TCustomComboBox Members

The following tables list the members exposed by TCustomComboBox.

	Name	Description
	OnAlignInsertBefore	Occurs when an object with custom alignment is aligned.
	OnAlignPosition	Occurs when an object with custom alignment is aligned.
	OnCanResize	Occurs when an attempt is made to resize the control.
	OnChange	Occurs when the user changes the text displayed in the edit region.
	OnClick	Occurs when the user clicks the control.
	OnCloseUp	Occurs when the drop-down list closes up due to some user action.
	OnConstrainedResize	Adjust resize constraints.
	OnContextPopup	Occurs when the user right-clicks the control or otherwise invokes the popup menu (such as using the keyboard).
	OnDblClick	Occurs when the user double-clicks the left mouse button when the mouse pointer is over the control.
	OnDockDrop	Occurs when another control is docked to the control.
	OnDockOver	Occurs when another control is dragged over the control.
	OnDragDrop	Occurs when the user drops an object being dragged.
	OnDragOver	Occurs when the user drags an object over a control.
	OnDrawItem	Occurs when an item in an owner-draw combo box needs to be displayed.
	OnDropDown	Occurs when the user opens the drop-down list.
	OnEndDock	Occurs when the dragging of an object ends, either by docking the object or by canceling the dragging.
	OnEndDrag	Occurs when the dragging of an object ends, either by dropping the object or by canceling the dragging.
	OnEnter	Occurs when a control receives the input focus.
	OnExit	Occurs when the input focus shifts away from one control to another.
	OnGetSiteInfo	Returns the control's docking information.
	OnKeyDown	Occurs when a user presses any key while the control has focus.
	OnKeyPress	Occurs when a key is pressed.
	OnKeyUp	Occurs when the user releases a key that has been pressed.
	OnMeasureItem	Occurs when an item in a csOwnerDrawVariable combo box needs to be redisplayed.
	OnMouseActivate	Occurs when the user presses a mouse button with the mouse pointer over a control and the parent form is not active.
	OnMouseDown	Occurs when the user presses a mouse button with the mouse pointer over a control.
	OnMouseEnter	Occurs when the user moves the mouse into a control.
	OnMouseLeave	Occurs when the user moves the mouse outside of a control.
	OnMouseMove	Occurs when the user moves the mouse pointer while the mouse pointer is over a control.
	OnMouseUp	Occurs when the user releases a mouse button that was pressed with the mouse pointer over a component.
	OnMouseWheel	Occurs when the mouse wheel is rotated.
	OnMouseWheelDown	Occurs when the mouse wheel is rotated downward.
	OnMouseWheelUp	Occurs when the mouse wheel is rotated upward.
	OnResize	Occurs immediately after the control is resized.
	OnSelect	Occurs when the user selects a string in the drop-down list.
	OnStartDock	Occurs when the user begins to drag a control with a DragKind of dkDock.
	OnStartDrag	Occurs when the user begins to drag the control or an object it contains by left-clicking on the control and holding the mouse button down.
	OnUnDock	Occurs when the application tries to undock a control that is docked to the windowed control.

Protected Fields

	Name	Description
	FAnchorMove	This is FAnchorMove, a member of class TControl.
	FAnchorOrigin	This is FAnchorOrigin, a member of class TControl.
	FAnchorRules	This is FAnchorRules, a member of class TControl.
	FComponentStyle	This is FComponentStyle, a member of class TComponent.
	FDefEditProc	This is FDefEditProc, a member of class TCustomCombo.
	FDefListProc	This is FDefListProc, a member of class TCustomCombo.
	FDesignSize	This is FDesignSize, a member of class TWinControl.
	FDoubleBuffered	This is FDoubleBuffered, a member of class TWinControl.
	FDropHandle	This is FDropHandle, a member of class TCustomCombo.
	FDroppingDown	This is FDroppingDown, a member of class TCustomCombo.
	FEditHandle	This is FEditHandle, a member of class TCustomCombo.
	FEditInstance	This is FEditInstance, a member of class TCustomCombo.
	FExplicitHeight	This is FExplicitHeight, a member of class TControl.
	FExplicitLeft	This is FExplicitLeft, a member of class TControl.
	FExplicitTop	This is FExplicitTop, a member of class TControl.
	FExplicitWidth	This is FExplicitWidth, a member of class TControl.
	FFocusChanged	This is FFocusChanged, a member of class TCustomCombo.
	FInImeComposition	This is FInImeComposition, a member of class TWinControl.
	FIsFocused	This is FIsFocused, a member of class TCustomCombo.
	FListHandle	This is FListHandle, a member of class TCustomCombo.
	FListInstance	This is FListInstance, a member of class TCustomCombo.
	FOriginalParentSize	This is FOriginalParentSize, a member of class TControl.
	FSaveIndex	This is FSaveIndex, a member of class TCustomCombo.

