.
	PreemptivePageQueryRatioProperty	Identifies the PreemptivePageQueryRatio dependency property.

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Public Properties

	Name	Description
	AutoCreateForeignKeyDescriptions	Gets a value indicating whether the foreign key descriptions are automatically created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	AutoCreateItemProperties	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CanChangeLiveFiltering	(Inherited from System.Windows.Data.CollectionViewSource)
	CanChangeLiveGrouping	(Inherited from System.Windows.Data.CollectionViewSource)
	CanChangeLiveSorting	(Inherited from System.Windows.Data.CollectionViewSource)
	CollectionViewType	(Inherited from System.Windows.Data.CollectionViewSource)
	CommitMode	Gets or sets a value representing when the CommitItems event will be raised.
	Culture	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	DefaultCalculateDistinctValues	Get or sets the default value of the CalculateDistinctValues property when a DataGridItemProperty has not explicitly set its value. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	DependencyObjectType	(Inherited from System.Windows.DependencyObject)
	Dispatcher	(Inherited from System.Windows.Threading.DispatcherObject)
	DistinctValuesConstraint	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	DistinctValuesUpdateMode	Gets or sets the mode that indicates when distinct values used by auto-filtering should be updated. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	GroupDescriptions	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveFiltering	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveFilteringRequested	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveGrouping	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveGroupingRequested	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveSorting	(Inherited from System.Windows.Data.CollectionViewSource)
	IsLiveSortingRequested	(Inherited from System.Windows.Data.CollectionViewSource)
	IsSealed	(Inherited from System.Windows.DependencyObject)
	ItemProperties	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	ItemType	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	LiveFilteringProperties	(Inherited from System.Windows.Data.CollectionViewSource)
	LiveGroupingProperties	(Inherited from System.Windows.Data.CollectionViewSource)
	LiveSortingProperties	(Inherited from System.Windows.Data.CollectionViewSource)
	MaxRealizedItemCount	Gets a value representing the maximum amount of items that can be loaded in memory.
	PageSize	Gets a value representing the number of items that are contained in each page of data that is loaded in memory.
	PreemptivePageQueryRatio	Gets or sets a value representing the percentage from the start or the end of a page that, when accessed, will cause the previous or next page to be queried and the items loaded in memory.
	SortDescriptions	(Inherited from System.Windows.Data.CollectionViewSource)
	Source	Gets or sets the collection from which the view is created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	View	(Inherited from System.Windows.Data.CollectionViewSource)

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Public Methods

	Name	Description
	ClearValue	Overloaded. (Inherited from System.Windows.DependencyObject)
	CoerceValue	(Inherited from System.Windows.DependencyObject)
	DeferRefresh	(Inherited from System.Windows.Data.CollectionViewSource)
	Equals	(Inherited from System.Windows.DependencyObject)
	GetHashCode	(Inherited from System.Windows.DependencyObject)
	GetLocalValueEnumerator	(Inherited from System.Windows.DependencyObject)
	GetValue	(Inherited from System.Windows.DependencyObject)
	InvalidateProperty	(Inherited from System.Windows.DependencyObject)
	ReadLocalValue	(Inherited from System.Windows.DependencyObject)
	SetCurrentValue	(Inherited from System.Windows.DependencyObject)
	SetValue	Overloaded. (Inherited from System.Windows.DependencyObject)

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Protected Methods

	Name	Description
	OnCollectionViewTypeChanged	Raised when the CollectionViewType property is changed. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	OnPropertyChanged	(Inherited from System.Windows.DependencyObject)
	OnSourceChanged	(Inherited from System.Windows.Data.CollectionViewSource)
	ReceiveWeakEvent	(Inherited from System.Windows.Data.CollectionViewSource)
	ShouldSerializeProperty	(Inherited from System.Windows.DependencyObject)

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Public Events

	Name	Description
	BeginningEdit	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CancelingEdit	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CancelingNewItem	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CommitItems	Raised when a page of data that contains edited items is about to be released from memory. This event must be handled when dealing with an editable grid.
	CommittingEdit	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CommittingNewItem	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CreatingNewItem	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	DistinctValuesRefreshNeeded	Raised when the distinct values need to be refreshed. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditBegun	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditCanceled	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditCommitted	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	Filter	(Inherited from System.Windows.Data.CollectionViewSource)
	InitializingNewItem	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	ItemRemoved	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCanceled	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCommitted	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCreated	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	RemovingItem	(Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)

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Requirements

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DataGridVirtualizingCollectionViewSourceBase Members
Xceed.Wpf.DataGrid Namespace

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