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
	AutoCreateDetailDescriptions	Gets a value indicating whether the detail descriptions are automatically created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	AutoCreateForeignKeyDescriptions	Gets a value indicating whether the foreign key descriptions are automatically created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	AutoCreateItemProperties	Gets a value indicating whether the item properties are automatically created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	AutoFilterMode	Gets or sets a value indicating how automatic filtering of the data items will be performed. (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	Gets or sets the culture to use during sorting. (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)
	DetailDescriptions	Gets a collection of DataGridDetailDescription objects that provide information on the details that will be contained in a grid, including sorting, grouping, and child detail descriptions. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	Dispatcher	(Inherited from System.Windows.Threading.DispatcherObject)
	DistinctValuesConstraint	Gets or sets a value representing the constraint applied to the DistinctValues when automatically filtering data items. (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)
	FilterCriteriaMode	Gets or sets a value indicating how filters entered into a FilterRow are applied. (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	Gets the DataGridItemProperty objects that determine the characteristics of the items contained in the view. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	ItemType	Gets the type of the items contained in the collection view. (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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Extension Methods

	Name	Description
	ShowDialog	Overloaded.

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Public Events

	Name	Description
	AutoFilterValuesChanged	Occurs after the AutoFilterValues of the DataGridItemProperty of a detail level changes. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	BeginningEdit	Raised when the EditItem method has been called to signal that the edit process of an item in the underlying data source is about to begin. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CancelingEdit	Raised when the CancelEdit >method has been called to signal that the edit process of an item in the underlying data source is about to be canceled. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CancelingNewItem	Raised when the CancelNew method has been called to signal that the insertion process of a new item is about to be canceled. (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	Raised when the CommitEdit method has been called to signal that modifications made to an item in the underlying data source are about to be committed. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CommittingNewItem	Raised when the CommitNew method has been called to signal that a new item is about to be committed to the underlying data source. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	CreatingNewItem	Raised when the AddNew method has been called to signal that a new item is about to be created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	DistinctValuesRefreshNeeded	Raised when the distinct values need to be refreshed. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditBegun	Raised after the BeginningEdit event to signal that the edit process of an item in the underlying data source has begun. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditCanceled	Raised after the CancelingEdit event to signal that the edit process of an item in the underlying data source has been canceled. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	EditCommitted	Raised after the CommittingEdit event to signal that the modifications made to an item in the underlying data source have been committed. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	Filter	(Inherited from System.Windows.Data.CollectionViewSource)
	InitializingNewItem	Raised after the CreatingNewItem event to allow the new item to be initialized. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	ItemRemoved	Raised after the RemovingItem event to signal that an item has been removed from the underlying data source. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCanceled	Raised after the CancelingNewItem event to signal that the insertion process of a new item has been canceled. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCommitted	Raised after the CommittingNewItem event to signal that a new item has been committed to the underlying data source. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	NewItemCreated	Raised after the CreatingNewItem and InitializingNewItem events to signal that a new item has been created. (Inherited from Xceed.Wpf.DataGrid.DataGridCollectionViewSourceBase)
	RemovingItem	Raised when the Remove ora href="Xceed.Wpf.DataGrid~Xceed.Wpf.DataGrid.DataGridCollectionViewBase~RemoveAt.html">RemoveAt methods have been called to signal that an item is about to be removed from the underlying data source. (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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