Protected Methods

	Name	Description
	_AddRef	Called when an application uses a component interface.
	_Release	Called when an application releases a component interface.
	ActionChange	Responds when the action associated with the control changes.
	ActionChange	Updates the control to reflect changes in its associated action.
	AddBiDiModeExStyle	Sets control's window style according to its bi-directional support.
	AdjustClientRect	Provides the interface that adjusts the ClientRect property for idiosyncrasies of the window.
	AdjustDropDown	Adjusts the size and position of the drop down list.
	AdjustSize	Sets the size of the control as determined by the AutoSize property.
	AdjustSize	Adjusts the control's size according to its contents and constraints.
	AlignControls	Aligns any controls for which the control is the parent within a specified area of the control.
	ArrangeControl	This is ArrangeControl, a member of class TWinControl.
	AssignTo	Copies the properties of an object to a destination object.
	AssignTo	Overrides the inherited AssignTo function to enable assignments to TAction objects.
	AssignTo	Copies the properties of the windowed control to another object.
	BeginAutoDrag	Begin Automatic Drag.
	CalcCursorPos	This is CalcCursorPos, a member of class TControl.
	CanAutoSize	Indicates whether the control can resize itself automatically to accommodate its contents.
	CanAutoSize	Indicates how the control can be resized.
	CanResize	OnCanResize event dispatcher.
	CanResize	Indicates how the control can respond to a resize attempt.
	Change	Generates an OnChange event.
	Changed	Sends a CM_CHANGED message to the control.
	ChangeName	Sets the private, internal storage for the Name property to the string passed in NewName.
	ChangeScale	Rescaling event dispatcher.
	ChangeScale	Resize and reposition children and self.
	Click	Respond to user click.
	CloseUp	Generates an OnCloseUp event.
	ComboWndProc	Responds to Windows messages sent to the edit control or drop-down list.
	ConstrainedResize	Notify control of resize with constraints.
	ConstrainedResize	Generates an OnConstrainedResize event.
	ControlsAligned	This is ControlsAligned, a member of class TWinControl.
	CreateDockManager	Creates the dock manager for the control.
	CreateHandle	Creates underlying screen object.
	CreateParams	Initializes the window-creation parameter record.
	CreateSubClass	Creates a windowed control derived from an existing Windows window class.
	CreateWindowHandle	Creates a Windows control to represent the control.
	CreateWnd	Creates the Windows control that represents the combo box.
	CustomAlignInsertBefore	Returns placement order of custom-aligned child control.
	CustomAlignPosition	Returns aligned position of custom-aligned child control.
	DblClick	OnDblClick event dispatcher.
	DefaultDockImage	Handles the painting and erasing of a dock image.
	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.
	DefineProperties	Provides methods to read and write the IsControl property to a stream such as a form file.
	DefineProperties	Provides methods to read and write the IsControl property to a stream such as a form file.
	DesignWndProc	This is DesignWndProc, a member of class TControl.
	DestroyHandle	Destroys the control's window without destroying the control.
	DestroyWindowHandle	Destroys the window created in the CreateWindowHandle method.
	DestroyWindowHandle	Destroys all of the windows controls that implement the combo box.
	DestroyWnd	Destroys the Windows control that represents the combo box.
	DoAddDockClient	Performs actions when a control is docked to the windowed control.
	DockOver	Responds when a docking client is dragged over the windowed control.
	DockReplaceDockClient	This is DockReplaceDockClient, a member of class TWinControl.
	DockTrackNoTarget	Handles dragging of the control over an invalid docking target.
	DoContextPopup	OnContextPopup event dispatcher.
	DoDock	Docking event dispatcher.
	DoDockOver	Generates an OnDockOver event.
	DoEndDock	OnEndDock event dispatcher.
	DoEndDrag	OnEndDrag event dispatcher.
	DoEnter	Respond to receiving input focus.
	DoExit	Respond to losing input focus
	DoFlipChildren	Flips the control's children.
	DoKeyDown	Performs some preprocessing before generating an OnKeyDown event.
	DoKeyPress	Performs some preprocessing before generating an OnKeyPress event.
	DoKeyUp	Performs some preprocessing before generating an OnKeyUp event.
	DoMouseWheel	Processes mouse wheel motion.
	DoMouseWheelDown	OnMouseWheelDown event dispatcher.
	DoMouseWheelUp	OnMouseWheelUp event dispatcher.
	DoRemoveDockClient	Responds when a control is undocked from the windowed control.
	DoStartDock	OnStartDock event dispatcher.
	DoStartDrag	OnStartDrag event dispatcher.
	DoUnDock	Undocks a control that is currently docked to the windowed control.
	DragCanceled	Provides the interface for a method that responds to the cancellation of a drag.
	DragOver	OnDragOver event dispatcher.
	DrawDragDockImage	Draws the dock image for the control.
	DrawItem	Generates an OnDrawItem event.
	DropDown	Generates an OnDropDown event.
