DevExpress.Xpf.Accordion.v23.1 Contains classes which implement the main functionality of the WPF Accordion control. To use these classes in XAML code, add the xmlns:dxa=”“ namespace reference. Provides access to commands. Initializes a new instance of the class. An accordion control associated with the current . Toggles the collapsed display mode. An object implementing the System.Windows.Input.ICommand interface. Gets the command that toggles the expansion state of the specified Selection. An object implementing the System.Windows.Input.ICommand interface. Unregisters the specified key gestures from the . A collection of keyboard combinations that need to be unregistered. Gets the command that collapses all accordion items. An object implementing the System.Windows.Input.ICommand interface. Gets the command that expands all accordion items. An object implementing the System.Windows.Input.ICommand interface. Represents the Accordion Control. Initializes a new instance of the class with default settings. Gets whether the accordion’s header is actually displayed. This is a dependency property. true, if header is visible; otherwise, false. Identifies the AccordionControl.ActualShowHeader dependency property. A dependency property identifier. Gets the ‘s actual view mode. This is a dependency property. One of the enumeration values. Identifies the AccordionControl.ActualViewMode dependency property. A dependency property identifier. Gets or sets whether the expand/collapse animation is enabled for accordion items. This is a dependency property. true, to enable the expand/collapse animation for accordion items; otherwise, false. The default is true. Identifies the AccordionControl.AllowAnimation dependency property. A dependency property identifier. Gets or sets whether to allow process collection views. This is a dependency property. true, to allow processing collection views; otherwise, false. Identifies the dependency property. A dependency property identifier. Gets or sets whether the accordion control popup menu is enabled. This is a dependency property. true if the popup menu is allowed; otherwise, false. Identifies the AccordionControl.AllowPopupMenu dependency property. A dependency property identifier. Gets or sets a value indicating whether virtualization is enabled for vertical scrolling. This is a dependency property. true, to enable virtualization; otherwise, false. Identifies the AccordionControl.AllowVirtualization dependency property. A dependency property identifier. Gets or sets whether all accordion items are expanded when the accordion control is initialized. This is a dependency property. true, to expand all accordion items when the accordion control is initialized; otherwise, false. Identifies the AccordionControl.AutoExpandAllItems dependency property. A dependency property identifier. Expands the required accordion items and adjusts the scroll position making the specified item visible. An object that is the accordion item to be made visible. Gets or sets whether the accordion item selected in code should be made visible by expanding its parent items and adjusting the scroll position. This is a dependency property. true, to make items selected in code visible; otherwise, false. Identifies the AccordionControl.BringSelectedItemIntoView dependency property. A dependency property identifier. Occurs when an end user moves the mouse over an item or selects items with the keyboard and allows you to prevent particular accordion items from being selected. Gets or sets the path to the field in the bound data source that contains the accordion item‘s children items. This is a dependency property. A value that is the path to children items. Identifies the AccordionControl.ChildrenPath dependency property. A dependency property identifier. Gets or sets an object that retrieves the accordion item‘s children from the data source based on custom logic. This is a dependency property. An object that implements the interface. Identifies the AccordionControl.ChildrenSelector dependency property. A dependency property identifier. Closes a control’s popup menu. Collapses all accordion items that can be collapsed. Gets or sets whether clicking a collapsed item selects it or invokes a popup with the child items. This is a dependency property. A enumeration value. Identifies the AccordionControl.CollapsedItemClickAction dependency property. A dependency property identifier. Gets or sets the display mode for accordion items in the collapsed AccordionControl. This is a dependency property. A enumeration value. Identifies the AccordionControl.CollapsedItemDisplayMode dependency property. A dependency property identifier. Collapses an accordion item. An object that is the item to be collapsed. Gets or sets the position of the popup with Accordion items when the Accordion is in the Collapse Mode. This is a dependency property. A enumeration value. Identifies the AccordionControl.CollapsePopupPlacement dependency property. A dependency property identifier. Gets or sets the collapse animation storyboard. This is a dependency property. A object that represents the collapse animation storyboard. Identifies the AccordionControl.CollapseStoryboard dependency property. A dependency property identifier. Provides access to accordion commands. An object that provides a set of accordion commands. Gets or sets whether to display the linked ‘s items within the Accordion’s overflow panel. This is a dependency property. true, to display the OfficeNavigationBar’s items within the Accordion’s overflow panel; otherwise, false. By default, true. Identifies the AccordionControl.CompactNavigation dependency property. A dependency property