Vcl.Controls.TCustomTransparentControl Methods
From RAD Studio API Documentation
InheritedProtected
_AddRef protected Called when an application uses a component interface.
_Release protected Called when an application releases a component interface.
ActionChange protected Updates the control to reflect changes in its associated action.
AddBiDiModeExStyle protected Sets control's window style according to its bi-directional support.
AdjustClientRect protected Provides the interface that adjusts the ClientRect property for idiosyncrasies of the window.
AdjustSize protected Adjusts the control's size according to its contents and constraints.
AfterConstruction public Responds after the last constructor has executed.
AlignControls protected Aligns any controls for which the control is the parent within a specified area of the control.
ArrangeControl protected Aligns the given control with the specified alignment options.
Assign public Copies the contents of another similar object.
AssignTo protected Copies the properties of the windowed control to another object.
AsyncSchedule protected
BeforeDestruction public Performs any necessary actions before the first destructor is called.
BeginAutoDrag protected Begins automatic drag.
BeginDrag public Starts the dragging of a control.
BringToFront public Puts the control in front of all other controls in its parent control.
Broadcast public Sends a message to each of the child controls.
CalcCursorPos protected Gives the coordinates of the cursor, with respect to the origin of the control.
CanAutoSize protected Indicates how the control can be resized.
CanFocus public Indicates whether a control can receive focus.
CanObserve protected
CanResize protected Indicates how the control can respond to a resize attempt.
Changed protected Sends a CM_CHANGED message to the control.
ChangeName protected Sets the private, internal storage for the Name property to the string passed in
NewName. ChangeScale protected Resize and reposition children and self.
CheckDisposed protected
ClassInfo public Returns a pointer to the run-time type information (RTTI) table for the object type.
ClassName public Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
ClassNameIs public Determines whether an object is of a specific type.
ClassParent public Returns the type of the immediate ancestor of a class.
ClassType public Returns the class reference for the object's class.
CleanupInstance public Performs finalization on long strings, variants, and interface variables within a class.
Click protected Respond to user click.
ClientToParent public Translates client coordinates to parent coordinates.
ClientToScreen public Translates a given point from client area coordinates to global screen coordinates.
ConstrainedResize protected Generates an OnConstrainedResize event.
ContainsControl public Indicates whether a specified control exists within the control.
ControlAtPos public Returns the child control located at a specified position within the control.
Create public
CreateDockManager protected Creates the dock manager for the control.
CreateHandle protected Creates underlying screen object.
CreateParams protected
CreateParented public Creates and initializes a control as the child of a specified non-VCL container.
CreateParentedControl public Creates and initializes a control as the child of a specified non-VCL window.
CreateSubClass protected Creates a windowed control derived from an existing Windows window class.
CreateTouchManager protected Instantiates a touch manager.
CreateWindowHandle protected Creates a Windows control to represent the control.
CreateWnd protected Creates the underlying window.
CustomAlignInsertBefore protected Returns placement order of custom-aligned child control.
CustomAlignPosition protected Returns aligned position of custom-aligned child control.
DblClick protected OnDblClick event dispatcher.
DefaultDockImage protected Handles the painting and erasing of a dock image.
DefaultHandler public Provides message handling for all messages that the control does not fully process by itself.
DefaultScalingFlags protected
DefineProperties protected
DesignWndProc protected Processes the given message and returns some Boolean information based on the message's content.
Destroy public
DestroyComponents public Destroys all owned components.
DestroyHandle protected Destroys the control's window without destroying the control.
Destroying public Indicates that the component and its owned components are about to be destroyed.
DestroyWindowHandle protected Destroys the window created in the CreateWindowHandle method.
DestroyWnd protected Destroys the control's window.
DisableAlign public Disables the realignment of child controls.
Dispatch public Calls message-handling methods for the object, based on the contents of the Message parameter.
DoAddDockClient protected Performs actions when a control is docked to the windowed control.
Dock public Used internally to dock the control.
DockDrop public Generates an OnDockDrop event.
DockOver protected Responds when a docking client is dragged over the windowed control.
DockReplaceDockClient protected Invalidates the first dock site in the list of child controls.
DockTrackNoTarget protected Handles dragging of the control over an invalid docking target.
DoContextPopup protected Is an OnContextPopup event dispatcher.
DoDock protected Docking event dispatcher.
DoDockOver protected Generates an OnDockOver event.
DoEnter protected Respond to receiving input focus.
DoExit protected Responds to losing input focus.