	EditWndProc	Responds to Windows messages that are sent to the edit control portion of the combo box.
	EraseDragDockImage	Erases the dock image for the control.
	FindNextControl	Returns the control's next child in the tab order after the specified control.
	FixupTabList	Sorts the child controls by their tab order.
	GetAction	This is GetAction, a member of class TControl.
	GetActionLinkClass	Returns the appropriate action link class that is associated with the control class.
	GetActionLinkClass	Returns the associated action link class.
	GetChildOwner	Returns the owner of a child component being read from a stream.
	GetChildParent	Returns the parent, or if there is no parent, returns the owner of a child component being read from a stream.
	GetChildren	This is GetChildren, a member of class TComponent.
	GetChildren	Calls a specified method for each child of the control.
	GetClientOrigin	Returns the screen coordinates of the top-left corner of the control's client area.
	GetClientOrigin	Returns the value of the ClientOrigin property.
	GetClientRect	Returns a rectangle defining the client area of the control.
	GetClientRect	Returns the value of the ClientRect property.
	GetControlExtents	Returns the smallest rectangle in which all the control's children fit.
	GetCount	Returns the number of items in the list.
	GetCount	Returns the value of the ItemCount property.
	GetDeviceContext	Returns a device context for the control.
	GetDeviceContext	Provides access to a device context for the control.
	GetDockEdge	Returns the edge on which another control should be docked when it is dragged over the control.
	GetDragImages	Returns the control's image list containing the image to be displayed while dragging.
	GetDroppedDown	Returns the value of the DroppedDown property.
	GetEnabled	Returns the value of the Enabled property.
	GetFloating	Returns the value of the Floating property.
	GetFloatingDockSiteClass	Returns the class used for the control when it is floating.
	GetIDsOfNames	Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
	GetItemCount	Returns the number of items in the Items property list.
	GetItemHt	Returns the value of the ItemHeight property.
	GetItemIndex	Returns the value of the ItemIndex property.
	GetItemIndex	Returns the value of the ItemIndex property.
	GetItemsClass	Returns the class used to implement the Items property.
	GetOwner	Returns the owner of a component.
	GetOwner	Returns the owner of an object.
	GetPalette	Returns the handle to a palette for use by the control.
	GetParentHandle	Returns the window handle for the window of the control's parent.
	GetPopupMenu	Returns the pop-up menu associated with the control.
	GetSelLength	Returns the value of the SelLength property.
	GetSelStart	Returns the value of the SelStart property.
	GetSelText	Returns the value of the SelText property.
	GetSiteInfo	Generates an OnGetSiteInfo event
	GetTopParentHandle	Returns the window handle of the first window not associated with a VCL control that contains the windowed control.
	GetTypeInfo	Retrieves the type information for an object.
	GetTypeInfoCount	Returns the number of type information interfaces that an object provides (either 0 or 1).
	InvalidateDockHostSite	This is InvalidateDockHostSite, a member of class TWinControl.
	Invoke	Provides access to Automation properties and methods when the component wraps an Automation object.
	IsControlActivateMsg	This is IsControlActivateMsg, a member of class TWinControl.
	IsControlMouseMsg	Indicates whether a specified mouse message is directed to one of the windowed control's child controls.
	IsQualifyingSite	This is IsQualifyingSite, a member of class TWinControl.
	KeyDown	Respond to key press events.
	KeyPress	Responds to WM_CHAR messages sent to the combo box.
	KeyUp	Respond to released key.
	ListWndProc	Responds to Windows messages that are sent to the drop-down list portion of the combo box.
	Loaded	Initializes the component after the form file has been read into memory.
	Loaded	Initializes the control after it is loaded from a stream.
	Loaded	Initializes the combo box after its form is loaded into memory.
	MainWndProc	Receives Windows messages for the control.
	MeasureItem	Generates an OnMeasureItem event.
	MouseActivate	This is MouseActivate, a member of class TControl.
	MouseDown	OnMouseDown event dispatcher.
	MouseMove	Respond to mouse moving over control area..
	MouseUp	OnMouseUp event dispatcher.
	Notification	Forwards notification messages to all owned components.
	Notification	Responds to notifications that components are being created or destroyed.
	Notification	Responds to notifications that components are being created or destroyed.
	NotifyControls	Sends a message to all the child controls.
	PaintControls	Paints each of the child controls in a windowed control using the specified device context.
	PaintHandler	Responds to WM_PAINT messages.
	PaintWindow	Renders the image of a windowed control.
	PaletteChanged	Responds to changes in the system's palette by realizing the control's palette.
