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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
Protected methodSupported by Silverlight for Windows Phone GroupDescription Initializes a new instance of the GroupDescription class.

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Properties

  Name Description
Public propertySupported by Silverlight for Windows Phone GroupNames Gets the collection of group names.

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Methods

  Name Description
Public methodSupported by Silverlight for Windows Phone Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows Phone 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.)
Public methodSupported by Silverlight for Windows Phone GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone GroupNameFromItem Returns the group name or names for the specified item.
Protected methodSupported by Silverlight for Windows Phone MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows Phone NamesMatch Indicates whether the specified item belongs in the specified group.
Protected methodSupported by Silverlight for Windows Phone OnPropertyChanged Raises the PropertyChanged event.
Public methodSupported by Silverlight for Windows Phone ShouldSerializeGroupNames Indicates whether the group names should be serialized.
Public methodSupported by Silverlight for Windows Phone ToString Returns a string that represents the current object. (Inherited from Object.)

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Events

  Name Description
Protected eventSupported by Silverlight for Windows Phone PropertyChanged Occurs when a property value has changed.

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Explicit Interface Implementations

  Name Description
Explicit interface implemetationPrivate event 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.