FMX.ListBox.TComboListBox Methods

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InheritedProtected

_AddRef	protected	Called when an application uses a component interface.
_Release	protected	Called when an application releases a component interface.
AbsoluteToLocal	public	Translates coordinated of the specified Point from an global perspective to a local coordinates of this control.
AbsoluteToLocalVector	public	Transforms and returns a specified vector from the absolute perspective to the local perspective.
ActionChange	protected	Specifies the behavior of a TControl control when Action changes.
AddFreeNotify	public	Adds AObject to the list of objects to be notified when this TFmxObject is destroyed.
AddObject	public	Adds the AObject object to the Children list of children attached to this parent object (self).
AddObjectsToList	public	Adds the children of this object to the given list.
AddToResourcePool	protected
AdjustFixedSize	protected	Sets the fixed size of the control.
AdjustSize	protected	Sets the size of the control.
AfterConstruction	public	Responds after the last constructor has executed.
AfterDialogKey	protected
AfterPaint	protected
AncestorParentChanged	protected	Notifies its child controls that the parent of an ancestor of your control has changed.
AncestorVisibleChanged	protected	Notifies its child controls that the visibility of an ancestor of your control has changed to Visible.
AnimateColor (deprecated)	public	Creates a TColorAnimation for this object (self).
AnimateFloat (deprecated)	public	Creates and runs a TFloatAnimation for this object (self).
AnimateFloatDelay (deprecated)	public	Creates a TFloatAnimation for this object (self).
AnimateFloatWait (deprecated)	public	Creates a TFloatAnimation for this object (self) and does not return until the animation is finished.
AnimateInt (deprecated)	public	Creates and runs a TIntAnimation for this object (self).
AnimateIntWait (deprecated)	public	Creates a TIntAnimation for this object (self) and does not return until the animation is finished.
AniMouseDown	protected
AniMouseMove	protected
AniMouseUp	protected
ApplyEffect	protected	Applies effects to the control, if specified.
ApplyStyle	protected
ApplyStyleLookup	public	Gets and applies the style of a TStyledControl.
ApplyTriggerEffect	public	Applies the specified mouse trigger effect to all the children of this FMX object that are of type TEffect.
Assign	public	Assigns the Source object to the current object.
AssignTo	protected	Copies the properties of an object to a destination object.
AsyncSchedule	protected	Schedules asynch method calls.
BeforeDestruction	public	Performs any necessary actions before the first destructor is called.
BeforeEffectEnabledChanged	protected	Executed right before the value of the Enabled property of an effect changes, and provides the value of the property before it changes.
BeginAutoDrag	protected	Begins the drag operation automatically.
BeginInvoke	public	Performs an asynchronous call to the method specified by either AProc or AFunc.
BeginUpdate	public	Marks the start of an update session of the control and its children.
BringChildToFront	public
BringToFront	public	Brings this FMX visual object on top of other overlapping visual controls that are on the same form.
BroadcastGesture	protected
CanObserve	protected
CanRepaint	protected
CanShowHint	protected
Capture	protected	Saves the control that currently captures all the mouse messages.
Center	public	Scrolls to the center of the TScrollBox control.
ChangeChildren	protected
ChangeName	protected	Sets the private, internal storage for the Name property to the string passed in NewName.
ChangeOrder	protected
CheckDisposed	protected	This method is deprecated.
CheckForAllowFocus	protected	Verifies whether the current control can receive focus.
CheckHitTest	protected
ChildrenAlignChanged	protected	Executed when the alignment of the children of the control changes.
ChooseAdjustType	protected	Returns an adjust type based on the provided FixedSize.
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.
Clear	public	Deletes all the items from the list.
ClearSelection	public	Deselects all the selected items from the list box.
Click	protected	Responds to user clicks, key pressing, and input on touch devices (gestures).
ClientHeight	public	specifies the height of the component’s content (in dp).
ClientWidth	public	specifies the width of the component’s content (in dp).