identifier. Occurs when the is about to be filtered. Identifies the AccordionControl.CustomItemFilter routed event. A routed event identifier. Gets or sets the glyph that is displayed within all the root items when the Accordion control functions in NavigationPane view mode. This is a dependency property. An object that specifies the image displayed within the accordion item. Identifies the AccordionControl.DefaultGlyph dependency property. A dependency property identifier. Gets or sets a field name in the bound data source whose values are displayed by accordion items. This is a dependency property. A value that specifies the data source field whose values are displayed by accordion items. Identifies the AccordionControl.DisplayMemberPath dependency property. A dependency property identifier. Specifies the text that is displayed when the does not contain any items. This is a dependency property. A text that notifies the user that the accordion does not contain any items. Identifies the dependency property. A dependency property identifier. Expands all accordion items that can be expanded. Expands an accordion item. An object that is the item to be expanded. Gets or sets whether clicking the accordion item expands that item. This is a dependency property. true, to expand items on header click; otherwise, false. The default is true. Identifies the AccordionControl.ExpandItemOnHeaderClick dependency property. A dependency property identifier. Gets or sets whether the expands its items to make a matching item visible when filtering. This is a dependency property. true, to expand all parents of the item that matches search criteria; otherwise, false. Identifies the AccordionControl.ExpandItemsOnFiltering dependency property. A dependency property identifier. Gets or sets a value that indicates whether an end-user can expand multiple items. This is a dependency property. An enumeration value. Identifies the AccordionControl.ExpandMode dependency property. A dependency property identifier. Gets or sets the expand animation storyboard. This is a dependency property. A object that represents the expand animation storyboard. Identifies the AccordionControl.ExpandStoryboard dependency property. A dependency property identifier. Gets the value of the AccordionControl.PeekFormHideDelay attached property for a specified . The element from which the property value is read. The AccordionControl.PeekFormHideDelay property value for the element. Gets the value of the AccordionControl.PeekFormShowDelay attached property for a specified . The element from which the property value is read. The AccordionControl.PeekFormShowDelay property value for the element. Indicates whether the contains items. This is a dependency property. true if the accordion control contains items; otherwise, false. Identifies the dependency property. A dependency property identifier. Gets or sets the header‘s content. This is a dependency property. An object that represents the Accordion header‘s contents. Identifies the AccordionControl.HeaderContent dependency property. A dependency property identifier. Gets or sets the header’s content template. This is a dependency property. A object that defines the header’s content presentation. Identifies the AccordionControl.HeaderContentTemplate dependency property. A dependency property identifier. Gets or sets an object that chooses an accordion header content template based on custom logic. This is a dependency property. A descendant that chooses a template based on custom logic. Identifies the AccordionControl.HeaderContentTemplateSelector dependency property. A dependency property identifier. Gets or sets the header‘s glyph. This is a dependency property. An object that represents the Accordion header‘s glyph. Identifies the AccordionControl.HeaderGlyph dependency property. A dependency property identifier. Gets or sets the accordion header item’s glyph size. This is a dependency property. A structure that is the size of the glyph. Identifies the dependency property. A dependency property identifier. Gets or sets how an accordion header item’s glyph is stretched within the glyph region’s ImageControl. This is a dependency property. A value that specifies the current stretch mode. Identifies the dependency property. A dependency property identifier. Gets or sets the header‘s glyph template. This is a dependency property. A object that defines the header‘s glyph presentation. Identifies the AccordionControl.HeaderGlyphTemplate dependency property. A dependency property identifier. Gets or sets an object that chooses an accordion header glyph template based on custom logic. This is a dependency property. A descendant that chooses a template based on custom logic. Identifies the AccordionControl.HeaderGlyphTemplateSelector dependency property. A dependency property identifier. Specifies the Accordion Header style. This is a dependency property. A System.Windows.Style object. Identifies the dependency property. A dependency property identifier. Gets or sets whether the displays the horizontal scroll bar. This is a dependency property. A enumeration value. Identifies the AccordionControl.HorizontalScrollBarVisibility dependency property. A dependency property identifier. Gets or sets whether to display the expand-collapse button that allows showing the in the expand or collapse mode. This is a dependency property. true, to display the expand-collapse button; otherwise, false. Identifies the AccordionControl.IsCollapseButtonVisible dependency property. A dependency property identifier. Gets or sets whether the is expanded. This is a dependency property. true, if the is expanded; otherwise, false. Identifies the