AccordionControl Members

An advanced hierarchical navigation menu.

Constructors

Name	Description
AccordionControl()	Initializes a new instance of the AccordionControl class with the default settings.

Properties

Name	Description
AccessibilityObject	Gets the AccessibleObject assigned to the control. Inherited from Control.
AccessibleDefaultActionDescription	Gets or sets the default action description of the control for use by accessibility client applications. Inherited from Control.
AccessibleDescription	Gets or sets the description of the control used by accessibility client applications. Inherited from Control.
AccessibleName	Gets or sets the name of the control used by accessibility client applications. Inherited from Control.
AccessibleRole	Gets or sets the accessible role of the control. Inherited from Control.
ActiveGroup	Gets or sets the currently selected element.
AllowDrop	Gets or sets a value indicating whether the control can accept data that the user drags onto it. Inherited from Control.
AllowElementDragging	Gets or sets whether or not end-users should be able to drag this AccordionControl‘s elements at runtime.
AllowGlyphSkinning	Gets or sets whether or not the Glyph Skinning feature is enabled for this AccordionControl.
AllowHorizontalResizing	Gets or sets whether or not end-users can drag AccordionControl borders to resize this control horizontally.
AllowHtmlText	Gets or sets whether HTML tags can be used to format element header text (AccordionControlElementBase.Text).
AllowHtmlTextInToolTip	Gets or sets whether HTML formatting is allowed in the control’s regular tooltips. Inherited from BaseControl.
AllowItemSelection	Gets or sets whether or not this AccordionControl supports the selected state for its Items.
AllowMultipleItemExpansion	Obsolete. Gets or sets whether or not multiple AccordionControlElements can be expanded simultaneously.
AllowSmoothScrolling	Gets or sets whether AccordionControl items are scrolled using smoothing animation.
Anchor	Gets or sets the edges of the container to which a control is bound and determines how a control is resized with its parent. Inherited from Control.
AnimationType	Gets or sets the animation effect that follows expanding\collapsing elements within this AccordionControl.
Appearance	Provides access to the appearance groups that store appearance settings for all accordion UI elements (in every visual state).
AutoScrollOffset	Gets or sets where this control is scrolled to in ScrollControlIntoView(Control). Inherited from Control.
AutoSize	This property is not relevant for this class. Inherited from Control.
AutoSizeInLayoutControl	When a control is added to a LayoutControl, this property specifies whether the control’s width is changed to display its content in its entirety. This member is supported by individual descendant of the BaseControl class. Inherited from BaseControl.
BackColor	Gets or sets the background color of this Accordion and all of its elements (items and groups).
BackgroundImage	Gets or sets the background image displayed in the control. Inherited from Control.
BackgroundImageLayout	Gets or sets the background image layout as defined in the ImageLayout enumeration. Inherited from Control.
BindingContext	Gets or sets the BindingContext for the control. Inherited from Control.
BorderStyle	This member is not supported by the AccordionControl class.
Bottom	Gets the distance, in pixels, between the bottom edge of the control and the top edge of its container’s client area. Inherited from Control.
Bounds	Gets or sets the size and location of the control including its nonclient elements, in pixels, relative to the parent control. Inherited from Control.
CanEnableIme protected	Gets a value indicating whether the ImeMode property can be set to an active value, to enable IME support. Inherited from Control.
CanFocus	Gets a value indicating whether the control can receive focus. Inherited from Control.
CanRaiseEvents protected	Determines if events can be raised on the control. Inherited from Control.
CanSelect	Gets a value indicating whether the control can be selected. Inherited from Control.
Capture	Gets or sets a value indicating whether the control has captured the mouse. Inherited from Control.
CausesValidation	Gets or sets a value indicating whether the control causes validation to be performed on any controls that require validation when it receives focus. Inherited from Control.
CheckForIllegalCrossThreadCalls static	Gets or sets a value indicating whether to catch calls on the wrong thread that access a control’s Handle property when an application is being debugged. Inherited from Control.
ChildLevelIndent	Gets or sets the horizontal indent of child elements from their parents.
ClientRectangle	Gets the rectangle that represents the client area of the control. Inherited from Control.
ClientSize	Gets or sets the height and width of the client area of the control. Inherited from Control.
CompanyName	Gets the name of the company or creator of the application containing the control. Inherited from Control.
Container	Gets the IContainer that contains the Component. Inherited from Component.
ContainsFocus	Gets a value indicating whether the control, or one of its child controls, currently has the input focus. Inherited from Control.
ContextButtonsOptions	Provides access to properties that affect all context buttons within this AccordionControl‘s elements.
ContextMenu	Gets or sets the shortcut menu associated with the control. Inherited from Control.
ContextMenuStrip	Gets or sets the ContextMenuStrip associated with this control. Inherited from Control.
Controls	Gets the collection of controls contained within the control. Inherited from Control.
Created	Gets a value indicating whether the control has been created. Inherited from Control.
Cursor	Gets or sets the cursor that is displayed when the mouse pointer is over the ControlBase control. Inherited from ControlBase.
DataBindings	Gets the data bindings for the control. Inherited from Control.
DefaultBackColor static	Gets the default background color of the control. Inherited from Control.
DefaultCursor protected	Gets or sets the default cursor for the control. Inherited from Control.