ClipChildrenChanged	protected	Executed right after the value of the ClipChildren property changes.
Clone	public	Returns a new cloned instance of this FMX object.
CMGesture	protected
CompareItems	protected	Compares the given items.
ContainsObject	public	Returns True if the specified object is a direct child.
ContentAddObject	protected
ContentBeforeRemoveObject	protected
ContentChanged	protected
ContentInsertObject	protected
ContentRect	protected	Returns the rectangle that defines the scrolling area.
ContentRemoveObject	protected
ConvertLocalPointFrom	public
ConvertLocalPointTo	public
Create	public
CreateAniCalculations	protected	Constructs a TScrollCalculations type object in which you can set properties and calculate parameters of the inertial scrolling.
CreateChildrenList	protected
CreateScrollContent	protected
DblClick	protected	Responds to user double-clicks.
DefaultHandler	public	Provides the interface for a method that processes message records.
DefineProperties	protected
DeleteChildren	public	Deletes all the children of this FMX object.
Destroy	public
DestroyComponents	public	Destroys all owned components.
Destroying	public	Indicates that the component and its owned components are about to be destroyed.
DialogKey	protected	Processes a dialog key.
Disappear	protected
Dispatch	public	Calls message-handling methods for the object, based on the contents of the Message parameter.
DispatchStringsChangeEvent	protected
DisposeOf	public	DisposeOf forces the execution of the destructor code in an object.
DoAbsoluteChanged	protected
DoActionChange	protected	TBasicAction.OnChange event dispatcher.
DoActionClientChanged	protected
DoActivate	protected
DoAddObject	protected
DoApplyStyleLookup	protected	Executed internally each time ApplyStyleLookup is called for this TStyledControl object.
DoBeginUpdate	protected
DoCalcContentBounds	protected
DoChange	protected
DoChangeCheck	protected	Generates an OnChangeCheck event.
DoContentPaint	protected	Executes internally to render the content of the list box.
DoDeactivate	protected	Dispatcher of the OnDeactivate event.
DoDeleteChildren	protected
DoEndUpdate	protected
DoEnter	protected
DoExit	protected
DoGesture	protected	Processes the unhandled gesturing events.
DoGetUpdateRect	protected
DoInsertObject	protected
DoMatrixChanged	protected
DoMouseEnter	protected	OnMouseEnter event dispatcher.
DoMouseLeave	protected
DoPaint	protected	Processes the painting of the control.
DoRealign	protected
DoRealignContent	protected	Changes the bounding rectangle of the content of the control to the specified rectangle, and realigns its child controls accordingly.
DoRemoveObject	protected
DoResized	protected
DoRootChanged	protected
DoRootChanging	protected
DoSetHeight (deprecated)	protected
DoSetSize	protected
DoSetWidth (deprecated)	protected
DoStyleChanged	protected	Indicates that the control needs to update the style and calls Repaint.
DoUpdateAniCalculations	protected	Sets the default inertial scrolling properties for the current platform.
DragChange	public	Generates an OnDragChange event.
DragDrop	protected
DragEnd	protected	OnDragEnd event dispatcher.
DragEnter	protected	OnDragEnter event dispatcher.
DragLeave	protected	OnDragLeave event dispatcher.
DragOver	protected
DrawDesignBorder	protected
EffectEnabledChanged	protected	Executed right after the value of the Enabled property of an effect changes, and provides the new value of the property.
EnabledChanged	protected	Executed right after the value of the Enabled property changes.
EnabledStored	protected
EndFunctionInvoke	public	Blocks the caller until the specified ASyncResult completes.
EndInvoke	public	Blocks the caller until the specified ASyncResult completes.
EndUpdate	public	Marks the end of an update session of the control and its children.
EndUpdateNoChanges	protected
EnterChildren	protected	Checks whether the input is taken by the control or by its parent.
EnumControls (deprecated)	public	Loops through the controls that are children of this control, and runs the specified procedure once per control, with a different control as the first parameter in each call.
