AccordionControl Events

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 dynamically customize item tooltips.
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.
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.
DpiChangedAfterParent Occurs when the DPI setting for a control is changed programmatically after the DPI of its parent control or form has changed. Inherited from Control.
DpiChangedBeforeParent Occurs when the DPI setting for a control is changed programmatically before a DPI change event for its parent control or form has occurred. 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.
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.
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