DoFlipChildren protected Flips the control's children.
DoGesture protected Processes the unhandled gesturing events.
DoGetGestureOptions protected Returns the interactive gestures and their options.
DoHandleStyleMessage protected
DoKeyPress protected Performs some preprocessing before generating an OnKeyPress event.
DoMouseWheel protected Processes mouse wheel motion.
DoMouseWheelDown protected Is an OnMouseWheelDown event dispatcher.
DoMouseWheelUp protected Is an OnMouseWheelUp event dispatcher.
DoRemoveDockClient protected Responds when a control is undocked from the windowed control.
DoStartDock protected Is an OnStartDockevent dispatcher.
DoStartDrag protected Is an OnStartDrag event dispatcher.
DoUnDock protected Undocks a control that is currently docked to the windowed control.
DragCanceled protected Provides the interface for a method that responds to the cancellation of a drag.
DragDrop public Is an OnDragDrop event dispatcher.
Dragging public Indicates whether a control is being dragged.
DragOver protected Is an OnDragOver event dispatcher.
DrawDragDockImage protected Draws the dock image for the control.
DrawTextBiDiModeFlags public Returns the text flags that reflect the current setting of the BiDiMode property.
DrawTextBiDiModeFlagsReadingOnly public Returns the text flag to add that indicates whether the control's text should read from right to left.
EnableAlign public Decrements the reference count incremented by the DisableAlign method, eventually realigning the child controls.
EndDrag public Stops a control from being dragged any further.
EndFunctionInvoke public Blocks the caller until the specified
ASyncResult completes. EndInvoke public Blocks the caller until the specified
ASyncResult completes. Equals public Checks whether the current instance and the Obj parameter are equal.
EraseDragDockImage protected Erases the dock image for the control.
ExecuteAction public Executes an action.
FieldAddress public Returns the address of a published object field.
FindChildControl public Returns a child control given its name.
FindComponent public Indicates whether a given component is owned by the component.
FindNextControl protected Returns the control's next child in the tab order after the specified control.
FixupTabList protected Sorts the child controls by their tab order.
FlipChildren public Reverses the positions of child controls.
Focused public Determines whether the control has input focus.
Free public Destroys an object and frees its associated memory, if necessary.
FreeInstance public Deallocates memory allocated by a previous call to the NewInstance method.
FreeNotification public Ensures that
AComponent is notified that the component is going to be destroyed. FreeOnRelease public Frees the interface reference for components that were created from COM classes.
GetActionLinkClass protected Returns the associated action link class.
GetChildOwner protected Returns the owner of a child component being read from a stream.
GetChildParent protected Returns the parent or, if there is no parent, returns the owner of a child component being read from a stream.
GetChildren public Calls a specified method for each child of the control.
GetClientOrigin protected Returns the value of the ClientOrigin property.
GetClientRect protected Returns the value of the ClientRect property.
GetControlExtents protected Returns the smallest rectangle in which all the control's children fit.
GetControlsAlignment public Indicates how text is aligned within the control.
GetCurrentPPIScreen protected
GetDeltaStreams protected
GetDesignDpi protected
GetDeviceContext protected Provides access to a device context for the control.
GetDisposed protected Getter for the Disposed property.
GetDockEdge protected Returns the edge on which another control should be docked when it is dragged over the control.
GetDragImages protected Returns the control's image list containing the image to be displayed while dragging.
GetDragMode protected Returns the value of the DragMode property.
GetEnabled protected Returns the value of the Enabled property.
GetEnumerator public Returns a TComponent enumerator.
GetFloating protected Returns the value of the Floating property.
GetFloatingDockSiteClass protected Returns the class used for the control when it is floating.
GetHashCode public Returns an integer containing the hash code.
GetIDsOfNames protected Maps a single member and an optional set of argument names to a corresponding set of integer dispatch identifiers (dispIDs).
GetInterface public Retrieves a specified interface.
GetInterfaceEntry public Returns the entry for a specific interface implemented in a class.
GetInterfaceTable public Returns a pointer to a structure containing all of the interfaces implemented by a given class.
GetNamePath public Returns a string used by the Object Inspector.
GetObservers protected Getter of Observers.
GetOwner protected Returns the owner of a component.
GetPalette protected Returns the handle to a palette for use by the control.
GetParentComponent public Returns the parent of the control.
GetParentCurrentDpi protected
GetParentHandle protected Returns the window handle for the window of the control's parent.