EnumObjects	public	Loops through the children of this object, and runs the specified procedure once per object as the first parameter in each call.
Equals	public	Checks whether the current instance and the Obj parameter are equal.
Exchange	public	Exchanges two objects from the children list.
ExecuteAction	public	Executes an action.
ExitChildren	protected
FieldAddress	public	Returns the address of a published object field.
FillTextFlags	protected	Returns the filling direction of the control's text.
FindAndCloneStyleResource	public	Finds the specified resource object and makes a copy.
FindComponent	public	Indicates whether a given component is owned by the component.
FindStyleResource	public	Finds the linked resource object for the style specified by name.
FindTarget	protected	Returns the target control.
FirstSelectedItemFrom	public
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	protected
FreeOnRelease	public	Frees the interface reference for components that were created from COM classes.
FreeStyle	protected
GenerateStyleName	protected	Generates a style lookup name based on the provided AClassName.
GetAbsoluteEnabled	protected	Getter function for the AbsoluteEnabled property.
GetAbsoluteMatrix	protected	Getter function for the AbsoluteMatrix property.
GetAbsoluteOpacity	protected	Getter function for the AbsoluteOpacity property.
GetAbsoluteRect	protected	Getter function for the AbsoluteRect property.
GetAbsoluteScale	protected	Getter function for the AbsoluteScale property.
GetAcceptsControls	protected	Getter function for the AcceptsControls property.
GetActionLinkClass	protected
GetAdjustSizeValue	protected
GetAdjustType	protected
GetAlign	protected	Getter function for the Align property.
GetAllowAlign	protected	Getter function for the AllowAlign property.
GetAnchorMove	protected	Getter function for the AnchorMove property.
GetAnchorOrigin	protected	Getter function for the AnchorOrigin property.
GetAnchorRules	protected	Getter function for the AnchorRules property.
GetAnchors	protected	Getter function for the Anchors property.
GetBackIndex	protected	Gets the index of TStyledControl.
GetBorderHeight	protected
GetBoundsRect	protected	Getter function for the BoundsRect property.
GetCanFocus	protected
GetCanParentFocus	protected
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	protected
GetChildrenMatrix	protected	Returns the children transformation matrix.
GetChildrenRect	protected	Getter function for the ChildrenRect property.
GetClipRect	protected	Getter function for the ClipRect property.
GetContainerHeight	protected	Getter function for the ContainerHeight property.
GetContainerWidth	protected	Getter function for the ContainerWidth property.
GetContentBounds	protected	Returns the boundaries of the rectangle that defines the scrolling area.
GetControls	protected
GetData	protected	Gets the text of the selected item.
GetDefaultSize	protected
GetDefaultStyleLookupName	protected
GetDefaultTouchTargetExpansion	protected
GetDeltaStreams	protected
GetDesignInteractive	protected	Getter function for the DesignInteractive property.
GetDisposed	protected	Getter for the Disposed property.
GetDragMode	protected	Getter function for the DragMode property.
GetEffectsRect	protected	Returns the rectangle occupied by the effects applied over the control.
GetEnumerator	public	Returns a TComponent enumerator.
GetFirstControlWithGesture	protected
GetFirstControlWithGestureEngine	protected
GetFirstSelect	protected	Getter for the FirstSelectedItem property.
GetFirstVisibleObjectIndex	protected
GetHasClipParent	protected
GetHashCode	public	Returns an integer containing the hash code.
GetHeight	protected	Getter function for the Height property.
GetHintObject	protected	Returns the custom hint object that manages the hint display.
GetHintString	protected	Returns the text of the hint.
GetHitTest	protected	Getter function for the HitTest property.
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.
GetItemIndex	protected	Returns the index of the currently selected item.
GetLastVisibleObjectIndex	protected
GetLeft	protected	Getter function for the Left property.
GetListOfInteractiveGestures	protected
GetLocalRect	protected	Getter function for the LocalRect property.
GetLocked	protected	Getter function for the Locked property.
