TPaintBox Members Protected Methods

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.
	AdjustSize	Sets the size of the control as determined by the AutoSize property.
	AssignTo	Copies the properties of an object to a destination object.
	AssignTo	Overrides the inherited AssignTo function to enable assignments to TAction objects.
	BeginAutoDrag	Begin Automatic Drag.
	CalcCursorPos	Gives the coordinates of the cursor, with respect to the origin of the control.
	CanAutoSize	Indicates whether the control can resize itself automatically to accommodate its contents.
	CanResize	OnCanResize event dispatcher.
	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.
	Click	Respond to user click.
	ConstrainedResize	Notify control of resize with constraints.
	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	DefineProperties	Designates methods for storing an object's unpublished data on a stream such as a form file.
	DefineProperties	Provides an interface for a method that reads and writes otherwise unpublished data.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.
	DesignWndProc	Processes the given message and returns some Boolean information based on the message's content.
	DockTrackNoTarget	Handles dragging of the control over an invalid docking target.
	DoContextPopup	OnContextPopup event dispatcher.
	DoDock	Docking event dispatcher.
	DoEndDock	OnEndDock event dispatcher.
	DoEndDrag	OnEndDrag event dispatcher.
	DoMouseWheel	Processes mouse wheel motion.
	DoMouseWheelDown	OnMouseWheelDown event dispatcher.
	DoMouseWheelUp	OnMouseWheelUp event dispatcher.
	DoStartDock	OnStartDock event dispatcher.
	DoStartDrag	OnStartDrag event dispatcher.
	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.
	EraseDragDockImage	Erases the dock image for the control.
	GetAction	Returns the value of the Action property.
	GetActionLinkClass	Returns the appropriate action link class that is associated with the control 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	Enumerates all child components.
	GetClientOrigin	Returns the screen coordinates of the top-left corner of the control's client area.
	GetClientRect	Returns a rectangle defining the client area of the control.
	GetDeviceContext	Returns 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.
	GetDragMode	Returns the value of the DragMode 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).
	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.
	GetPopupMenu	Returns the pop-up menu associated with the 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).
	Invoke	Provides access to Automation properties and methods when the component wraps an Automation object.
	Loaded	Initializes the component after the form file has been read into memory.
	Loaded	Initializes the control after it is loaded from a stream.
	MouseActivate	Triggers a TMouseActivateEvent event.
	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.
	Paint	Generates an OnPaint event.
	PaletteChanged	Responds to changes in the system's palette by realizing the control's palette.
	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	Reads the state of the component.
	ReadState	Prepares the control for having its properties assigned values read from a stream.
	RequestAlign	Instructs the parent of a control to reposition the control, enforcing its Align property.
	Resize	Respond to control resize.
	ScaleConstraints	Scales the values of the Constraints property to the given ratio.
	ScaleMargins	Scales the values of the Margins property to the given ratio.
	SendCancelMode	Cancels the modal state of the control.
	SendDockNotification	Sends a Windows message to the control's host dock site.
	SetAncestor	Clears or sets csAncestor state in the component's ComponentState property.
	SetAutoSize	Sets the value of the AutoSize property.
	SetBiDiMode	Sets the control's bi-directional mode.
	SetChildOrder	Sets the visual ordering of a child control.
	SetCustomHint	Sets the value of the CustomHint property.
	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.
	SetEnabled	Sets the value of the Enabled property.
	SetInline	Sets the csInline bit of the component's ComponentState property
	SetName	Sets the value of the Name property.
	SetName	Sets the name of the control.
	SetParent	Sets the parent of the control.
	SetParentBiDiMode	Specifies whether the control uses its parent's BiDiMode.
	SetParentComponent	Sets the parent component.
	SetZOrder	Repositions the control in its parent's control list, thereby changing position onscreen.
	UpdateBoundsRect	Changes the Top, Left, Width, and Height properties of the control, but doesn't update its screen image and bypasses all resize events.
	Updated	Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
	UpdateExplicitBounds	Attempts to update the values of the explicit bounds of the control to those of its current bounds.
	UpdateRegistry	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
	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	Provides specific message responses for the control.
	WriteState	Writes the state of the component.