AccordionControl.IsExpanded dependency property. A dependency property identifier. For internal use only. Identifies the AccordionControl.IsExpandedView dependency property. A dependency property identifier. Gets or sets whether a should keep the AccordionControl.SelectedItem synchronized with the current item in the ListBoxEdit.ItemsSource property. This is a dependency property. true, to always synchronize the AccordionControl.SelectedItem with the current item in the assigned to the property; otherwise, false. Identifies the dependency property. A dependency property identifier. Occurs when an accordion item collapses. Identifies the AccordionControl.ItemCollapsed routed event. A routed event identifier. Gets or sets the style applied to accordion item containers. This is a dependency property. A object that represents the accordion item container style. Identifies the AccordionControl.ItemContainerStyle dependency property. A dependency property identifier. Gets or sets an object that chooses a style applied to accordion item containers. This is a dependency property. A descendant that applies a style based on custom logic. Identifies the AccordionControl.ItemContainerStyleSelector dependency property. A dependency property identifier. Occurs when an accordion item expands. Identifies the AccordionControl.ItemExpanded routed event. A routed event identifier. Specifies the position of the accordion item‘s glyph. This is a dependency property. A enumeration value that is the position of the glyph. Identifies the AccordionControl.ItemGlyphPosition dependency property. A dependency property identifier. Gets the collection of accordion items displayed by the . A collection of accordion items. Gets or sets the ‘s data source. This is a dependency property. An object that represents the data source from which the retrieves its items. Identifies the AccordionControl.ItemsSource dependency property. A dependency property identifier. Gets or sets a template that defines the presentation of accordion items. This is a dependency property. A System.Windows.HierarchicalDataTemplate object that defines the presentation of accordion items. Identifies the AccordionControl.ItemTemplate dependency property. A dependency property identifier. Gets or sets an object that chooses an accordion item template based on custom logic. This is a dependency property. A descendant that chooses a template based on custom logic. Identifies the AccordionControl.ItemTemplateSelector dependency property. A dependency property identifier. Called after the template is completely generated and attached to the visual tree. Identifies the AccordionControl.PeekFormHideDelay attached property. Identifies the AccordionControl.PeekFormShowDelay attached property. Gets or sets the delay, in milliseconds, elapsed before the accordion item preview popup is automatically hidden. This is a dependency property. An integer value that specifies the delay, in milliseconds, elapsed before the accordion item preview popup is automatically hidden. Identifies the dependency property. A dependency property identifier. Provides access to the collection of actions used to customize the accordion’s popup menu. A collection of context menu customization actions. Gets or sets whether to enable a uniform style for root and subordinate items. This is a dependency property. A enumeration value. Identifies the AccordionControl.RootItemDisplayMode dependency property. A dependency property identifier. Gets or sets the position of the expand-collapse button within the root items. This is a dependency property. An enumeration value. Identifies the AccordionControl.RootItemExpandButtonPosition dependency property. A dependency property identifier. Gets or sets a value that specifies the scroll bar behavior. A enumeration value. The default is ScrollBarMode.TouchOverlap. Identifies the AccordionControl.ScrollBarMode dependency property. A dependency property identifier. Gets or sets the type of the comparison operator used to create filter conditions using the search field. This is a dependency property. A enumeration value that specifies the type of the comparison operator. Identifies the AccordionControl.SearchControlFilterCondition dependency property. A dependency property identifier. Gets or sets the text displayed within the search box when the search text is null. This is a dependency property. A value that specifies the string displayed within the search box when the search text is null. Identifies the AccordionControl.SearchControlNullText dependency property. A dependency property identifier. Gets or sets a search string. This is a dependency property. A search string. Identifies the dependency property. A dependency property identifier. Gets or sets an object that is the currently selected accordion item. This is a dependency property. A that is the currently selected accordion item. Occurs when the AccordionControl.SelectedItem property value changes. Identifies the AccordionControl.SelectedItemChanged routed event. A routed event identifier. Identifies the AccordionControl.SelectedItem dependency property. A dependency property identifier. Gets or sets the currently selected root item. This is a dependency property. An object that represents the currently selected root item. Occurs when the AccordionControl.SelectedRootItem property value changes. Identifies the AccordionControl.SelectedRootItemChanged routed event. A routed event identifier. Identifies the AccordionControl.SelectedRootItem dependency property. A dependency property identifier. Gets or sets whether an end-user can select accordion items. This is a dependency property. A enumeration value that specifies whether an