DefaultFont static	Gets the default font of the control. Inherited from Control.
DefaultForeColor static	Gets the default foreground color of the control. Inherited from Control.
DefaultImeMode protected	Gets the default Input Method Editor (IME) mode supported by the control. Inherited from Control.
DefaultMargin protected	Gets the space, in pixels, that is specified by default between controls. Inherited from Control.
DefaultMaximumSize protected	Gets the length and height, in pixels, that is specified as the default maximum size of a control. Inherited from Control.
DefaultMinimumSize protected	Gets the length and height, in pixels, that is specified as the default minimum size of a control. Inherited from Control.
DefaultPadding protected	Gets the internal spacing, in pixels, of the contents of a control. Inherited from Control.
DesignManager	This member supports the internal infrastructure, and is not intended to be used directly from your code.
DesignMode protected	Gets a value that indicates whether the Component is currently in design mode. Inherited from Component.
DisplayRectangle	Gets the rectangle that represents the display area of the control. Inherited from Control.
Disposing	Gets a value indicating whether the base Control class is in the process of disposing. Inherited from Control.
DistanceBetweenRootGroups	Gets or sets the distance between top-level elements.
Dock	Gets or sets which control borders are docked to its parent control and determines how a control is resized with its parent. Inherited from Control.
DoubleBuffered protected	Gets or sets a value indicating whether this control should redraw its surface using a secondary buffer to reduce or prevent flicker. Inherited from Control.
ElementPositionOnExpanding	Gets or sets whether expandable groups and elements are scrolled (if required) to make their contents visible when they are expanded.
Elements	Provides access to AccordionControlElements that serve as root elements for this AccordionControl.
Enabled	Gets or sets a value indicating whether the control can respond to user interaction. Inherited from Control.
Events protected	Gets the list of event handlers that are attached to this Component. Inherited from Component.
ExpandElementMode	Gets or sets whether a single element or multiple elements can be expanded simultaneously.
ExpandGroupOnHeaderClick	Gets or sets whether or not this AccordionControl‘s groups can be expanded/collapsed by clicking their captions at runtime.
ExpandItemOnHeaderClick	Gets or sets whether end-users can click item elements’ headers to expand these elements.
FilterControl	Gets or sets an object that provides the filter functionality.
FilterText	Gets or sets the active Filter Control text.
FlyoutForm	Gets the control representing the accordion control’s flyout form.
Focused	Gets a value indicating whether the control has input focus. Inherited from Control.
Font	Gets or sets the font used to display the control’s content. Inherited from BaseStyleControl.
FontHeight protected	Gets or sets the height of the font of the control. Inherited from Control.
Footer	Gets the control representing the accordion control footer.
ForeColor	This property is not in effect. To modify the foreground color of an accordion group or item, use the AccordionControlElement.Appearance.Normal.ForeColor property instead.
GroupContextButtons	Stores context buttons, shared among all AccordionControl groups.
GroupHeight	Gets or sets the minimum header height for all groups (elements whose Style is set to Group) in the control.
Handle	Gets the window handle that the control is bound to. Inherited from Control.
HasChildren	Gets a value indicating whether the control contains one or more child controls. Inherited from Control.
Header	Gets the control representing the accordion header that contains the hamburger button.
Height	Gets or sets the height of the control. Inherited from Control.
HtmlImages	Gets or sets a collection of images that you can embed into captions/messages/tooltips in the control using the image HTML-inspired tag.
HtmlTemplates	Contains HTML-CSS templates used to render the control’s UI elements.
ImageOptions	Provides access to properties that allow you to set up raster and vector images for this AccordionControl.
Images	Gets or sets the source of images that can be displayed within element headers.
ImeMode	Gets or sets the Input Method Editor (IME) mode of the control. Inherited from Control.
ImeModeBase protected	Gets or sets the IME mode of a control. Inherited from Control.
InvokeRequired	Gets a value indicating whether the caller must call an invoke method when making method calls to the control because the caller is on a different thread than the one the control was created on. Inherited from Control.
IsAccessible	Gets or sets a value indicating whether the control is visible to accessibility applications. Inherited from Control.
IsDesignMode	Gets a value indicating whether the control is currently in design mode. Inherited from BaseControl.
IsDisposed	Gets a value indicating whether the control has been disposed of. Inherited from Control.
IsHandleCreated	Gets a value indicating whether the control has a handle associated with it. Inherited from Control.
IsLoading	Gets whether the control is being initialized. Inherited from BaseControl.
IsMirrored	Gets a value indicating whether the control is mirrored. Inherited from Control.
IsPopupFormShown	Gets or sets whether the pop-up form is shown.
ItemContextButtons	Stores context buttons, shared among all AccordionControl items.
ItemHeight	Gets or sets the minimum header height for all items (elements whose Style is set to Item) in the control.
LayoutEngine	Gets a cached instance of the control’s layout engine. Inherited from Control.
Left	Gets or sets the distance, in pixels, between the left edge of the control and the left edge of its container’s client area. Inherited from Control.
Location	Gets or sets the coordinates of the upper-left corner of the control relative to the upper-left corner of its container. Inherited from Control.
LookAndFeel	Provides access to the object containing the control’s look and feel settings. Inherited from BaseControl.
Margin	Gets or sets the space between controls. Inherited from Control.