	PaletteChanged	Responds to changes in the system's palette by realizing the control's palette and the palette for each child control.
	PaletteCreated	Responds when the component is created from the component palette.
	PositionDockRect	Positions the docking rectangle according to the current drag-and-dock state.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	ReadState	This is ReadState, a member of class TComponent.
	ReadState	Prepares the control for having its properties assigned values read from a stream.
	ReadState	Prepares the control for having its properties assigned values from a stream.
	RecreateWnd	Recreate underlying Windows screen object.
	ReloadDockedControl	Reloads a docked control.
	RemoveWindowProps	This is RemoveWindowProps, a member of class TWinControl.
	RequestAlign	Instructs the parent of a control to reposition the control, enforcing its Align property.
	ResetIme	Restores the input method editor (IME) that was active when the application started.
	ResetImeComposition	Directs the composition window of the input method editor (IME) to perform a specific action.
	Resize	Respond to control resize.
	ScaleConstraints	This is ScaleConstraints, a member of class TControl.
	ScaleControls	Rescale child controls only.
	Select	Generates an OnSelect event.
	SelectFirst	Locates first selectable child control.
	SelectItem	Selects a specified item from the drop-down list.
	SelectNext	Moves the input focus from the current child control to the next one in the tab order.
	SendCancelMode	Cancels the modal state of the control.
	SendDockNotification	Sends a Windows message to the control's host dock site.
	SetAncestor	This is SetAncestor, a member of class TComponent.
	SetAutoSize	This is SetAutoSize, a member of class TControl.
	SetBiDiMode	Sets the control's bi-directional mode.
	SetChildOrder	This is SetChildOrder, a member of class TComponent.
	SetChildOrder	Changes the order in which the child component appears in the list of child components returned by the GetChildren method.
	SetDesigning	Ensures that components inserted at design time have their design-mode flag set.
	SetDesignInstance	Ensures that components inserted at design time have their design-mode flag set.
	SetDragMode	Sets the drag mode for the control.
	SetDropDownCount	Sets the value of the DropDownCount property.
	SetDroppedDown	Sets the value of the DroppedDown property.
	SetEnabled	Sets the value of the Enabled property.
	SetIme	Activates an input method editor (IME) using the values specified by the ImeMode and ImeName properties.
	SetImeCompositionWindow	Sets the position and font of the composition window.
	SetInline	Sets the csInline bit of the component's ComponentState property
	SetItemHeight	Sets the value of the ItemHeight property.
	SetItemIndex	Sets the value of the ItemIndex property.
	SetItemIndex	Sets the value of the ItemIndex property.
	SetItems	Sets the value of the Items property.
	SetMaxLength	Sets the value of the MaxLength property.
	SetName	Sets the value of the Name property.
	SetName	Sets the name of the control.
	SetParent	Sets the parent of the control.
	SetParent	Sets the parent of the control.
	SetParentBackground	This is SetParentBackground, a member of class TWinControl.
	SetParentBiDiMode	Specifies whether the control uses its parent's BiDiMode.
	SetParentComponent	This is SetParentComponent, a member of class TComponent.
	SetParentComponent	Sets the parent for the control.
	SetSelLength	Sets the value of the SelLength property.
	SetSelStart	Sets the value of the SelStart property.
	SetStyle	Sets the Style property.
	SetZOrder	Repositions the control in its parent's control list, thereby changing position onscreen.
	SetZOrder	Moves the control to the top or bottom of the parent control's (or screen's) list of TWinControl controls.
	ShowControl	Ensures that a specified child control is visible.
	UpdateBounds	This is UpdateBounds, a member of class TWinControl.
	UpdateBoundsRect	Changes the Top, Left, Width, and Height properties of the control, but doesn't update its screen image and bypasses all resize events.
	UpdateControlOriginalParentSize	This is UpdateControlOriginalParentSize, a member of class TWinControl.
	Updated	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
	UpdateExplicitBounds	This is UpdateExplicitBounds, a member of class TControl.
	UpdateRecreatingFlag	This is UpdateRecreatingFlag, a member of class TWinControl.
	UpdateRegistry	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
	UpdateUIState	Updates form User Interface State as needed
	Updating	Sets the csUpdating state in the component's ComponentState property.
	ValidateContainer	Determines whether an object can be inserted into a container.
	ValidateInsert	Provides the interface for a method that validates an child component before it is inserted.
	ValidateRename	Ensures that renaming an owned component does not create name conflict.
	VisibleChanging	Provides the interface for a method that responds to changes in the control's visibility.
	WndProc	Processes messages received by the combo box.
	WriteState	This is WriteState, a member of class TComponent.