end-user can select accordion items. Identifies the AccordionControl.SelectionMode dependency property. A dependency property identifier. Gets or sets whether an end-user can select subitems or both subitems and root items. This is a dependency property. A enumeration value. The default is SelectionUnit.SubItemOrRootItem. Identifies the AccordionControl.SelectionUnit dependency property. A dependency property identifier. Sets the value of the AccordionControl.PeekFormHideDelay attached property to a specified . The element to which the attached property is written. The required AccordionControl.PeekFormHideDelay value. Sets the value of the AccordionControl.PeekFormShowDelay attached property to a specified . The element to which the attached property is written. The required AccordionControl.PeekFormShowDelay value. Gets or sets whether the Accordion’s header is displayed. This is a dependency property. true, to display the header; otherwise, false. Identifies the AccordionControl.ShowHeader dependency property. A dependency property identifier. Gets or sets whether a popup is automatically shown when an item is hovered over with the mouse pointer. This is a dependency property. true, if a popup is automatically shown when an item is hovered over with the mouse pointer; otherwise, false. Identifies the dependency property. A dependency property identifier. Gets or sets whether the displays a search panel. This is a dependency property. true, to display the search field; otherwise, false. The default is false. Identifies the AccordionControl.ShowSearchControl dependency property. A dependency property identifier. Gets or sets the position of the expand-collapse button within the accordion subitems. This is a dependency property. An enumeration value. Identifies the AccordionControl.SubItemExpandButtonPosition dependency property. A dependency property identifier. Gets or sets an image displayed within the Summary Item. This is a dependency property. An ImageSource object that specifies the image displayed within the Summary Item. Identifies the AccordionControl.SummaryItemGlyph dependency property. A dependency property identifier. Gets or sets the accordion summary item’s glyph size. This is a dependency property. A structure that is the size of the glyph. Identifies the dependency property. A dependency property identifier. Gets or sets how an accordion summary item’s glyph is stretched within the glyph region’s ImageControl. This is a dependency property. A value that specifies the current stretch mode. Identifies the dependency property. A dependency property identifier. Gets or sets the Summary Item header. This is a dependency property. The object that represents the Summary Item header. Identifies the AccordionControl.SummaryItemHeader dependency property. A dependency property identifier. Gets or sets the Summary Item position. This is a dependency property. A enumeration value. Identifies the AccordionControl.SummaryItemPosition dependency property. A dependency property identifier. Gets or sets whether the displays the vertical scroll bar. This is a dependency property. A enumeration value. Identifies the AccordionControl.VerticalScrollBarVisibility dependency property. A dependency property identifier. Gets or sets how the displays its root items. This is a dependency property. An enumeration value. The default is AccordionViewMode.Accordion. Identifies the AccordionControl.ViewMode dependency property. A dependency property identifier. Provides data for the AccordionControl.CustomItemFilter event. Initializes a new instance of the class. An that has raised the event. A that is the currently processed accordion item. A value that is the text entered in a search box. Gets or sets a value indicating whether the currently processed item is included in the results. true, if the item is considered a match; otherwise, false. Gets the whose items are being filtered. An object. Gets the currently processed Accordion item. An object that represents the currently processed Accordion item. Checks whether the specified string meets filter criteria. A value. true, if the text value meets filter criteria; otherwise, false. Gets the search criteria. A string value that represents the current search criteria. Represents the Accordion Item. Initializes a new instance of the class. Gets the actual position of the expand-collapse button. This is a dependency property. An enumeration value. Identifies the AccordionItem.ActualExpandButtonPosition dependency property. A dependency property identifier. Gets the actual position of the glyph within the accordion item’s header. This is a dependency property. A enumeration value. Identifies the AccordionItem.ActualGlyphPosition dependency property. A dependency property identifier. Gets whether the current accordion item is actually highlighted on mouse hover. This is a dependency property. true, if the current item is highlighted on mouse hover; otherwise, false. Identifies the AccordionItem.ActualHighlightOnHover dependency property. A dependency property identifier. Gets whether the current accordion item is actually highlighted on a mouse press. This is a dependency property. true, if the current item is highlighted on a mouse press; otherwise, false. Identifies the AccordionItem.ActualHighlightOnPress dependency property. A dependency property identifier. Gets whether the expand/collapse animation is enabled for the current accordion item. This is a dependency property. true, to enable the expand/collapse animation; otherwise, false. The default is true. Identifies the AccordionItem.AllowAnimation dependency property. A dependency property identifier. Identifies the