MaximumSize	Gets or sets the size that is the upper limit that GetPreferredSize(Size) can specify. Inherited from Control.
MinimumSize	Gets or sets the size that is the lower limit that GetPreferredSize(Size) can specify. Inherited from Control.
ModifierKeys static	Gets a value indicating which of the modifier keys (SHIFT, CTRL, and ALT) is in a pressed state. Inherited from Control.
MouseButtons static	Gets a value indicating which of the mouse buttons is in a pressed state. Inherited from Control.
MousePosition static	Gets the position of the mouse cursor in screen coordinates. Inherited from Control.
Name	Gets or sets the name of the control. Inherited from Control.
OptionsFooter	Provides access to options specific to the control footer. To enable the control footer, set the AccordionControl.RootDisplayMode property to Footer.
OptionsHamburgerMenu	Provides access to options specific to the hamburger menu view. To enable the hamburger menu view, set the AccordionControl.ViewType property to HamburgerMenu.
OptionsMinimizing	Provides access to options related to the minimized (collapsed) state.
Padding	Gets or sets padding within the control. Inherited from Control.
Parent	Gets or sets the parent container of the control. Inherited from Control.
PreferredSize	Gets the size of a rectangular area into which the control can fit. Inherited from Control.
ProductName	Gets the product name of the assembly containing the control. Inherited from Control.
ProductVersion	Gets the version of the assembly containing the control. Inherited from Control.
PropagatingImeMode protected static	Gets an object that represents a propagating IME mode. Inherited from Control.
RecreatingHandle	Gets a value indicating whether the control is currently re-creating its handle. Inherited from Control.
Region	Gets or sets the window region associated with the control. Inherited from Control.
RenderRightToLeft protected	This property is now obsolete. Inherited from Control.
ResizeMode	Gets or sets whether end-users can drag the control’s edge to resize the control horizontally. The property allows you to choose the position of the resize zone.
ResizeRedraw protected	Gets or sets a value indicating whether the control redraws itself when resized. Inherited from Control.
Right	Gets the distance, in pixels, between the right edge of the control and the left edge of its container’s client area. Inherited from Control.
RightToLeft	Gets or sets a value indicating whether control’s elements are aligned to support locales using right-to-left fonts. Inherited from Control.
RootDisplayMode	Gets or sets whether root groups and items are displayed in the main menu (the default) or in the control footer.
ScaleChildren protected	Gets a value that determines the scaling of child controls. Inherited from Control.
ScaleFactor	Returns scale multipliers that are currently applied to a control’s original width and height. Inherited from BaseControl.
ScaleImages	Gets or sets whether icons are automatically stretched to match the current DPI settings of the user’s monitor.
ScrollBarMode	Gets or sets the vertical scroll bar’s visibility and style.
ScrollContentUpdateMode	Gets or sets how AccordionControl updates its content when scrolled vertically. Immediate - instant update, Delayed - update after a short delay, Default - depends on the number of child controls.
SelectedElement	Gets or sets the currently selected item. This property is in effect if item selection is enabled with the AccordionControl.AllowItemSelection property.
SelectElementMode	Gets or sets whether an element is selected when the mouse button is pressed or released.
ShouldOptimizeAnimation	This member supports the internal infrastructure, and is not intended to be used directly from your code.
ShowFilterControl	Gets or sets the built-in filter control’s visibility.
ShowFocusCues protected	Gets a value indicating whether the control should display focus rectangles. Inherited from Control.
ShowGroupExpandButtons	Gets or sets whether or not AccordionControl groups should display their expand/collapse buttons.
ShowItemExpandButtons	Gets or sets whether item elements should display their expand/collapse buttons.
ShowKeyboardCues protected	Gets a value indicating whether the user interface is in the appropriate state to show or hide keyboard accelerators. Inherited from Control.
ShowToolTips	Gets or sets whether a tooltip should be displayed when the mouse pointer is over the control. Inherited from BaseControl.
Site	Gets or sets the site of the control. Inherited from Control.
Size	Gets or sets the height and width of the control. Inherited from Control.
StyleController	Gets or sets the style controller component that provides style settings for this control. Inherited from BaseControl.
SuperTip	This member supports the internal infrastructure, and is not intended to be used directly from your code.
TabIndex	Gets or sets the tab order of the control within its container. Inherited from Control.
TabStop	Gets or sets a value indicating whether the user can give the focus to this control using the TAB key. Inherited from Control.
Tag	Gets or sets the object that contains data about the control. Inherited from Control.
Text	This is an internal property that should not be used.
ToolTip	This member supports the internal infrastructure, and is not intended to be used directly from your code.
ToolTipAnchor	This member supports the internal infrastructure, and is not intended to be used directly from your code. Inherited from BaseControl.
ToolTipController	Gets or sets the tooltip controller component that controls the appearance, position and content of hints displayed for this control. Inherited from BaseControl.
ToolTipIconType	This member supports the internal infrastructure, and is not intended to be used directly from your code.
ToolTipTitle	This member supports the internal infrastructure, and is not intended to be used directly from your code.
Top	Gets or sets the distance, in pixels, between the top edge of the control and the top edge of its container’s client area. Inherited from Control.
TopLevelControl	Gets the parent control that is not parented by another Windows Forms control. Typically, this is the outermost Form that the control is contained in. Inherited from Control.
UseDirectXPaint	Gets or sets whether to use the DirectX rendering.