GetPopupMenu protected Returns the pop-up menu associated with the control.
GetSiteInfo protected Generates an OnGetSiteInfo event.
GetTabControlList public Builds a list of owned controls.
GetTabOrderList public Builds a list of controls in tab order.
GetTextBuf public Retrieves the control's text, copies it into a buffer, and returns the number of characters copied.
GetTextLen public Returns the length of the control's text.
GetTopParentHandle protected Returns the window handle of the first window not associated with a VCL control that contains the windowed control.
GetTypeInfo protected Retrieves the type information for an object.
GetTypeInfoCount protected Returns the number of type information interfaces that an object provides (either 0 or 1).
HandleAllocated public Reports whether a screen object handle exists for the control.
HandleNeeded public Creates a screen object for the control if it doesn't already exist.
HasParent public Indicates whether the control has a parent.
Hide public Makes the control invisible.
InheritsFrom public Determines the relationship of two object types.
InitiateAction public Calls the action link's Update method if the control is associated with an action link.
InitInstance public Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer.
InsertComponent public Establishes the component as the owner of a specified component.
InsertControl public Inserts a control into the Controls array property.
InstanceSize public Returns the size in bytes of each instance of the object type.
Invalidate public
InvalidateControlsUnderneath protected Repaints the controls added before the transparent control was added.
InvalidateDockHostSite protected Invalidates the first dock site that appears in the list of child controls.
Invoke protected Provides access to Automation properties and methods when the component wraps an Automation object.
InvokeAsyncCalls protected Processes pending asynchronous method calls listed in FAsyncList.
IsControlActivateMsg protected Indicates whether a specified mouse activation message is directed to the given child control.
IsControlMouseMsg protected Indicates whether a specified mouse message is directed to one of the windowed control's child controls.
IsImplementorOf public Indicates whether the component implements a specified interface.
IsQualifyingSite protected Checks whether the control is docked inside another control or has at least two docked controls.
IsRightToLeft public Indicates whether the control should be reversed right to left.
IsTouchPropertyStored protected Checks whether the associated touch manager stored any of the given options.
KeyDown protected Responds to key press events.
KeyPress protected Responds to keyboard input.
KeyUp protected Respond to released key.
Loaded protected Initializes the control after it is loaded from a stream.
MainWndProc protected Receives Windows messages for the control.
ManualDock public Docks the control.
ManualFloat public Undocks the control.
MethodAddress public Returns the address of a class method by name.
MethodName public Returns the name of a class method by address.
MouseActivate protected Triggers a TMouseActivateEvent event.
MouseDown protected OnMouseDown event dispatcher.
MouseMove protected Responds to mouse moving over control area.
MouseWheelHandler public Dispatches messages received from a mouse wheel.
NewInstance public Allocates memory for an instance of an object type and returns a pointer to that new instance.
Notification protected
NotifyControls protected Sends a message to all the child controls.
ObserverAdded protected
operator () public C++ conversion of a TComponent into a System.Classes.IInterfaceComponentReference or a System.IInterface, depending on casting.
Paint protected Renders the image of a custom control.
PaintControls protected Paints each of the child controls in a windowed control using the specified device context.
PaintHandler protected Responds to WM_PAINT messages.
PaintTo public Draws the windowed control to a device context.
PaintWindow protected Renders the image of the control on a specified device context.
PaletteChanged protected Responds to changes in the system's palette by realizing the control's palette and the palette for each child control.
PaletteCreated protected Responds when the component is created from the component palette.
ParentToClient public Translate parent coordinates to client coordinates.
Perform public Responds as if the control received a specified Windows message.
PositionDockRect protected Positions the docking rectangle according to the current drag-and-dock state.
PreProcessMessage public Returns False, no matter the value of Msg.
QualifiedClassName public Returns the qualified name of the class.
QueryInterface protected Returns a reference to a specified interface if the current component supports that interface.
ReadState protected Prepares the control for having its properties assigned values from a stream.
Realign public Forces the control to realign children.
RecreateWnd protected Recreate underlying Windows screen object.
ReferenceInterface public Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
Refresh public Repaints the control on the screen.
ReloadDockedControl protected Reloads a docked control.
RemoveComponent public Removes a specified component specified from the component's Components list.
RemoveControl public Removes a specified control from the Controls array.
RemoveFreeNotification public Disables the destruction notification that was enabled by FreeNotification.
RemoveFreeNotifications protected Notifies all owned components of the owner component's imminent destruction.
