Articolo
11/17/2011

GroupDescription Class

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

Provides a base class for defining how to divide the items in a collection into groups.

Inheritance Hierarchy

System.Object
System.ComponentModel.GroupDescription
System.Windows.Data.PropertyGroupDescription

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

Syntax

'Declaration
Public MustInherit Class GroupDescription _
    Implements INotifyPropertyChanged

public abstract class GroupDescription : INotifyPropertyChanged

The GroupDescription type exposes the following members.

Constructors

	Name	Description
	GroupDescription	Initializes a new instance of the GroupDescription class.

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Properties

	Name	Description
	GroupNames	Gets the collection of group names.

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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.)
	GroupNameFromItem	Returns the group name or names for the specified item.
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	NamesMatch	Indicates whether the specified item belongs in the specified group.
	OnPropertyChanged	Raises the PropertyChanged event.
	ShouldSerializeGroupNames	Indicates whether the group names should be serialized.
	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 has changed.

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Explicit Interface Implementations

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

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Remarks

This type is used by the ICollectionView.GroupDescriptions and CollectionViewSource.GroupDescriptions properties.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

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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