UseWaitCursor	Gets or sets a value indicating whether to use the wait cursor for the current control and all child controls. Inherited from Control.
ViewType	Gets or sets whether the control’s view type is a classic accordion control or a hamburger menu. To specify hamburger menu specific options, use the AccordionControl.OptionsHamburgerMenu property.
Visible	Gets or sets a value indicating whether the control and all its child controls are displayed. Inherited from Control.
Width	Gets or sets the width of the control. Inherited from Control.
WindowTarget	This property is not relevant for this class. Inherited from Control.

Methods

Name	Description
AccessibilityNotifyClients(AccessibleEvents, Int32, Int32) protected	Notifies the accessibility client applications of the specified AccessibleEvents for the specified child control . Inherited from Control.
AccessibilityNotifyClients(AccessibleEvents, Int32) protected	Notifies the accessibility client applications of the specified AccessibleEvents for the specified child control. Inherited from Control.
AddGroup()	Adds a new group to this AccordionControl.
AddItem()	Creates a new AccordionControlElement owned by this AccordionControl.
BeginInit()	Starts this AccordionControl‘s initialization.
BeginInvoke(Delegate, Object[])	Executes the specified delegate asynchronously with the specified arguments, on the thread that the control’s underlying handle was created on. Inherited from Control.
BeginInvoke(Delegate)	Executes the specified delegate asynchronously on the thread that the control’s underlying handle was created on. Inherited from Control.
BeginUpdate()	Locks the AccordionControl.
BringToFront()	Brings the control to the front of the z-order. Inherited from Control.
CalcBestSize()	Calculates the minimum size sufficient to fit the content. Inherited from BaseControl.
CalcHitInfo(Point)	Returns the hit info related to the target point within the AccordionControl.
Clear()	Removes all AccordionControl child elements.
ClearPreferredSizeCache(Control) static	Clears the value of the size of a rectangular area, into which the specified control can fit, from the program cache. Inherited from ControlBase.
ClosePopupForm()	Closes the pop-up form.
CollapseAll()	Collapses all group elements that belong to this AccordionControl.
CollapseElement(AccordionControlElement, Boolean)	Collapses the target element with optional animation effects.
CollapseElement(AccordionControlElement)	Collapses the target accordion element.
Contains(Control)	Retrieves a value indicating whether the specified control is a child of the control. Inherited from Control.
CreateControl()	Forces the creation of the visible control, including the creation of the handle and any visible child controls. Inherited from Control.
CreateControlsInstance() protected	Creates a new instance of the control collection for the control. Inherited from Control.
CreateGraphics()	Creates the Graphics for the control. Inherited from Control.
CreateHandle() protected	Creates a handle for the control. Inherited from Control.
CreateObjRef(Type)	Creates an object that contains all the relevant information required to generate a proxy used to communicate with a remote object. Inherited from MarshalByRefObject.
DefWndProc(Message) protected	Sends the specified message to the default window procedure. Inherited from Control.
DestroyHandle() protected	Destroys the handle associated with the control. Inherited from Control.
Dispose()	Releases all resources used by the Component. Inherited from Component.
DoDragDrop(Object, DragDropEffects)	Begins a drag-and-drop operation. Inherited from Control.
DrawToBitmap(Bitmap, Rectangle)	Supports rendering to the specified bitmap. Inherited from Control.
EndInit()	Ends the initialization process, launched by the AccordionControl.BeginInit method.
EndInvoke(IAsyncResult)	Retrieves the return value of the asynchronous operation represented by the IAsyncResult passed. Inherited from Control.
EndUpdate()	Called after all required modifications are applied to the AccordionControl and forces the control to unlock its UI and reflect these changes.
Equals(Object, Object) static	Determines whether the specified object instances are considered equal. Inherited from Object.
Equals(Object)	Determines whether the specified object is equal to the current object. Inherited from Object.
ExpandAll()	Expands all group elements within this AccordionControl.
ExpandElement(AccordionControlElement, Boolean)	Expands the target element with optional animation effects.
ExpandElement(AccordionControlElement)	Expands the target AccordionControlElement.
FindForm()	Retrieves the form that the control is on. Inherited from Control.
Focus()	Sets input focus to the control. Inherited from Control.
ForceFireChanged()	This member supports the internal infrastructure, and is not intended to be used directly from your code.
ForEachElement(Action<AccordionControlElement>)	Performs a certain action for each AccordionControl element.
ForEachVisibleElement(Action<AccordionControlElement>)	Performs a certain action for each AccordionControl visible element.
FromChildHandle(IntPtr) static	Retrieves the control that contains the specified handle. Inherited from Control.
FromHandle(IntPtr) static	Returns the control that is currently associated with the specified handle. Inherited from Control.
GetAccessible()	Returns an object which implements the accessibility information. Inherited from BaseControl.
GetAutoSizeMode() protected	Retrieves a value indicating how a control will behave when its AutoSize property is enabled. Inherited from Control.
GetBackColor()	Gets the color, currently assigned to the control’s Appearance.ControlAppearance.BackColor property.
GetCanProcessMnemonic(Control) static	Returns the value of the control’s CanProcessMnemonic property, if this property exists. Inherited from ControlBase.