AccordionItem.AllowPeekForm dependency property. Specifies whether the current accordion item can be selected with mouse or keyboard. This is a dependency property. true, if the current accordion item can be selected; otherwise, false. Identifies the dependency property. A dependency property identifier. Gets or sets the command to invoke when the Accordion item is clicked. This is a dependency property. An ICommand object to invoke when the Accordion item is clicked. Gets or sets the parameter to pass to the AccordionItem.Command. This is a dependency property. The Object specifying the parameter to pass to the AccordionItem.Command. Identifies the AccordionItem.CommandParameter dependency property. A dependency property identifier. Identifies the AccordionItem.Command dependency property. A dependency property identifier. Gets or sets the element on which to raise the AccordionItem.Command. This is a dependency property. The IInputElement on which to raise the AccordionItem.Command. Identifies the AccordionItem.CommandTarget dependency property. A dependency property identifier. Gets or sets the position of the expand-collapse button. This is a dependency property. An enumeration value. Identifies the AccordionItem.ExpandButtonPosition dependency property. A dependency property identifier. Gets the value of the AccordionItem.AllowPeekForm attached property for a specified . The element from which the property value is read. The AccordionItem.AllowPeekForm property value for the element. Gets the value of the AccordionItem.PeekFormTemplate attached property for a specified . The element from which the property value is read. The AccordionItem.PeekFormTemplate property value for the element. Gets the value of the AccordionItem.PeekFormTemplateSelector attached property for a specified . The element from which the property value is read. The AccordionItem.PeekFormTemplateSelector property value for the element. Gets the AccordionItem.SearchTag property value from the specified object. A value. An object from which the AccordionItem.SearchTag property is retrieved. Gets or sets an image displayed within the accordion item. This is a dependency property. An ImageSource object that specifies the image displayed within the accordion item. Gets or sets the position of the glyph within the accordion item. A enumeration value. Identifies the AccordionItem.GlyphPosition dependency property. A dependency property identifier. Identifies the AccordionItem.Glyph dependency property. A dependency property identifier. Gets or sets the accordion item’s glyph size. This is a dependency property. A structure that is the size of the glyph. Identifies the dependency property. A dependency property identifier. Gets or sets how an accordion item’s glyph is stretched within the glyph region’s ImageControl. This is a dependency property. A value that specifies the current stretch mode. Identifies the dependency property. A dependency property identifier. Gets or sets a template that defines the presentation of the glyph displayed within the current accordion item. This is a dependency property. A object that is the template which defines the presentation of the accordion item’s glyph. Identifies the AccordionItem.GlyphTemplate dependency property. A dependency property identifier. Gets or sets an object that chooses the current accordion item‘s glyph template based on custom logic. This is a dependency property. A descendant that chooses a template based on custom logic. Identifies the AccordionItem.GlyphTemplateSelector dependency property. A dependency property identifier. Gets or sets whether the current item is highlighted when an end-user moves the mouse cursor over it. This is a dependency property. true, to highlight the current item when an end-user moves the mouse cursor over it; otherwise, false. Identifies the AccordionItem.HighlightOnHover dependency property. A dependency property identifier. Gets or sets whether the current item is highlighted when an end-user clicks and holds the left mouse button. This is a dependency property. true, to highlight the current item; otherwise, false. Identifies the AccordionItem.HighlightOnPress dependency property. A dependency property identifier. Gets whether the mouse pointer is over the current accordion item‘s header. true, if the mouse pointer is currently over the accordion item’s header; otherwise, false. Identifies the AccordionItem.IsMouseOverHeader dependency property. A dependency property identifier. Gets whether the item is currently being pressed. This is a dependency property. true, if the item is currently pressed; otherwise, false. Identifies the AccordionItem.IsPressed dependency property. A dependency property identifier. Gets or sets the display mode of the current accordion item. This is a dependency property. An enumeration value that specifies the display mode of an accordion item. Identifies the AccordionItem.ItemDisplayMode dependency property. A dependency property identifier. Gets the current accordion item’s level of nesting. This is a dependency property. A zero-based integer value that is the current item’s level of nesting. Identifies the AccordionItem.ItemLevel dependency property. A dependency property identifier. Gets the collection of objects represented by accordion items. A collection of accordion items. This member supports the internal infrastructure and is not intended to be used directly from your code. Identifies the AccordionItem.ItemType dependency property. A dependency property identifier. Gets the item’s visibility mode. This is a dependency property. An enumeration value. Identifies the AccordionItem.ItemVisibilityMode dependency property. A dependency