GetMargins	protected	Getter function for the Margins property.
GetNamePath	public	Returns a string used by the Object Inspector.
GetObject	protected	Returns the current control as a TFmxObject.
GetObservers	protected
GetOriginalParentSize	protected	Getter function for the OriginalParentSize property.
GetOwner	protected	Returns the owner of a component.
GetPadding	protected	Getter function for the Padding property.
GetParent	protected
GetParentClassStyleLookupName	protected	Getter for the ParentClassStyleLookupName property.
GetParentComponent	public	Returns the containing component.
GetParentedRect (deprecated)	protected	Getter function for the ParentedRect property.
GetParentedVisible	protected	Returns the value of the ParentedVisible property.
GetPopupMenu	protected
GetResourceControl	protected	Returns the style resource for this control as TControl.
GetResourceLink	protected	Returns the style resource for this control as TFmxObject.
GetScrollingBehaviours	protected
GetStyleContext	protected	Returns context for behavior manager.
GetStyleObject	protected	Gets the style resource object linked to TStyledControl.
GetTabList	public
GetTabListClass	protected
GetTabStopController	protected
GetTop	protected	Getter function for the Top property.
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).
GetUpdateRect	protected	Getter function for the UpdateRect property.
GetVisible	protected	Getter function for the Visible property.
GetWidth	protected	Getter function for the Width property.
HandleSizeChanged	protected	Executed right after the value of the Size property changes.
HasHint	protected	Returns True if the control has an available hint to display.
HasParent	public	Verifies whether the component has a parent.
Hide	protected
HitTestChanged	protected	Executed right after the value of the HitTest property changes.
HScrollBarValue	protected	Returns the position of the horizontal scroll bar.
HScrollChange	protected	Internally called when the horizontal scroll bar changes position.
IgnoreBindingName	protected
IgnoreBooleanValue	protected
IgnoreFloatValue	protected
IgnoreIdentValue	protected
IgnoreIntegerValue	protected
ImagesChanged	protected	Should be called when the component needs to redraw the image.
Inflate	public
InheritsFrom	public	Determines the relationship of two object types.
InitiateAction	protected	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.
InsertObject	public	Adds the object provided in the parameter to the FChildren TList of this object (self), at the specified position (index).
InstanceSize	public	Returns the size in bytes of each instance of the object type.
InvalidateContentSize	public
InvalidateRect	public	Adds a rectangle to the update region of the scene.
InViewRect	public	Internally used.
Invoke	protected	Provides access to Automation properties and methods when the component wraps an Automation object.
IsAddToContent	protected
IsChild	public	Returns True if the specified object is a child.
IsControlRectEmpty	protected	Returns True if the control rect is empty.
IsHeightStored (deprecated)	protected
IsHelpContextStored	protected	Specifies whether HelpContext is stored.
IsImplementorOf	public	Indicates whether the component implements a specified interface.
IsOpaque	protected
IsPositionStored	protected
IsSizeStored	protected
IsUpdating	public	Returns True if this control is in the middle of one or more update sessions.
IsWidthStored (deprecated)	protected
ItemByIndex	public	Returns the item at the index specified by Idx.
ItemByPoint	public	Returns the item at the specified point.
ItemsExchange	public
KeyDown	protected
KeyUp	protected	OnKeyUp event dispatcher.
KillResourceLink	protected
LastSelectedItemFrom	public
Loaded	protected
LocalToAbsolute	public	Transforms and returns a specified point from the local perspective to the absolute perspective.
LocalToAbsoluteVector	public	Transforms and returns a specified vector from the local perspective to the absolute perspective.
LocalToScreen	public	Transforms and returns a specified point from the local perspective to the screen perspective.
Lock	public	Locks the current control, so it cannot be changed at design time.
LookupStyleObject	public	Looks for the style resource object linked to the TStyledControl.
MakeScreenshot	public	Takes and returns a screenshot of the control.
MethodAddress	public	Returns the address of a class method by name.