Protected Properties

	Name	Description
	ActionLink	Contains the action link object associated with the control.
	AutoSize	Specifies whether the control sizes itself automatically to accommodate its contents.
	BevelEdges	Specifies which edges of the control are beveled.
	BevelInner	Specifies the cut of the inner bevel.
	BevelKind	Specifies the control's bevel style.
	BevelOuter	Specifies the cut of the outer bevel.
	BevelWidth	Specifies the width of the inner and outer bevels.
	BorderWidth	Specifies the width of the control's border.
	Caption	Specifies a text string that identifies the control to the user.
	Color	Specifies the background color of the control.
	Ctl3D	Determines whether a control has a three-dimensional (3-D) or two-dimensional look.
	DefWndProc	Specifies the default window procedure for the windowed control.
	DesktopFont	Specifies whether the control uses the Windows icon font when writing text.
	DragCursor	Indicates the image used to represent the mouse pointer when the control is being dragged.
	DragKind	Specifies whether the control is being dragged normally or for docking.
	DragMode	Determines how the control initiates drag-and-drop or drag-and-dock operations.
	DropDownCount	Specifies the maximum number of items displayed in the drop-down list.
	EditHandle	Returns the window handle for the edit portion of the combo box.
	Font	Controls the attributes of text written on or in the control.
	ImeMode	Determines the behavior of the input method editor (IME).
	ImeName	Specifies the input method editor (IME) to use for converting keyboard input to Asian language characters.
	IsControl	Determines whether a form stores its form-specific properties to a stream.
	ItemCount	Specifies the number of items in the drop-down list.
	ItemHeight	Specifies the height, in pixels, of the items in the drop-down list.
	ListHandle	Provides access to the window handle of the list of items in the combo box.
	MaxLength	Specifies the maximum number of characters the user can type into the edit portion of the combo box.
	MouseCapture	Indicates whether the control has "captured" mouse events.
	ParentBackground	Determines whether control uses parent's theme background.
	ParentBiDiMode	Specifies whether the control uses its parent's BiDiMode.
	ParentColor	Determines where a control looks for its color information.
	ParentColor	Determines where a control looks for its color information.
	ParentCtl3D	Determines where a component looks to determine if it should appear three dimensional.
	ParentFont	Determines where a control looks for its font information.
	ParentShowHint	Determines where a control looks to find out if its Help Hint should be shown.
	PopupMenu	Identifies the pop-up menu associated with the control.
	ScalingFlags	Reflects which attributes of the control have been scaled.
	Sorted	Determines whether the list portion of the combo box is alphabetized.
	Style	Determines the display style of the combo box.
	Text	Contains a text string associated with the control.
	WheelAccumulator	Accumulates mouse wheel rotations.
	WindowHandle	Provides access to a window handle for the control.
	WindowText	Contains the text string of the control.

Public Events

	Name	Description
	WindowProc	Points to the window procedure that responds to messages sent to the control.