GetChildAtPoint(Point, GetChildAtPointSkip)	Retrieves the child control that is located at the specified coordinates, specifying whether to ignore child controls of a certain type. Inherited from Control.
GetChildAtPoint(Point)	Retrieves the child control that is located at the specified coordinates. Inherited from Control.
GetContainerControl()	Returns the next ContainerControl up the control’s chain of parent controls. Inherited from Control.
GetElements()	Returns a linear list of all elements in the AccordionControl.
GetFilterControl()	Returns the AccordionControl‘s filter control.
GetHashCode()	Serves as the default hash function. Inherited from Object.
GetLifetimeService()	Retrieves the current lifetime service object that controls the lifetime policy for this instance. Inherited from MarshalByRefObject.
GetNextControl(Control, Boolean)	Retrieves the next control forward or back in the tab order of child controls. Inherited from Control.
GetPreferredSize(Size)	Retrieves the size of a rectangular area into which a control can be fitted. Inherited from Control.
GetScaledBounds(Rectangle, SizeF, BoundsSpecified) protected	Retrieves the bounds within which the control is scaled. Inherited from Control.
GetService(Type) protected	Returns an object that represents a service provided by the Component or by its Container. Inherited from Component.
GetStyle(ControlStyles) protected	Retrieves the value of the specified control style bit for the control. Inherited from Control.
GetTopLevel() protected	Determines if the control is a top-level control. Inherited from Control.
GetType()	Gets the Type of the current instance. Inherited from Object.
GetUnvalidatedControl(Control) static	This member supports the internal infrastructure and is not intended to be used directly from your code. Inherited from ControlBase.
GetValidationCanceled(Control) static	Returns the ValidationCancelled property value of a control, if this property exists. Inherited from ControlBase.
GetValidationCanceledSource(Control) static	Returns the parent container of the specified control that canceled validation. Inherited from ControlBase.
GetViewInfo()	Returns the object which contains the internal information used to render the control. Inherited from BaseControl.
GetVisibleElements()	Returns a linear list that comprises visible top-level AccordionControl elements and visible elements that reside within expanded groups.
Hide()	Conceals the control from the user. Inherited from Control.
InitializeLifetimeService()	Obtains a lifetime service object to control the lifetime policy for this instance. Inherited from MarshalByRefObject.
InitLayout() protected	Called after the control has been added to another container. Inherited from Control.
Invalidate()	Invalidates the entire surface of the control and causes the control to be redrawn. Inherited from Control.
Invalidate(Boolean)	Invalidates a specific region of the control and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control. Inherited from Control.
Invalidate(Rectangle, Boolean)	Invalidates the specified region of the control (adds it to the control’s update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control. Inherited from Control.
Invalidate(Rectangle)	Invalidates the specified region of the control (adds it to the control’s update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Inherited from Control.
Invalidate(Region, Boolean)	Invalidates the specified region of the control (adds it to the control’s update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Optionally, invalidates the child controls assigned to the control. Inherited from Control.
Invalidate(Region)	Invalidates the specified region of the control (adds it to the control’s update region, which is the area that will be repainted at the next paint operation), and causes a paint message to be sent to the control. Inherited from Control.
Invoke(Delegate, Object[])	Executes the specified delegate, on the thread that owns the control’s underlying window handle, with the specified list of arguments. Inherited from Control.
Invoke(Delegate)	Executes the specified delegate on the thread that owns the control’s underlying window handle. Inherited from Control.
InvokeGotFocus(Control, EventArgs) protected	Raises the GotFocus event for the specified control. Inherited from Control.
InvokeLostFocus(Control, EventArgs) protected	Raises the LostFocus event for the specified control. Inherited from Control.
InvokeOnClick(Control, EventArgs) protected	Raises the Click event for the specified control. Inherited from Control.
InvokePaint(Control, PaintEventArgs) protected	Raises the Paint event for the specified control. Inherited from Control.
InvokePaintBackground(Control, PaintEventArgs) protected	Raises the PaintBackground event for the specified control. Inherited from Control.
IsInputChar(Char) protected	Determines if a character is an input character that the control recognizes. Inherited from Control.
IsInputKey(Keys) protected	Determines whether the specified key is a regular input key or a special key that requires preprocessing. Inherited from Control.
IsKeyLocked(Keys) static	Determines whether the CAPS LOCK, NUM LOCK, or SCROLL LOCK key is in effect. Inherited from Control.
IsMnemonic(Char, String) static	Determines if the specified character is the mnemonic character assigned to the control in the specified string. Inherited from Control.
IsUnvalidatedControlIsParent(Control) static	This member supports the internal infrastructure and is not intended to be used directly from your code. Inherited from ControlBase.
LockUpdate()	This member supports the internal infrastructure, and is not intended to be used directly from your code.
MakeElementVisible(AccordionControlElement)	Scrolls the AccordionControl up or down until the target element is visible.
MemberwiseClone() protected	Creates a shallow copy of the current Object. Inherited from Object.
MemberwiseClone(Boolean) protected	Creates a shallow copy of the current MarshalByRefObject object. Inherited from MarshalByRefObject.
NotifyInvalidate(Rectangle) protected	Raises the Invalidated event with a specified region of the control to invalidate. Inherited from Control.
OnAutoSizeChanged(EventArgs) protected	Raises the AutoSizeChanged event. Inherited from Control.