ReplaceDockedControl public Docks the control in the place where another control is already docked.
RequestAlign protected
ResetIme protected Restores the input method editor (IME) that was active when the application started.
ResetImeComposition protected Directs the composition window of the input method editor (IME) to perform a specific action.
Resize protected Respond to control resize.
SafeCallException public Handles exceptions in methods declared using the safecall calling convention.
ScaleBy public Rescale control and its children.
ScaleConstraints protected Scales the values of the Constraints property to the given ratio.
ScaleControls protected Rescale child controls only.
ScaleControlsForDpi protected
ScaleForPPI public
ScaleMargins protected Scales the values of the Margins property to the given ratio.
ScalePadding protected Scales the control padding to the given ratio.
ScreenToClient public Converts the screen coordinates of a specified point on the screen to client coordinates.
ScrollBy public Scroll control contents.
SelectFirst protected Locates first selectable child control.
SelectNext protected Moves the input focus from the current child control to the next one in the tab order.
SendCancelMode protected Cancels the modal state of the control.
SendDockNotification protected Sends a Windows message to the control's host dock site.
SendToBack public Puts a windowed control behind all other windowed controls, or puts a non-windowed control behind all other non-windowed controls.
SetAncestor protected Clears or sets csAncestor state in the component's ComponentState property.
SetAutoSize protected Sets the value of the AutoSize property.
SetBiDiMode protected Sets the control's bidirectional mode.
SetBounds public Sets the windowed control's boundary properties all at once.
SetChildOrder protected Changes the order in which the child component appears in the list of child components returned by the GetChildren method.
SetCustomHint protected Sets the value of the CustomHint property.
SetDesigning protected Ensures that components inserted at design time have their design-mode flag set.
SetDesignInstance protected Ensures that components inserted at design time have their design-mode flag set.
SetDesignVisible public
SetDragMode protected Sets the drag mode for the control.
SetEnabled protected Sets the value of the Enabled property.
SetFocus public Gives the input focus to the control.
SetIme protected Activates an input method editor (IME) using the values specified by the ImeMode and ImeName properties.
SetImeCompositionWindow protected Sets the position and font of the composition window.
SetInline protected Sets the csInline bit of the component's ComponentState property.
SetName protected Sets the name of the control.
SetParent protected
SetParentBackground protected Sets the ParentBackground property.
SetParentBiDiMode protected Specifies whether the control uses its parent's BiDiMode.
SetParentComponent public Sets the parent for the control.
SetParentDoubleBuffered protected Sets the ParentBackground property.
SetStyleElements protected
SetSubComponent public Identifies whether the component is a subcomponent.
SetTextBuf public Sets the text of the control.
SetZOrder protected Moves the control to the top or bottom of the parent control's (or screen's) list of TWinControl controls.
Show public Makes a control visible.
ShowControl protected Ensures that a specified child control is visible.
ToString public Returns a string containing the class name.
UnitName public Returns the name of the unit where the class is defined.
UnitScope public Returns the class's unit scope.
Update public Forces the control to update.
UpdateAction public Updates the state of an action.
UpdateBounds protected Updates the bounds of the control.
UpdateBoundsRect protected Changes the Top, Left, Width, and Height properties of the control, but does not update its screen image and bypasses all resize events.
UpdateControlOriginalParentSize protected Updates the original size of the parent control.
UpdateControlState public Respond to state change.
Updated protected Clears the csUpdating state in the component's ComponentState property when the component finishes updating.
UpdateExplicitBounds protected Attempts to update the values of the control's explicit bounds to those of its current bounds.
UpdateRegistry protected Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
UpdateStyleElements protected
UpdateTIPStatus protected
UpdateUIState protected Updates form User Interface State as needed
UseRightToLeftAlignment public Specifies whether the control's alignment should be reversed right-to-left.
UseRightToLeftReading public Specifies whether the control is using a right-to-left reading order.
UseRightToLeftScrollBar public Specifies whether the vertical scroll bar appears on the left side of the control.
ValidateContainer protected Determines whether an object can be inserted into a container.
ValidateInsert protected Provides the interface for a method that validates a child component before it is inserted.
ValidateRename protected Ensures that renaming an owned component does not create a name conflict.
VisibleChanging protected Provides the interface for a method that responds to changes in the control's visibility.
WMNCHitTest protected Called automatically when the control receives a WM_NCHITTEST message.
WndProc protected Provides specific message responses for the control.
WriteState protected Writes the state of the component.