Public Methods

	Name	Description
	_AddRef	Increments the reference count for this interface.
	_Release	Decrements the reference count for this interface.
	AddItem	Adds an item to the list control.
	AddItem	Adds an item to the drop-down list of items.
	AfterConstruction	Responds after the last constructor has executed.
	Assign	Copies the contents of another, similar object.
	BeforeDestruction	Performs any necessary actions before the first destructor is called.
	BeforeDestruction	Responds before the first destructor executes.
	BeginDrag	Starts the dragging of a control.
	BringToFront	Puts the control in front of all other controls in its parent control.
	Broadcast	Sends a message to each of the child controls.
	CanFocus	Indicates whether a control can receive focus.
	ClassInfo	Returns a pointer to the runtime type information (RTTI) table for the object type.
	ClassName	Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
	ClassNameIs	Determines whether an object is of a specific type.
	ClassParent	Returns the type of the immediate ancestor of a class.
	ClassType	Returns the class reference for the object's class.
	CleanupInstance	Performs finalization on long strings, variants, and interface variables within a class.
	Clear	Deletes all of the items from the list control.
	Clear	Deletes all text from the edit box and all items from the Items list.
	ClearSelection	Removes the selection, leaving all items unselected.
	ClearSelection	Deselects any selected items in the drop-down list.
	ClientToParent	Translates client coordinates to parent coordinates.
	ClientToScreen	Translates a given point from client area coordinates to global screen coordinates.
	ContainsControl	Indicates whether a specified control exists within the control.
	ControlAtPos	Returns the child control located at a specified position within the control.
	CopySelection	Copies the selected item or items to another TCustomListControl descendant.
	CopySelection	Copies the selected item in the drop-down list to another list control.
	Create	Creates and initializes a TCustomComboBox instance.
	CreateParented	Creates and initializes a control as the child of a specified non-VCL container.
	CreateParentedControl	Creates and initializes a control as the child of a specified non-VCL window.
	DefaultHandler	Provides message handling for all messages that do not have specific handlers.
	DefaultHandler	Provides message handling for all messages that the control does not fully process itself.
	DefaultHandler	Provides the interface for a method that processes message records.
	DeleteSelected	Deletes all the selected items.
	DeleteSelected	Deletes the selected item from the drop-down list.
	Destroy	Destroys the combo box and frees its memory.
	DestroyComponents	Destroys all owned components.
	Destroying	Indicates that the component and its owned components are about to be destroyed.
	DisableAlign	Disables the realignment of child controls.
	Dispatch	Calls message-handling methods for the object, based on the contents of the Message parameter.
	Dock	Used internally to dock the control.
	DockDrop	Generates an OnDockDrop event.
	DragDrop	OnDragDrop event dispatcher.
	Dragging	Indicates whether a control is being dragged.
	DrawTextBiDiModeFlags	Returns the text flags that reflect the current setting of the BiDiMode property.
	DrawTextBiDiModeFlagsReadingOnly	Returns the text flag to add that indicates whether the control's text should read from right to left.
	EnableAlign	Decrements the reference count incremented by the DisableAlign method, eventually realigning the child controls.
	EndDrag	Stops a control from being dragged any further.
	ExecuteAction	This is ExecuteAction, a member of class TComponent.
	FieldAddress	Returns the address of a published object field.
	FindChildControl	Returns a child control given its name.
	FindComponent	Indicates whether a given component is owned by the component.
	FlipChildren	Reverses the positions of child controls.
	Focused	Determines whether the control has input focus.
	Focused	Indicates whether the combo box has input focus.
	Free	Destroys an object and frees its associated memory, if necessary.
	FreeInstance	Deallocates memory allocated by a previous call to the System::TObject::NewInstance method.
	FreeNotification	Ensures that AComponent is notified that the component is going to be destroyed.
	FreeOnRelease	Frees the interface reference for components that were created from COM classes.
	GetComponent	Returns a reference to the component associated by the implementing class.
	GetControlsAlignment	Indicates how text is aligned within the control.
	GetEnumerator	Returns a TComponent enumerator.
	GetInterface	Retrieves a specified interface.