OnBackColorChanged(EventArgs) protected	Raises the BackColorChanged event. Inherited from Control.
OnBackgroundImageChanged(EventArgs) protected	Raises the BackgroundImageChanged event. Inherited from Control.
OnBackgroundImageLayoutChanged(EventArgs) protected	Raises the BackgroundImageLayoutChanged event. Inherited from Control.
OnBindingContextChanged(EventArgs) protected	Raises the BindingContextChanged event. Inherited from Control.
OnCausesValidationChanged(EventArgs) protected	Raises the CausesValidationChanged event. Inherited from Control.
OnChangeUICues(UICuesEventArgs) protected	Raises the ChangeUICues event. Inherited from Control.
OnClick(EventArgs) protected	Raises the Click event. Inherited from Control.
OnClientSizeChanged(EventArgs) protected	Raises the ClientSizeChanged event. Inherited from Control.
OnContextMenuChanged(EventArgs) protected	Raises the ContextMenuChanged event. Inherited from Control.
OnContextMenuStripChanged(EventArgs) protected	Raises the ContextMenuStripChanged event. Inherited from Control.
OnControlAdded(ControlEventArgs) protected	Raises the ControlAdded event. Inherited from Control.
OnControlRemoved(ControlEventArgs) protected	Raises the ControlRemoved event. Inherited from Control.
OnCreateControl() protected	Raises the CreateControl() method. Inherited from Control.
OnCursorChanged(EventArgs) protected	Raises the CursorChanged event. Inherited from Control.
OnDockChanged(EventArgs) protected	Raises the DockChanged event. Inherited from Control.
OnDoubleClick(EventArgs) protected	Raises the DoubleClick event. Inherited from Control.
OnDragDrop(DragEventArgs) protected	Raises the DragDrop event. Inherited from Control.
OnDragLeave(EventArgs) protected	Raises the DragLeave event. Inherited from Control.
OnDragOver(DragEventArgs) protected	Raises the DragOver event. Inherited from Control.
OnElementCollectionChanged()	Occurs whenever the AccordionControl.Elements collection is modified.
OnEnter(EventArgs) protected	Raises the Enter event. Inherited from Control.
OnFontChanged(EventArgs) protected	Raises the FontChanged event. Inherited from Control.
OnForeColorChanged(EventArgs) protected	Raises the ForeColorChanged event. Inherited from Control.
OnGiveFeedback(GiveFeedbackEventArgs) protected	Raises the GiveFeedback event. Inherited from Control.
OnGotFocus(EventArgs) protected	Raises the GotFocus event. Inherited from Control.
OnHelpRequested(HelpEventArgs) protected	Raises the HelpRequested event. Inherited from Control.
OnImeModeChanged(EventArgs) protected	Raises the ImeModeChanged event. Inherited from Control.
OnInvalidated(InvalidateEventArgs) protected	Raises the Invalidated event. Inherited from Control.
OnKeyUp(KeyEventArgs) protected	Raises the KeyUp event. Inherited from Control.
OnLayout(LayoutEventArgs) protected	Raises the Layout event. Inherited from Control.
OnLeave(EventArgs) protected	Raises the Leave event. Inherited from Control.
OnLocationChanged(EventArgs) protected	Raises the LocationChanged event. Inherited from Control.
OnMarginChanged(EventArgs) protected	Raises the MarginChanged event. Inherited from Control.
OnMouseCaptureChanged(EventArgs) protected	Raises the MouseCaptureChanged event. Inherited from Control.
OnMouseClick(MouseEventArgs) protected	Raises the MouseClick event. Inherited from Control.
OnMouseDoubleClick(MouseEventArgs) protected	Raises the MouseDoubleClick event. Inherited from Control.
OnMouseHover(EventArgs) protected	Raises the MouseHover event. Inherited from Control.
OnMove(EventArgs) protected	Raises the Move event. Inherited from Control.
OnNotifyMessage(Message) protected	Notifies the control of Windows messages. Inherited from Control.
OnPaintBackground(PaintEventArgs) protected	Paints the background of the control. Inherited from Control.
OnParentBackColorChanged(EventArgs) protected	Raises the BackColorChanged event when the BackColor property value of the control’s container changes. Inherited from Control.
OnParentBackgroundImageChanged(EventArgs) protected	Raises the BackgroundImageChanged event when the BackgroundImage property value of the control’s container changes. Inherited from Control.
OnParentBindingContextChanged(EventArgs) protected	Raises the BindingContextChanged event when the BindingContext property value of the control’s container changes. Inherited from Control.
OnParentCursorChanged(EventArgs) protected	Raises the CursorChanged event. Inherited from Control.
OnParentEnabledChanged(EventArgs) protected	Raises the EnabledChanged event when the Enabled property value of the control’s container changes. Inherited from Control.
OnParentFontChanged(EventArgs) protected	Raises the FontChanged event when the Font property value of the control’s container changes. Inherited from Control.
OnParentForeColorChanged(EventArgs) protected	Raises the ForeColorChanged event when the ForeColor property value of the control’s container changes. Inherited from Control.
OnParentRightToLeftChanged(EventArgs) protected	Raises the RightToLeftChanged event when the RightToLeft property value of the control’s container changes. Inherited from Control.
OnParentVisibleChanged(EventArgs) protected	Raises the VisibleChanged event when the Visible property value of the control’s container changes. Inherited from Control.
