skip navigation
  • Product Bundles

    DevCraft

    All Telerik .NET tools and Kendo UI JavaScript components in one package. Now enhanced with:

    • AI Coding Assistants
    • Embedded Reporting
    • Document Processing Libraries
    • SSO Account Sign-in

    Web

    Kendo UI UI for Angular UI for Vue UI for jQuery KendoReact UI for Blazor UI for ASP.NET Core UI for ASP.NET MVC UI for ASP.NET AJAX

    Mobile

    UI for .NET MAUI

    Document Management

    Telerik Document Processing

    Desktop

    UI for .NET MAUI UI for WinUI UI for WinForms UI for WPF

    Reporting

    Telerik Reporting Telerik Report Server

    Testing & Mocking

    Test Studio Telerik JustMock

    CMS

    Sitefinity

    AI Productivity Tools

    AI Coding Assistants

    UI/UX Tools

    ThemeBuilder Design System Kit Templates and Building Blocks

    Debugging

    Fiddler Fiddler Everywhere Fiddler Classic Fiddler Everywhere Reporter FiddlerCore

    Free Tools

    KendoReact Free VB.NET to C# Converter Testing Framework
    View all products
  • Overview
  • Demos
    • What's New
    • Roadmap
    • Release History
  • Support and Learning

    • Support and Learning Hub
    • First Steps
    • Docs
    • Demos
    • Virtual Classroom
    • Forums
    • Videos
    • Blogs
    • Accessibility
    • Submit a Ticket

    Productivity and Design Tools

    • Visual Studio Extensions
    • Visual Studio Templates
    • Embedded Reporting
  • Pricing
  • Shopping cart
    • Account Overview
    • Your Licenses
    • Downloads
    • Support Center
    • Forum Profile
    • Payment Methods
    • Edit Profile
    • Log out
  • Login
  • Contact Us
  • Try now

Class GroupDescriptor

Represents group descriptor, which groups by item's Member and sorts the groups by their System.Linq.IGrouping`2.Keys.

Inheritance
System.Object
InheritanceContextPropagator
DescriptorBase
GroupDescriptorBase
AggregatedGroupDescriptorBase
GroupDescriptor
Inherited Members
AggregatedGroupDescriptorBase.AggregateFunctionsProperty
AggregatedGroupDescriptorBase.AggregateFunctions
AggregatedGroupDescriptorBase.IAggregateFunctionsProvider.AggregateFunctions
GroupDescriptorBase.DisplayContentProperty
GroupDescriptorBase.CreateGroupKeyExpression(Expression)
GroupDescriptorBase.CreateGroupSortExpression(Expression)
GroupDescriptorBase.CycleSortDirection()
GroupDescriptorBase.SortDirection
GroupDescriptorBase.DisplayContent
DescriptorBase.OnPropertyChanged(PropertyChangedEventArgs)
DescriptorBase.OnPropertyChanged(String)
DescriptorBase.SuspendNotifications()
DescriptorBase.ResumeNotifications()
DescriptorBase.NotificationsSuspended
DescriptorBase.PropertyChanged
InheritanceContextPropagator.CreateInstanceCore()
InheritanceContextPropagator.FreezeCore(Boolean)
Namespace: Telerik.Windows.Data
Assembly: Telerik.Windows.Data.dll

Syntax

public class GroupDescriptor : AggregatedGroupDescriptorBase, ISuspendNotifications, IGroupDescriptor, INotifyPropertyChanged, IAggregateFunctionsProvider, IEquatable<GroupDescriptor>

Constructors

GroupDescriptor()

Declaration
public GroupDescriptor()

Fields

MemberProperty

Identifies the Member dependency property.

Declaration
public static readonly DependencyProperty MemberProperty
Field Value
System.Windows.DependencyProperty

Properties

Member

Gets or sets the member name which will be used for grouping.

Declaration
public virtual string Member { get; set; }
Property Value
System.String

The member name that will be used for grouping.

MemberType

Gets or sets the type of the member that is used for grouping. Set this property if the member type cannot be resolved automatically. Such cases are: items with ICustomTypeDescriptor, XmlNode or DataRow. Changing this property will not raise System.ComponentModel.INotifyPropertyChanged.PropertyChanged event.

Declaration
public virtual Type MemberType { get; set; }
Property Value
System.Type

The type of the member used for grouping.

Methods

CreateGroupKeyExpression(ParameterExpression)

Creates a group expression that returns the grouping key for each item in a collection.

Declaration
protected override Expression CreateGroupKeyExpression(ParameterExpression parameterExpression)
Parameters
System.Linq.Expressions.ParameterExpression parameterExpression

The parameter expression, which will be used for grouping.

Returns
System.Linq.Expressions.Expression

Expression that creates group key for the given item.

Overrides
GroupDescriptorBase.CreateGroupKeyExpression(ParameterExpression)

Equals(GroupDescriptor)

Determines whether the specified other descriptor is equal to the current one.

Declaration
public virtual bool Equals(GroupDescriptor other)
Parameters
GroupDescriptor other

The other group descriptor.

Returns
System.Boolean

True if all members of the current descriptor are equal to the ones of other, otherwise false.

Extension Methods

CollectionExtensions.ToEnumerable<T>(T)
EnumerableExtensions.ToEnumerable<T>(T)
Getting Started
  • Install Now
  • Demos
  • SDK Samples Browser
  • Sample Applications
Support Resources
  • Code Library
  • Knowledge Base
  • MVVM Support
  • Videos
  • GitHub SDK Repository
Community
  • Forums
  • Blogs
  • XAML Feedback Portal
  • Document Processing Feedback Portal

Copyright © 2018 Progress Software Corporation and/or its subsidiaries or affiliates.
All Rights Reserved.

Progress, Telerik, and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. See Trademarks for appropriate markings.