	GetInterfaceEntry	Returns the entry for a specific interface implemented in a class.
	GetInterfaceTable	Returns a pointer to a structure containing all of the interfaces implemented by a given class.
	GetNamePath	Returns a string used by the Object Inspector.
	GetNamePath	Returns the name of the object as it appears in the Object Inspector.
	GetParentComponent	Returns the containing Component.
	GetParentComponent	Returns the parent of the control.
	GetTabOrderList	Builds a list of controls in tab order.
	GetTextBuf	Retrieves the control's text, copies it into a buffer, and returns the number of characters copied.
	GetTextLen	Returns the length of the control's text.
	HandleAllocated	Reports whether a screen object handle exists for the control.
	HandleNeeded	Creates a screen object for the control if it doesn't already exist.
	HasParent	This is HasParent, a member of class TComponent.
	HasParent	Indicates whether the control has a parent.
	Hide	Makes the control invisible.
	InheritsFrom	Determines the relationship of two object types.
	InitiateAction	Calls the action link's Update method if the control is associated with an action link.
	InitInstance	Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
	InsertComponent	Establishes the component as the owner of a specified component.
	InsertControl	Inserts a control into the Controls array property.
	InstanceSize	Returns the size in bytes of each instance of the object type.
	Invalidate	Completely repaint control.
	Invalidate	Schedules a control repaint.
	IsImplementorOf	Indicates whether the component implements a specified interface.
	IsRightToLeft	Indicates whether the control should be reversed right to left.
	ManualDock	Docks the control.
	ManualFloat	Undocks the control.
	MethodAddress	This is MethodAddress, a member of class TObject.
	MethodName	This is MethodName, a member of class TObject.
	MouseWheelHandler	Dispatches messages received from a mouse wheel.
	MoveSelection	Moves all selected items to another list control.
	NewInstance	Allocates memory for an instance of an object type and returns a pointer to that new instance.
	PaintTo	This is the overview for the PaintTo method overload.
	ParentToClient	Translate parent coordinates to client coordinates.
	Perform	Responds as if the control received a specified Windows message.
	PreProcessMessage	This is PreProcessMessage, a member of class TWinControl.
	QueryInterface	Returns a reference to a specified interface if the object supports that interface.
	Realign	Forces the control to realign children.
	ReferenceInterface	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
	Refresh	Repaints the control on the screen.
	RemoveComponent	Removes a specified component specified from the component's Components list.
	RemoveControl	Removes a specified control from the Controls array.
	RemoveFreeNotification	Disables destruction notification that was enabled by FreeNotification
	Repaint	Forces the control to repaint its image on the screen.
	Repaint	Repaints the entire control.
	ReplaceDockedControl	Docks the control in the place where another control is already docked.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	SafeCallException	Handles exceptions in methods declared using the safecall calling convention.
	ScaleBy	Rescale control and its children.
	ScreenToClient	Converts the screen coordinates of a specified point on the screen to client coordinates.
	ScrollBy	Scroll control contents.
	SelectAll	Selects all items or all text in the selected item.
	SelectAll	Selects the entire block of text in the edit box.
	SendToBack	Puts a windowed control behind all other windowed controls, or puts a non-windowed control behind all other non-windowed controls.
	SetBounds	Sets the Left, Top, Width, and Height properties all at once.
	SetBounds	Sets the windowed control's boundary properties all at once.
	SetDesignVisible	Makes a control visible at design time.
	SetDesignVisible	Makes a control visible at design time.
	SetFocus	Gives the input focus to the control.
	SetSubComponent	Identifies whether the component is a subcomponent.
	SetTextBuf	Sets the text of the control.
	Show	Makes a control visible.
	Update	Processes any pending paint messages immediately.
	Update	Forces the control to update.
	UpdateAction	This is UpdateAction, a member of class TComponent.
	UpdateControlState	Respond to state change.
	UseRightToLeftAlignment	Specifies whether the control's alignment should be reversed right-to-left.
	UseRightToLeftReading	Specifies whether the control is using a right-to-left reading order.
	UseRightToLeftScrollBar	Specifies whether the vertical scroll bar appears on the left side of the control.

