skip navigation
  • Product Bundles

    DevCraft

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

    • NEW: Design Kits for Figma
    • Online Training
    • Document Processing Library
    • Embedded Reporting for web and desktop

    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 ExpandableHeaderedItemsControl

A HeaderedItemsControl used to create interactive Expand/Collapse control.

Inheritance
System.Object
ExpandableHeaderedItemsControl
TimelineItemGroupControl
Namespace: Telerik.Windows.Controls.Timeline
Assembly: Telerik.Windows.Controls.DataVisualization.dll

Syntax

public class ExpandableHeaderedItemsControl : HeaderedItemsControl

Constructors

ExpandableHeaderedItemsControl()

Initializes a new instance of the ExpandableHeaderedItemsControl class.

Declaration
public ExpandableHeaderedItemsControl()

Fields

CollapsedEvent

Occurs when the ContentElement is Collapsed.

Declaration
public static readonly RoutedEvent CollapsedEvent
Field Value
System.Windows.RoutedEvent

ExpandedEvent

Occurs when the ContentElement is Expanded.

Declaration
public static readonly RoutedEvent ExpandedEvent
Field Value
System.Windows.RoutedEvent

ExpandModeProperty

Identifies the ExpandMode dependency property.

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

IsExpandedProperty

Identifies the IsExpanded dependency property.

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

PreviewCollapsedEvent

Identifies the PreviewCollapsed property.

Declaration
public static readonly RoutedEvent PreviewCollapsedEvent
Field Value
System.Windows.RoutedEvent

PreviewExpandedEvent

Identifies the PreviewExpanded property.

Declaration
public static readonly RoutedEvent PreviewExpandedEvent
Field Value
System.Windows.RoutedEvent

Properties

ExpandMode

Gets or sets the expand mode.

Declaration
public GroupExpandMode ExpandMode { get; set; }
Property Value
GroupExpandMode

The expand mode.

IsExpanded

Gets or sets a value, indicating whether the content element is expanded.

Declaration
public bool IsExpanded { get; set; }
Property Value
System.Boolean

A value, indicating whether the content element is expanded.

Methods

add_Collapsed(RadRoutedEventHandler)

Declaration
public void add_Collapsed(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

add_Expanded(RadRoutedEventHandler)

Declaration
public void add_Expanded(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

add_PreviewCollapsed(RadRoutedEventHandler)

Declaration
public void add_PreviewCollapsed(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

add_PreviewExpanded(RadRoutedEventHandler)

Declaration
public void add_PreviewExpanded(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

OnApplyTemplate()

Invoked whenever application code or internal processes (such as a rebuilding layout pass) call System.Windows.Controls.Control.ApplyTemplate.

Declaration
public override void OnApplyTemplate()

OnInitialized(EventArgs)

Raises the System.Windows.FrameworkElement.Initialized event. This method is invoked whenever System.Windows.FrameworkElement.IsInitialized is set to true internally.

Declaration
protected override void OnInitialized(EventArgs e)
Parameters
System.EventArgs e

The System.Windows.RoutedEventArgs that contains the event data.

remove_Collapsed(RadRoutedEventHandler)

Declaration
public void remove_Collapsed(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

remove_Expanded(RadRoutedEventHandler)

Declaration
public void remove_Expanded(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

remove_PreviewCollapsed(RadRoutedEventHandler)

Declaration
public void remove_PreviewCollapsed(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

remove_PreviewExpanded(RadRoutedEventHandler)

Declaration
public void remove_PreviewExpanded(RadRoutedEventHandler value)
Parameters
RadRoutedEventHandler value

Events

Collapsed

Occurs when the content is Collapsed.

Declaration
public event RadRoutedEventHandler Collapsed
Event Type
RadRoutedEventHandler

Expanded

Occurs when the content Expanded.

Declaration
public event RadRoutedEventHandler Expanded
Event Type
RadRoutedEventHandler

PreviewCollapsed

Occurs when the content will be Collapsed. If the event handler set True for the Handled property then the content will not collapse.

Declaration
public event RadRoutedEventHandler PreviewCollapsed
Event Type
RadRoutedEventHandler

PreviewExpanded

Occurs when the content will be Expanded. If the event handler set True for the Handled property then the content will not expand.

Declaration
public event RadRoutedEventHandler PreviewExpanded
Event Type
RadRoutedEventHandler

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.