windowsforms-devexpress-dot-xtrabars-dot-navigation-dot-accordioncontrol-dot-underscore-events.md
An advanced hierarchical navigation menu.
| Name | Description |
|---|---|
| AutoSizeChanged | This event is not relevant for this class. Inherited from Control. |
| BackColorChanged | This event is not supported by the BaseStyleControl class. Inherited from BaseStyleControl. |
| BackgroundImageChanged | Occurs when the value of the BackgroundImage property changes. Inherited from Control. |
| BackgroundImageLayoutChanged | Occurs when the BackgroundImageLayout property changes. Inherited from Control. |
| BindingContextChanged | Occurs when the value of the BindingContext property changes. Inherited from Control. |
| CausesValidationChanged | Occurs when the value of the CausesValidation property changes. Inherited from Control. |
| ChangeUICues | Occurs when the focus or keyboard user interface (UI) cues change. Inherited from Control. |
| Click | Occurs when the control is clicked. Inherited from Control. |
| ClientSizeChanged | Occurs when the value of the ClientSize property changes. Inherited from Control. |
| ContextButtonClick | Occurs whenever an item from either the AccordionControl.GroupContextButtons or AccordionControl.ItemContextButtons collections is clicked. |
| ContextButtonCustomize | Fires before any context button is shown and allows you to dynamically customize it. |
| ContextMenuChanged | Occurs when the value of the ContextMenu property changes. Inherited from Control. |
| ContextMenuStripChanged | Occurs when the value of the ContextMenuStrip property changes. Inherited from Control. |
| ControlAdded | Occurs when a new control is added to the Control.ControlCollection. Inherited from Control. |
| ControlRemoved | Occurs when a control is removed from the Control.ControlCollection. Inherited from Control. |
| CursorChanged | Occurs when the value of the Cursor property changes. Inherited from Control. |
| CustomContextButtonToolTip | Allows you to specify a tooltip shown when the mouse pointer hovers over a context button. This event is only raised for RatingContextButton and TrackBarContextButton objects. |
| CustomDrawElement | Fires before a group or item is displayed. Provides access to a drawing surface and allows you to draw the processed element. |
| CustomDrawHamburgerButton | Fires before the hamburger button is displayed. Provides access to a drawing surface and allows you to draw the hamburger button. |
| CustomElementText | Provides the capability to dynamically rename specific AccordionControl elements. |
| CustomizeItem | This is an internal property that should not be used in code. |
| Disposed | Occurs when the component is disposed by a call to the Dispose() method. Inherited from Component. |
| DockChanged | Occurs when the value of the Dock property changes. Inherited from Control. |
| DoubleClick | Occurs when the control is double-clicked. Inherited from Control. |
| DragDrop | Occurs when a drag-and-drop operation is completed. Inherited from Control. |
| DragEnter | Occurs when an object is dragged into the control’s bounds. Inherited from Control. |
| DragLeave | Occurs when an object is dragged out of the control’s bounds. Inherited from Control. |
| DragOver | Occurs when an object is dragged over the control’s bounds. Inherited from Control. |
| ElementClick | Fires when a group or item is clicked. |
| ElementDragOver | Occurs whenever an end-user hovers an element within this AccordionControl while dragging another element. |
| EnabledChanged | Occurs when the Enabled property value has changed. Inherited from Control. |
| EndElementDragging | Occurs when an end-user releases the currently dragged AccordionControl element. |
| Enter | Occurs when the control is entered. Inherited from Control. |
| ExpandStateChanged | Fires after an element has been expanded/collapsed. |
| ExpandStateChanging | Fires when an element is about to be expanded/collapsed. Allows you to implement a custom element expansion behavior. |
| FilterContent | Fires when the query in the search box is changed and allows you to show or hide an element regardless of the query. |
| FontChanged | This event is not supported by the BaseStyleControl class. Inherited from BaseStyleControl. |
| ForeColorChanged | This event is not supported by the BaseStyleControl class. Inherited from BaseStyleControl. |
| GetContentContainer | Allows you to dynamically specify a content container for empty items. This event must be handled along with the AccordionControl.HasContentContainer event. |
| GiveFeedback | Occurs during a drag operation. Inherited from Control. |
| GotFocus | Occurs when the control receives focus. Inherited from Control. |
| HandleCreated | Occurs when a handle is created for the control. Inherited from Control. |
| HandleDestroyed | Occurs when the control’s handle is in the process of being destroyed. Inherited from Control. |
| HasContentContainer | Allows you to specify whether an item, when expanded, will display a custom control container. The custom control container should be provided by handling the AccordionControl.GetContentContainer event. |
| HelpRequested | Occurs when the user requests help for a control. Inherited from Control. |
