TWinControl Methods

The methods of the TWinControl class are listed here.

	Name	Description
	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.
	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	Aligns the given control with the specified alignment options.
	AssignTo	Copies the properties of the windowed control to another object.
	CanAutoSize	Indicates how the control can be resized.
	CanResize	Indicates how the control can respond to a resize attempt.
	ChangeScale	Resize and reposition children and self.
	ConstrainedResize	Generates an OnConstrainedResize event.
	ControlsAligned	ControlsAligned automatically executes after a call to AlignControls.
	CreateDockManager	Creates the dock manager for the control.
	CreateHandle	Creates underlying screen object.
	CreateParams	Initializes a window-creation parameter data structure.
	CreateSubClass	Creates a windowed control derived from an existing Windows window class.
	CreateWindowHandle	Creates a Windows control to represent the control.
	CreateWnd	Creates the underlying window.
	CustomAlignInsertBefore	Returns placement order of custom-aligned child control.
	CustomAlignPosition	Returns aligned position of custom-aligned child control.
	DefineProperties	Provides methods to read and write the IsControl property to a stream such as a form file.
	DestroyHandle	Destroys the control's window without destroying the control.
	DestroyWindowHandle	Destroys the window created in the CreateWindowHandle method.
	DestroyWnd	Destroys the control's window.
	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	Invalidates the first dock site in the list of child controls.
	DoDockOver	Generates an OnDockOver event.
	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.
	DoRemoveDockClient	Responds when a control is undocked from the windowed control.
	DoUnDock	Undocks a control that is currently docked to the windowed 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.
	GetActionLinkClass	Returns the associated action link class.
	GetClientOrigin	Returns the value of the ClientOrigin property.
	GetClientRect	Returns the value of the ClientRect property.
	GetControlExtents	Returns the smallest rectangle in which all the control's children fit.
	GetDeviceContext	Provides access to a device context for the control.
	GetParentHandle	Returns the window handle for the window of the control's parent.
	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.
	InvalidateDockHostSite	Invalidates the first dock site that appears in the list of child controls.
	IsControlActivateMsg	Indicates whether a specified mouse activation message is directed to the given child control.
	IsControlMouseMsg	Indicates whether a specified mouse message is directed to one of the windowed control's child controls.
	IsQualifyingSite	Checks whether the control is docked inside another control or has at least two docked controls.
	KeyDown	Respond to key press events.
	KeyPress	Respond to keyboard input.
	KeyUp	Respond to released key.
	MainWndProc	Receives Windows messages for the control.
	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 and the palette for each child control.
	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	Removes the ControlAtom and WindowAtom properties of the control.
	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.
	ScaleControls	Rescale child controls only.
	ScalePadding	Scales the control padding to the given ratio.
	SelectFirst	Locates first selectable child control.
	SelectNext	Moves the input focus from the current child control to the next one in the tab order.
	SetChildOrder	Changes the order in which the child component appears in the list of child components returned by the GetChildren method.
	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.
	SetParent	Sets the parent of the control.
	SetParentBackground	Sets the ParentBackground property.
	SetParentDoubleBuffered	Sets the ParentBackground property.
	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	Updates the bounds of the control.
	UpdateControlOriginalParentSize	Updates the original size of the parent control.
	UpdateRecreatingFlag	Toggles the csRecreating flag in the ControlState property.
	UpdateUIState	Updates form User Interface State as needed
	WndProc	Provides specific message responses for the control.

Public Methods

	Name	Description
	Broadcast	Sends a message to each of the child controls.
	CanFocus	Indicates whether a control can receive focus.
	ContainsControl	Indicates whether a specified control exists within the control.
	ControlAtPos	Returns the child control located at a specified position within the control.
	CreateParentedControl	Creates and initializes a control as the child of a specified non-VCL window.
	DefaultHandler	Provides message handling for all messages that the control does not fully process itself.
	DisableAlign	Disables the realignment of child controls.
	DockDrop	Generates an OnDockDrop event.
	EnableAlign	Decrements the reference count incremented by the DisableAlign method, eventually realigning the child controls.
	FindChildControl	Returns a child control given its name.
	FlipChildren	Reverses the positions of child controls.
	Focused	Determines whether the control has input focus.
	GetChildren	Calls a specified method for each child of the control.
	GetTabOrderList	Builds a list of controls in tab order.
	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.
	InsertControl	Inserts a control into the Controls array property.
	Invalidate	Schedules a control repaint.
	PaintTo	This is the overview for the PaintTo method overload.
	PreProcessMessage	Returns False, no matter the value of Msg.
	Realign	Forces the control to realign children.
	RemoveControl	Removes a specified control from the Controls array.
	Repaint	Repaints the entire control.
	ScaleBy	Rescale control and its children.
	ScrollBy	Scroll control contents.
	SetBounds	Sets the windowed control's boundary properties all at once.
	SetDesignVisible	Makes a control visible at design time.
	SetFocus	Gives the input focus to the control.
	Update	Forces the control to update.
	UpdateControlState	Respond to state change.

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