property identifier. Called after the template is completely generated, and attached to the visual tree. Identifies the AccordionItem.PeekFormTemplate attached property. Identifies the AccordionItem.PeekFormTemplateSelector attached property. Gets or sets a string that is used by the while filtering. This is a dependency property. A value. Identifies the AccordionItem.SearchTag dependency property. Sets the value of the AccordionItem.AllowPeekForm attached property to a specified . The element to which the attached property is written. The required bool value. Sets the value of the AccordionItem.PeekFormTemplate attached property to a specified . The element to which the attached property is written. The required value. Sets the value of the AccordionItem.PeekFormTemplateSelector attached property to a specified . The element to which the attached property is written. The required value. Sets the AccordionItem.SearchTag property value for the specified object. An object for which the AccordionItem.SearchTag property is set. A value. Gets or sets whether to show the item within the collapsed AccordionControl. This is a dependency property. true, to show the item within the collapsed ; otherwise, false. Identifies the AccordionItem.ShowInCollapsedMode dependency property. A dependency property identifier. Provides data for the AccordionControl.ItemCollapsed event. Initializes a new instance of the class. An accordion control that has raised the event. An item that has been collapsed Returns the Accordion item that has been collapsed. An object that represents the collapsed Accordion item. Provides data for the AccordionControl.ItemExpanded event. Initializes a new instance of the class. An accordion control that has raised the event. An item that has been expanded. Returns the Accordion item that has been expanded. An object that represents the expanded Accordion item. Provides data for the AccordionControl.SelectedItemChanged event. Initializes a new instance of the class. An accordion control that has raised the event. A previously selected item. A currently selected item. Gets the item that has been selected. An that has been selected. Gets the previously selected item. An that was previously selected. Lists values that specify the Accordion’s view mode. All root and children items are displayed. Only child items of a single root item specified by the AccordionControl.SelectedRootItem property are displayed. Provides data for the event. Gets or sets whether the processed accordion item can be selected. true, if the processed accordion item can be selected; otherwise, false. Gets the processed item. A processed item. Lists values that specify whether clicking a collapsed item selects it or invokes a popup with the child items. Clicking a collapsed item selects it. Clicking a collapsed item invokes a popup with the child items. Lists values that specify the display mode for accordion items in the collapsed AccordionControl. Only the item’s header is shown. Both the item’s header and glyph are shown. Only the item’s glyph is shown. Lists values that specify the position of the popup with Accordion items when the Accordion is in the Collapse Mode. The popup is placed to the left of the collapsed Accordion. The popup is placed to the right of the collapsed Accordion. Lists values that specify the position of the expand button within the accordion item’s header. The expand button is displayed at the left side of the accordion item. The expand button is not displayed. The expand button is displayed at the right side of the accordion item. Lists values that specify the number of accordion items that can be expanded simultaneously. At least one accordion item is always expanded. Any number of accordion items can be expanded. A single accordion item is always expanded. A single accordion item can be expanded. Lists values that specify the position and visibility of the glyph within the accordion item. The glyph is displayed at the left side of the accordion item. The glyph is hidden. The glyph is displayed at the right side of the accordion item. The glyph is displayed above the accordion item. Interface that should be implemented by a class that retrieves the ‘s children from the data source. Retrieves the ‘s children from the data source. The accordion item whose children are retrieved from the data source. A collection of objects that are the children of an accordion item. Lists values that specify the display mode of the accordion item. The accordion item‘s margins are calculated based on the hierarchy level. The item processes mouse input and keyboard navigation. The accordion item directly renders the content of the header. Margin calculation and mouse processing are bypassed. The glyph and expand button are disabled. Lists values that indicate the item’s visibility mode. The item is collapsed, the popup with the child items is hidden. The item is collapsed, the popup with the child items is visible. The item is visible. Lists values that specify whether to enable a uniform style for root and subordinate items. A special style is used for root items. A uniform style is used for both root and subordinate items. Lists values that specify whether s can be selected. accordion items cannot be selected. A single accordion item can be selected. Lists values that specify whether an end-user can select items or both items and groups. Only subitems can be selected. Both the root items and subitems can be selected. Lists values that specify the position of the Summary Item relative to regular items. The Summary Item is shown under the regular items. The Summary Item is hidden. The Summary Item is shown above the regular items.