| HtmlElementMouseClick | Occurs when a user clicks an element inside an HTML-CSS template. |
| HtmlElementMouseDown | Occurs when mouse pointer is over an element of an HTML-CSS template, and a mouse button is pressed. |
| HtmlElementMouseMove | Occurs when a mouse pointer moves while over an element of an HTML-CSS template. |
| HtmlElementMouseOut | Occurs when a mouse pointer leaves the bounds of an element within an HTML-CSS template. |
| HtmlElementMouseOver | Occurs when a mouse pointer enters the bounds of an element within an HTML-CSS template. |
| HtmlElementMouseUp | Occurs when a mouse button pressed over an element of an HTML-CSS template is released. |
| ImeModeChanged | Occurs when the ImeMode property has changed. Inherited from Control. |
| Invalidated | Occurs when a control’s display requires redrawing. Inherited from Control. |
| ItemContentContainerHidden | Occurs whenever an item element hides its content container (if any). |
| KeyDown | Occurs when a key is pressed while the control has focus. Inherited from Control. |
| KeyPress | Occurs when a character. space or backspace key is pressed while the control has focus. Inherited from Control. |
| KeyUp | Occurs when a key is released while the control has focus. Inherited from Control. |
| Layout | Occurs when a control should reposition its child controls. Inherited from Control. |
| Leave | Occurs when the input focus leaves the control. Inherited from Control. |
| LocationChanged | Occurs when the Location property value has changed. Inherited from Control. |
| LostFocus | Occurs when the control loses focus. Inherited from Control. |
| MarginChanged | Occurs when the control’s margin changes. Inherited from Control. |
| MouseCaptureChanged | Occurs when the control loses mouse capture. Inherited from Control. |
| MouseClick | Occurs when the control is clicked by the mouse. Inherited from Control. |
| MouseDoubleClick | Occurs when the control is double clicked by the mouse. Inherited from Control. |
| MouseDown | Occurs when the mouse pointer is over the control and a mouse button is pressed. Inherited from Control. |
| MouseEnter | Occurs when the mouse pointer enters the control. Inherited from Control. |
| MouseHover | Occurs when the mouse pointer rests on the control. Inherited from Control. |
| MouseLeave | Occurs when the mouse pointer leaves the control. Inherited from Control. |
| MouseMove | Occurs when the mouse pointer is moved over the control. Inherited from Control. |
| MouseUp | Occurs when the mouse pointer is over the control and a mouse button is released. Inherited from Control. |
| MouseWheel | Occurs when the mouse wheel moves while the control has focus. Inherited from Control. |
| Move | Occurs when the control is moved. Inherited from Control. |
| PaddingChanged | Occurs when the control’s padding changes. Inherited from Control. |
| Paint | Occurs when the control is redrawn. |
| PaintEx | Occurs when the control is redrawn. |
| ParentChanged | Occurs when the Parent property value changes. Inherited from Control. |
| PreviewKeyDown | Occurs before the KeyDown event when a key is pressed while focus is on this control. Inherited from Control. |
| QueryAccessibilityHelp | Occurs when AccessibleObject is providing help to accessibility applications. Inherited from Control. |
| QueryContinueDrag | Occurs during a drag-and-drop operation and enables the drag source to determine whether the drag-and-drop operation should be canceled. Inherited from Control. |
| QueryElementIndent | Allows you specify a custom indent for each accordion item. |
| QueryHtmlElementData | |
| QueryItemTemplate | Allows you to assign HTML-CSS templates to individual elements. |
| RegionChanged | Occurs when the value of the Region property changes. Inherited from Control. |
| Resize | Occurs when the control is resized. Inherited from Control. |
| RightToLeftChanged | Occurs when the RightToLeft property value changes. Inherited from Control. |
| SelectedElementChanged | Fires when the AccordionControl.SelectedElement property’s value is changed. This event is in effect if item selection is enabled with the AccordionControl.AllowItemSelection property. |
| SizeChanged | Occurs when the Size property value changes. Inherited from Control. |
| StartElementDragging | Occurs whenever an end-user presses an element owned by this AccordionControl and starts dragging this element away from its original location. |
| StateChanged | Fires when the OptionsMinimizing.State property value changes. |
| StyleChanged | Occurs when the control style changes. Inherited from Control. |
| SystemColorsChanged | Occurs when the system colors change. Inherited from Control. |
| TabIndexChanged | Occurs when the TabIndex property value changes. Inherited from Control. |
| TabStopChanged | Occurs when the TabStop property value changes. Inherited from Control. |
| TextChanged | Occurs when the Text property value changes. Inherited from Control. |
| Validated | Occurs when the control is finished validating. Inherited from Control. |
| Validating | Occurs when the control is validating. Inherited from Control. |
| VisibleChanged | Occurs when the Visible property value changes. Inherited from Control. |
See Also