OnPreviewKeyDown(PreviewKeyDownEventArgs) protected	Raises the PreviewKeyDown event. Inherited from Control.
OnPrint(PaintEventArgs) protected	Raises the Paint event. Inherited from Control.
OnQueryContinueDrag(QueryContinueDragEventArgs) protected	Raises the QueryContinueDrag event. Inherited from Control.
OnRegionChanged(EventArgs) protected	Raises the RegionChanged event. Inherited from Control.
OnStyleChanged(EventArgs) protected	Raises the StyleChanged event. Inherited from Control.
OnSystemColorsChanged(EventArgs) protected	Raises the SystemColorsChanged event. Inherited from Control.
OnTabIndexChanged(EventArgs) protected	Raises the TabIndexChanged event. Inherited from Control.
OnTabStopChanged(EventArgs) protected	Raises the TabStopChanged event. Inherited from Control.
OnTextChanged(EventArgs) protected	Raises the TextChanged event. Inherited from Control.
OnValidated(EventArgs) protected	Raises the Validated event. Inherited from Control.
OnValidating(CancelEventArgs) protected	Raises the Validating event. Inherited from Control.
OnVisibleChanged(EventArgs) protected	Raises the VisibleChanged event. Inherited from Control.
PerformLayout()	Forces the control to apply layout logic to all its child controls. Inherited from Control.
PerformLayout(Control, String)	Forces the control to apply layout logic to all its child controls. Inherited from Control.
PerformValidation(Control, Boolean) static	Returns if the ControlBase validates its value before the user may proceed. Inherited from ControlBase.
PointToClient(Point)	Computes the location of the specified screen point into client coordinates. Inherited from Control.
PointToScreen(Point)	Computes the location of the specified client point into screen coordinates. Inherited from Control.
PreProcessControlMessage(Message)	Preprocesses keyboard or input messages within the message loop before they are dispatched. Inherited from Control.
PreProcessMessage(Message)	Preprocesses keyboard or input messages within the message loop before they are dispatched. Inherited from Control.
ProcessCmdKey(Message, Keys) protected	Processes a command key. Inherited from Control.
ProcessDialogChar(Char) protected	Processes a dialog character. Inherited from Control.
ProcessKeyEventArgs(Message) protected	Processes a key message and generates the appropriate control events. Inherited from Control.
ProcessKeyMessage(Message) protected	Processes a keyboard message. Inherited from Control.
ProcessKeyPreview(Message) protected	Previews a keyboard message. Inherited from Control.
ProcessMnemonic(Char) protected	Processes a mnemonic character. Inherited from Control.
RaiseDragEvent(Object, DragEventArgs) protected	Raises the appropriate drag event. Inherited from Control.
RaiseKeyEvent(Object, KeyEventArgs) protected	Raises the appropriate key event. Inherited from Control.
RaiseMouseEvent(Object, MouseEventArgs) protected	Raises the appropriate mouse event. Inherited from Control.
RaisePaintEvent(Object, PaintEventArgs) protected	Raises the appropriate paint event. Inherited from Control.
RecreateHandle() protected	Forces the re-creation of the handle for the control. Inherited from Control.
RectangleToClient(Rectangle)	Computes the size and location of the specified screen rectangle in client coordinates. Inherited from Control.
RectangleToScreen(Rectangle)	Computes the size and location of the specified client rectangle in screen coordinates. Inherited from Control.
ReferenceEquals(Object, Object) static	Determines whether the specified Object instances are the same instance. Inherited from Object.
ReflectMessage(IntPtr, Message) protected static	Reflects the specified message to the control that is bound to the specified handle. Inherited from Control.
Refresh()	Redraws the AccordionControl.
ResetBackColor()	Resets the AccordionControl.BackColor property to its default value.
ResetBindings()	Causes a control bound to the BindingSource to reread all the items in the list and refresh their displayed values. Inherited from Control.
ResetCursor()	Resets the Cursor property to its default value. Inherited from Control.
ResetFont()	Resets the Font property to its default value. Inherited from Control.
ResetForeColor()	Resets the BaseStyleControl.ForeColor property to its default value. Inherited from BaseStyleControl.
ResetImeMode()	Resets the ImeMode property to its default value. Inherited from Control.
ResetMouseEventArgs() protected	Resets the control to handle the MouseLeave event. Inherited from Control.
ResetPainter()	Resets the painter associated with this BaseStyleControl to its default state. Inherited from BaseStyleControl.
ResetRightToLeft()	Resets the RightToLeft property to its default value. Inherited from Control.
ResetSuperTip()	Removes the SuperToolTip object that has been assigned to the current control. Inherited from BaseControl.
ResetText()	Resets the Text property to its default value (Empty). Inherited from Control.
ResetValidationCanceled(Control) static	Resets the control’s ValidationCancelled property. This method supports the internal infrastructure and is not intended to be used directly from your code. Inherited from ControlBase.
ResetViewInfo()	Resets the View Info object associated with this BaseStyleControl. Inherited from BaseStyleControl.
RestoreFromRegistry(String)	Loads the AccordionControl layout, stored in registry.
RestoreFromStream(Stream)	Loads the AccordionControl layout, stored in a stream.
RestoreFromXml(String)	Loads the AccordionControl layout, stored in a local XML file.