MethodName	public	Returns the name of a class method by address.
MouseClick	protected
MouseDown	protected
MouseMove	public
MouseUp	public
MouseWheel	protected	Internally executed while the mouse wheel is used over the surface of this scroll box.
Move	protected
NeedStyleLookup	public	Call this procedure to indicate that this control requires to get and apply its style lookup.
NeedUpdateEffects	protected
NewInstance	public	Allocates memory for an instance of an object type and returns a pointer to that new instance.
Notification	protected
NotifyInflated	public
ObjectAtPoint	protected	Returns the control in which a specified point can be found.
ObjectState (deprecated)	public	Describes the current state of the object.
ObserverAdded	protected
operator ()	public
PaddingChanged	protected	Applies the padding
Paint	protected
PaintChildren	protected	Renders the child controls.
Painting	protected
PaintInternal	protected
PaintTo	public	Paints the current control to a specified canvas.
ParentChanged	protected	Executed right after the value of the Parent property changes.
PointInObject	public	Checks whether the point, specified by the absolute coordinates, belongs to the control area.
PointInObjectLocal	public	Checks whether the point specified by local coordinates belongs to the control area.
PrepareForPaint	public
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	Reads the state of the component.
Realign	protected	Performs the realignment of the control's children within itself.
RealignContent	public	Realigns the children controls of this scroll box in the scrolling area of this scroll box.
RealUpdateGroups	protected
RecalcAbsolute	public	Forces the current control to recalculate the AbsoluteMatrix property.
RecalcAbsoluteNow	public	Recalculates AbsoluteMatrix.
RecalcEnabled	public	Forces the current control to recalculate its enabled state.
RecalcHasClipParent	public	Forces the current control to recalculate its HasClipParent property.
RecalcHasEffect	public	Forces the current control to recalculate its HasEffect property.
RecalcOpacity	public	Forces the current control to recalculate its Opacity property.
RecalcSize	public
RecalcUpdateRect	public	Forces the current control to recalculate its UpdateRect property.
RecycleResourceLink	protected
ReferenceInterface	public	Establishes or removes internal links that cause this component to be notified when the implementer of a specified interface is destroyed.
Release	public	Marks this TFmxObject object for delayed deletion.
ReleaseCapture	protected	Prevents the control from currently capturing all the mouse messages.
Released (deprecated)	public	Returns True if this object has been released from memory.
RemoveComponent	public	Removes a specified component specified from the component's Components list.
RemoveFreeNotification	public	Disables the destruction notification that was enabled by FreeNotification.
RemoveFreeNotifications	protected	Notifies all owned components of the owner component's imminent destruction.
RemoveFreeNotify	public	Removes the given object from the free notifications list.
RemoveFromResourcePool	protected
RemoveObject	public	Removes a children object from its parent.
Repaint	public	Forces the control to repaint its image on the screen.
RepaintJointArea	class protected
RepaintRect	protected
RequestStyleData	protected	Requests the value of the StylesData property of the style object.
ResetChildrenIndices	protected
ResetChildrenIndicesSpan	protected
ResetFocus	public	Removes the focus from a control
Resize	protected	OnResize event dispatcher.
SafeCallException	public	Handles exceptions in methods declared using the safecall calling convention.
ScreenToLocal	public	Transforms and returns a specified point from the screen perspective to the local perspective.
ScrollBy	public	Scrolls the view according to the given Dx and Dy offsets (relative to the current position) in the TScrollBox control.
ScrollTo (deprecated)	public	ScrollTo simply calls ScrollBy.
ScrollToItem	public	Scrolls the content so that the Item is visible.
SearchInto	protected
SelectAll	public	Selects all the items in the list.
SelectRange	public	Selects all the items between two given items.
SendChildToBack	public
SendToBack	public	Sends this FMX visual object to the background letting other overlapping visual controls that are on the same form to be on top of it.
SetAcceptsControls	protected	Setter function for the AcceptsControls property.