Public Properties

	Name	Description
	Action	Designates the action associated with the control.
	Align	Determines how the control aligns within its container (parent control).
	AlignDisabled	Indicates child control realignment disabled.
	Anchors	Specifies how the control is anchored to its parent.
	AutoCloseUp	Specifies whether the drop-down closes up automatically when the user selects an item.
	AutoComplete	Positions to matching list items as you type.
	AutoCompleteDelay	Specifies the delay between a key press and an attempt to autocomplete the field.
	AutoDropDown	Specifies whether the drop-down list drops down automatically in response to user keystrokes.
	BiDiMode	Specifies the bi-directional mode for the control.
	BoundsRect	Specifies the bounding rectangle of the control, expressed in the coordinate system of the parent control.
	Brush	Determines the color and pattern used for painting the background of the control.
	Canvas	Provides access to the drawing surface of the combo box.
	CharCase	Determines the case of the text in the combo box.
	ClientHeight	Specifies the height of the control's client area in pixels.
	ClientOrigin	Specifies the screen coordinates (in pixels) of the top left corner of a control's client area.
	ClientRect	Specifies the size (in pixels) of a control's client area.
	ClientWidth	Specifies the horizontal size of the control's client area in pixels.
	ComObject	Specifies the interface reference implemented by the component.
	ComponentCount	Indicates the number of components owned by the component.
	ComponentIndex	Indicates the position of the component in its owner's Components property array.
	Components	Lists all components owned by the component.
	ComponentState	Describes the current state of the component, indicating when a component needs to avoid certain actions.
	ComponentStyle	Governs the behavior of the component.
	Constraints	Specifies the size constraints for the control.
	ControlCount	Returns the number of child controls.
	Controls	Lists all child controls.
	ControlState	Indicates the current state of a control at runtime.
	ControlStyle	Determines style characteristics of the control.
	DesignInfo	Contains information used by the Form designer.
	DockClientCount	Specifies the number of controls that are docked on the windowed control.
	DockClients	Lists the controls that are docked to the windowed control.
	DockManager	Specifies the control's docking manager interface.
	DockOrientation	Specifies how the control is docked relative to other controls docked in the same parent.
	DockSite	Specifies whether the control can be the target of drag-and-dock operations.
	DoubleBuffered	Determines whether the control's image is rendered directly to the window or painted to an in-memory bitmap first.
	DroppedDown	Indicates whether the drop-down list is currently displayed.
	Enabled	Controls whether the control responds to mouse, keyboard, and timer events.
	ExplicitHeight	Specifies the explicit vertical size of the control in pixels.
	ExplicitLeft	Specifies the explicit horizontal pixel coordinate of the left edge of a component relative to its parent.
	ExplicitTop	Specifies the explicit vertical pixel coordinate of the top edge of a component relative to its parent.
	ExplicitWidth	Specifies the explicit horizontal size of the control in pixels.
	Floating	Indicates whether the control is floating.
	FloatingDockSiteClass	Specifies the class of the temporary control that hosts the control when it is floating.
	Handle	Provides access to the underlying Windows screen object for the control.
	HostDockSite	Specifies the control in which the control is docked.
	ItemIndex	Specifies the index of the selected item.
	Items	Provides access to the list of items (strings) in the list portion of the combo box.
	LRDockWidth	Specifies the width of the control when it is docked horizontally.
	MouseInClient	This is MouseInClient, a member of class TWinControl.
	Owner	Indicates the component that is responsible for streaming and freeing this component.
	Padding	Specifies the padding of a control.
	Parent	Indicates the parent of the control.
	ParentWindow	Reference to parent's underlying control.
	SelLength	Specifies the length, in characters, of the selected text in the edit portion of the combo box.
	SelStart	Specifies the position of the first selected character in the edit portion of the combo box.
	SelText	Represents the selected text in the edit region.
	ShowHint	Determines whether the control displays a Help Hint when the mouse pointer rests momentarily on the control.
	Showing	Indicates whether the control is showing on the screen.
	TabOrder	Indicates the position of the control in its parent's tab order.
	TabStop	Determines if the user can tab to a control.
	TabStop	Determines if the user can tab to a control.
	TBDockHeight	Specifies the height of the control when it is docked vertically.
	UndockHeight	Specifies the height of the control when it is floating.
	UndockWidth	Specifies the width of the control when it is floating.
	UseDockManager	Specifies whether the docking manager is used in drag-and-dock operations.
	VCLComObject	Represents information used internally by components that support COM.
	Visible	Determines whether the component appears onscreen.
	VisibleDockClientCount	Specifies the number of visible controls that are docked on the windowed control.

Published Properties

	Name	Description
	AlignWithMargins	Indicates whether a control should be constrained by margins.
	Cursor	Specifies the image used to represent the mouse pointer when it passes into the region covered by the control.
	Height	Specifies the vertical size of the control in pixels.
	HelpContext	Numeric ID for control's context-sensitive help topic
	HelpKeyword	Keyword for control's context-sensitive help topic
	HelpType	Indicates whether the control's context sensitive help topic is identified by context ID or by keyword.
	Hint	Contains the text string that can appear when the user moves the mouse over the control.
	Left	Specifies the horizontal coordinate of the left edge of a component relative to its parent.
	Margins	Specifies the margins for the control.
	Name	Specifies the name of the component as referenced in code.
	Tag	Stores an integer value as part of a component.
	Top	Specifies the Y coordinate of the top left corner of a control, relative to its parent or containing control in pixels.
	Width	Specifies the horizontal size of the control or form in pixels.

What do you think about this topic? Send feedback!