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11/18/2011

CollectionViewGroup Class

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Represents a group created by a PagedCollectionView object based on its GroupDescriptions.

Inheritance Hierarchy

System.Object
System.Windows.Data.CollectionViewGroup

Namespace: System.Windows.Data
Assembly: System.Windows (in System.Windows.dll)

Syntax

'Declaration
<TypeForwardedFromAttribute("System.Windows.Data, Version=2.0.5.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")> _
Public MustInherit Class CollectionViewGroup _
    Implements INotifyPropertyChanged

[TypeForwardedFromAttribute("System.Windows.Data, Version=2.0.5.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
public abstract class CollectionViewGroup : INotifyPropertyChanged

The CollectionViewGroup type exposes the following members.

Constructors

	Name	Description
	CollectionViewGroup	Initializes a new instance of the CollectionViewGroup class with the specified group name.

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Properties

	Name	Description
	IsBottomLevel	Gets a value that indicates whether this group has any subgroups.
	ItemCount	Gets the number of data items in the subtree under this group.
	Items	Gets the items that are immediate children of the group.
	Name	Gets the name of this group.
	ProtectedItemCount	Gets or sets the number of data items in the subtree under this group.
	ProtectedItems	Gets the immediate items that are contained in this group.

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Methods

	Name	Description
	Equals(Object)	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	OnPropertyChanged	Raises the PropertyChanged event with the provided arguments.
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Events

	Name	Description
	PropertyChanged	Occurs when a property value changes.

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Explicit Interface Implementations

	Name	Description
	INotifyPropertyChanged.PropertyChanged	For a description of this member, see INotifyPropertyChanged.PropertyChanged.

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Remarks

When you define groups by using GroupDescriptions, your view object wraps each group in a CollectionViewGroup object.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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