RestoreLayoutFromRegistry(String)	Loads the AccordionControl layout, stored in registry.
RestoreLayoutFromStream(Stream)	Loads the AccordionControl layout, stored in a stream.
RestoreLayoutFromXml(String)	Loads the AccordionControl layout, stored in a local XML file.
ResumeLayout()	Resumes usual layout logic. Inherited from Control.
ResumeLayout(Boolean)	Resumes usual layout logic, optionally forcing an immediate layout of pending layout requests. Inherited from Control.
RtlTranslateAlignment(ContentAlignment) protected	Converts the specified ContentAlignment to the appropriate ContentAlignment to support right-to-left text. Inherited from Control.
RtlTranslateAlignment(HorizontalAlignment) protected	Converts the specified HorizontalAlignment to the appropriate HorizontalAlignment to support right-to-left text. Inherited from Control.
RtlTranslateAlignment(LeftRightAlignment) protected	Converts the specified LeftRightAlignment to the appropriate LeftRightAlignment to support right-to-left text. Inherited from Control.
RtlTranslateContent(ContentAlignment) protected	Converts the specified ContentAlignment to the appropriate ContentAlignment to support right-to-left text. Inherited from Control.
RtlTranslateHorizontal(HorizontalAlignment) protected	Converts the specified HorizontalAlignment to the appropriate HorizontalAlignment to support right-to-left text. Inherited from Control.
RtlTranslateLeftRight(LeftRightAlignment) protected	Converts the specified LeftRightAlignment to the appropriate LeftRightAlignment to support right-to-left text. Inherited from Control.
SaveLayoutToRegistry(String)	Saves the current AccordionControl layout to the registry.
SaveLayoutToStream(Stream)	Saves the current AccordionControl layout to a stream.
SaveLayoutToXml(String)	Saves the current AccordionControl layout to a local XML file.
SaveToRegistry(String)	Saves the current AccordionControl layout to the registry.
SaveToStream(Stream)	Saves the current AccordionControl layout to a stream.
SaveToXml(String)	Saves the current AccordionControl layout to a local XML file.
Scale(SizeF)	Scales the control and all child controls by the specified scaling factor. Inherited from Control.
Scale(Single, Single)	Scales the entire control and any child controls. Inherited from Control.
Scale(Single)	Scales the control and any child controls. Inherited from Control.
ScaleCore(Single, Single) protected	This method is not relevant for this class. Inherited from Control.
Select()	Activates the control. Inherited from Control.
Select(Boolean, Boolean) protected	Activates a child control. Optionally specifies the direction in the tab order to select the control from. Inherited from Control.
SelectElement(AccordionControlElement)	Selects the specified element. This method is in effect if item selection is enabled with the AccordionControl.AllowItemSelection property.
SelectNextControl(Control, Boolean, Boolean, Boolean, Boolean)	Activates the next control. Inherited from Control.
SendToBack()	Sends the control to the back of the z-order. Inherited from Control.
SetAutoSizeMode(AutoSizeMode) protected	Sets a value indicating how a control will behave when its AutoSize property is enabled. Inherited from Control.
SetBounds(Int32, Int32, Int32, Int32, BoundsSpecified)	Sets the specified bounds of the control to the specified location and size. Inherited from Control.
SetBounds(Int32, Int32, Int32, Int32)	Sets the bounds of the control to the specified location and size. Inherited from Control.
SetClientSizeCore(Int32, Int32) protected	Sets the size of the client area of the control. Inherited from Control.
SetStyle(ControlStyles, Boolean) protected	Sets a specified ControlStyles flag to either true or false. Inherited from Control.
SetTopLevel(Boolean) protected	Sets the control as the top-level control. Inherited from Control.
Show()	Displays the control to the user. Inherited from Control.
ShowPopupForm(AccordionControlElement)	Shows the pop-up form.
SizeFromClientSize(Size) protected	Determines the size of the entire control from the height and width of its client area. Inherited from Control.
SuspendLayout()	Temporarily suspends the layout logic for the control. Inherited from Control.
IDropTarget.OnDragDrop(DragEventArgs)	Raises the DragDrop event. Inherited from Control.
IDropTarget.OnDragEnter(DragEventArgs)	Raises the DragEnter event. Inherited from Control.
IDropTarget.OnDragLeave(EventArgs)	Raises the DragLeave event. Inherited from Control.
IDropTarget.OnDragOver(DragEventArgs)	Raises the DragOver event. Inherited from Control.
ToString()	Returns a String containing the name of the Component, if any. This method should not be overridden. Inherited from Component.
UnlockUpdate()	This member supports the internal infrastructure, and is not intended to be used directly from your code.
Update()	Causes the control to redraw the invalidated regions within its client area. Inherited from Control.
UpdateBounds() protected	Updates the bounds of the control with the current size and location. Inherited from Control.
UpdateBounds(Int32, Int32, Int32, Int32, Int32, Int32) protected	Updates the bounds of the control with the specified size, location, and client size. Inherited from Control.
UpdateBounds(Int32, Int32, Int32, Int32) protected	Updates the bounds of the control with the specified size and location. Inherited from Control.
UpdateStyles() protected	Forces the assigned styles to be reapplied to the control. Inherited from Control.
UpdateZOrder() protected	Updates the control in its parent’s z-order. Inherited from Control.

Events

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.
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.