SetAdjustSizeValue	protected
SetAdjustType	protected
SetAlign	protected	Setter function for the Align property.
SetAncestor	protected	Clears or sets csAncestor state in the component's ComponentState property.
SetAnchorMove	protected	Setter function for the AnchorMove property.
SetAnchors	protected	Setter function for the Anchors property.
SetBounds	public	Sets the boundaries of the current control.
SetBoundsRect	protected	Setter function for the BoundsRect property.
SetChildOrder	protected	Sets the visual ordering of a child control.
SetData	protected	Sets the text of the selected item.
SetDesign	public	Sets the csDesigning in TComponentState. Used internally by the IDE.
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.
SetDragMode	protected	Setter function for the DragMode property.
SetEnabled	protected	Setter of Enabled.
SetFocus	public	Sets the focus to the current control, if CanFocus is True.
SetGroupingKind	protected	The setter for the GroupingKind property.
SetHeight	protected	Setter function for the Height property.
SetHelpContext	protected	Setter method for the HelpContext property.
SetHelpKeyword	protected	Setter method for the HelpKeyword property.
SetHint	protected	Setter for the Hint property.
SetInline	protected	Sets the csInline bit of the component's ComponentState property.
SetInPaintTo	protected	Sets the InPaintTo property.
SetItemIndex	protected	Sets the index of the selected item in the list.
SetLeft	protected	Setter function for the Left property.
SetName	protected	Sets the value of the Name property.
SetNewScene	public	Sets a new Scene for the current control.
SetParent	protected	Protected setter implementation for the Parent property.
SetParentComponent	protected
SetPopupMenu	protected	Setter function for the PopupMenu property.
SetRoot	public	Sets the Root property of each child in the children list.
SetSize	protected
SetSubComponent	public	Identifies whether the component is a subcomponent.
SetTop	protected	Setter function for the Top property.
SetVisible	protected	Setter function for the Visible property.
SetWidth	protected	Setter function for the Width property.
ShouldTestMouseHits	public	Indicates whether a control should be ignored in ObjectAtPoint.
Show	protected
ShowContextMenu	protected	Displays the PopupMenu context menu of this control on the specified ScreenPosition screen point.
ShowInDesigner	public
Sort	public
SortItems	protected	Sorts the items in the list box.
StartTriggerAnimation	public
StartTriggerAnimationWait	public
StopPropertyAnimation	public	Stops the animation of the specified property of this FMX object.
StyleDataChanged	protected
StyleLookupChanged	protected
SupportsPaintStage	protected
SupportsPlatformService	protected
Tap	protected	Called when the Tap gesture on the style presentation is recognized.
ToString	public	Returns a string containing the class name.
TouchManager	protected
UnitName	public	Returns the name of the unit where the class is defined.
UnitScope	public	Returns the class's unit scope.
UpdateAction	public	Updates the state of an action.
UpdateAnchorRules	protected
UpdateAniCalculations	protected	Initializes the inertial scrolling and sets its properties.
Updated	protected
UpdateEffects	public	Updates the effects of the current control and of the control's parent.
UpdateExplicitBounds	protected	Updates the explicit bounds' properties of the control.
UpdateGroups	protected
UpdateRegistry	protected	Provides the interface for a method that adds type library and version information to the Registry on components that implement COM interfaces.
UpdateSelection	protected	Updates the items that are selected in the list box.
UpdateStickyHeader	protected	Updates the layout of the "sticky" item in a list box.
UpdateVisibleItems	protected
Updating	protected	Sets the csUpdating state in the component's ComponentState property.
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.
ViewportPositionChange	protected	Executed when the viewport position changes.
VisibleChanged	protected	Executed right after the value of the Visible property changes.
VisibleStored	protected	Returns True when the Visible property needs to be stored in the fmx-file.
VScrollBarValue	protected	Returns the position of the vertical scroll bar.
VScrollChange	protected	Internally called when the vertical scroll bar changes position.
WriteState	protected	Writes the state of the component.