| Package | mx.controls.scrollClasses | 
| Class | public class ScrollBar | 
| Inheritance | ScrollBar  UIComponent  FlexSprite  Sprite  DisplayObjectContainer  InteractiveObject  DisplayObject  EventDispatcher  Object | 
| Subclasses | HScrollBar, VScrollBar | 
The width of a scroll bar is equal to the largest width of its subcomponents (up arrow, down arrow, thumb, and track). Every subcomponent is centered in the scroll bar.
MXML Syntax Hide MXML Syntax
Hide MXML Syntax
The <mx:ScrollBar> tag inherits all of the tag attributes
  of its superclass, and adds the following tag attributes:
  <mx:ScrollBar
    Properties
    direction="vertical|horizontal"
    lineScrollSize="1"
    maxScrollPosition="0"
    minScrollPosition="0"
    pageScrollSize="Reset to the pageSize parameter of setScrollProperties"
    pageSize="0"
    scrollPosition="0"
 
    Styles
    borderColor="0xB7BABC" 
    cornerRadius="0" 
    disabledIconColor="0x999999"
    downArrowDisabledSkin="mx.skins.halo.ScrollArrowSkin"
    downArrowDownSkin="mx.skins.halo.ScrollArrowSkin"
    downArrowOverSkin="mx.skins.halo.ScrollArrowSkin"
    downArrowUpSkin="mx.skins.halo.ScrollArrowSkin"
    fillAlphas="[0.6, 0.4]" 
    fillColors="[0xFFFFFF, 0xCCCCCC]" 
    highlightAlphas="[0.3, 0.0]" 
    iconColor="0x111111"
    thumbDownSkin="mx.skins.halo.ScrollThumbSkin"
    thumbIcon="undefined"
    thumbOffset="0"
    thumbOverSkin="mx.skins.halo.ScrollThumbSkin"
    thumbUpSkin="mx.skins.halo.ScrollThumbSkin"
    trackColors="[0x94999b, 0xe7e7e7]"
    trackSkin="mx.skins.halo.ScrollTrackSkin"
    upArrowDisabledSkin="mx.skins.halo.ScrollArrowSkin"
    upArrowDownSkin="mx.skins.halo.ScrollArrowSkin"
    upArrowOverSkin="mx.skins.halo.ScrollArrowSkin"
    upArrowUpSkin="mx.skins.halo.ScrollArrowSkin"
  />
  
   See also
| Property | Defined By | ||
|---|---|---|---|
|  | accessibilityProperties : AccessibilityProperties 
     The current accessibility options for this display object. | DisplayObject | |
|  | activeEffects : Array [read-only] 
      The list of effects that are currently playing on the component,
      as an Array of EffectInstance instances. | UIComponent | |
|  | alpha : Number 
     Indicates the alpha transparency value of the object specified. | DisplayObject | |
|  | automationDelegate : Object 
      The delegate object that handles the automation-related functionality. | UIComponent | |
|  | automationName : String 
      Name that can be used as an identifier for this object. | UIComponent | |
|  | automationTabularData : Object [read-only] 
     An implementation of the IAutomationTabularData interface, which 
     can be used to retrieve the data. | UIComponent | |
|  | automationValue : Array [read-only] 
      This value generally corresponds to the rendered appearance of the 
      object and should be usable for correlating the identifier with
      the object as it appears visually within the application. | UIComponent | |
|  | baselinePosition : Number [read-only] 
      The y-coordinate of the baseline
      of the first line of text of the component. | UIComponent | |
|  | blendMode : String 
     A value from the BlendMode class that specifies which blend mode to use. | DisplayObject | |
|  | buttonMode : Boolean 
     Specifies the button mode of this sprite. | Sprite | |
|  | cacheAsBitmap : Boolean 
     If set to true, Flash Player or Adobe AIR caches an internal bitmap representation of the
     display object. | DisplayObject | |
|  | cacheHeuristic : Boolean [write-only] 
      Used by Flex to suggest bitmap caching for the object. | UIComponent | |
|  | cachePolicy : String 
      Specifies the bitmap caching policy for this object. | UIComponent | |
|  | className : String [read-only] 
      The name of this instance's class, such as "Button". | UIComponent | |
|  | constructor : Object 
  A reference to the class object or constructor function for a given object instance. | Object | |
|  | contentMouseX : Number [read-only] 
      Returns the x position of the mouse, in the content coordinate system. | UIComponent | |
|  | contentMouseY : Number [read-only] 
      Returns the y position of the mouse, in the content coordinate system. | UIComponent | |
|  | contextMenu : NativeMenu  
  Specifies the context menu associated with this object. | InteractiveObject | |
|  | currentState : String 
      The current view state of the component. | UIComponent | |
|  | cursorManager : ICursorManager [read-only] 
      Gets the CursorManager that controls the cursor for this component
      and its peers. | UIComponent | |
|  | descriptor : UIComponentDescriptor 
      Reference to the UIComponentDescriptor, if any, that was used
      by the createComponentFromDescriptor() method to create this
      UIComponent instance. | UIComponent | |
| direction : String 
      Specifies whether the ScrollBar is for horizontal or vertical scrolling. | ScrollBar | ||
|  | document : Object 
      A reference to the document object associated with this UIComponent. | UIComponent | |
|  | dropTarget : DisplayObject [read-only] 
  Specifies the display object over which the sprite is being dragged, or on
  which the sprite was dropped. | Sprite | |
|  | enabled : Boolean 
      Whether the component can accept user interaction. | UIComponent | |
|  | errorString : String 
      The text that will be displayed by a component's error tip when a
      component is monitored by a Validator and validation fails. | UIComponent | |
|  | explicitHeight : Number 
      Number that specifies the explicit height of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | explicitMaxHeight : Number 
      Number that specifies the maximum height of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | explicitMaxWidth : Number 
      Number that specifies the maximum width of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | explicitMinHeight : Number 
      Number that specifies the minimum height of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | explicitMinWidth : Number 
      Number that specifies the minimum width of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | explicitWidth : Number 
      Number that specifies the explicit width of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | filters : Array 
     An indexed array that contains each filter object currently associated with the display object. | DisplayObject | |
|  | flexContextMenu : IFlexContextMenu 
      The context menu for this UIComponent. | UIComponent | |
|  | focusEnabled : Boolean 
      Indicates whether the component can receive focus when tabbed to. | UIComponent | |
|  | focusManager : IFocusManager 
      Gets the FocusManager that controls focus for this component
      and its peers. | UIComponent | |
|  | focusPane : Sprite 
      The focus pane associated with this object. | UIComponent | |
|  | focusRect : Object  
  Specifies whether this object displays a focus rectangle. | InteractiveObject | |
|  | graphics : Graphics [read-only] 
     Specifies the Graphics object that belongs to this sprite where vector
     drawing commands can occur. | Sprite | |
|  | height : Number 
      Number that specifies the height of the component, in pixels,
      in the parent's coordinates. | UIComponent | |
|  | hitArea : Sprite 
  Designates another sprite to serve as the hit area for a sprite. | Sprite | |
|  | id : String 
      ID of the component. | UIComponent | |
|  | includeInLayout : Boolean 
      Specifies whether this component is included in the layout of the
      parent container. | UIComponent | |
|  | inheritingStyles : Object 
      The beginning of this component's chain of inheriting styles. | UIComponent | |
|  | initialized : Boolean 
      A flag that determines if an object has been through all three phases
      of layout: commitment, measurement, and layout (provided that any were required). | UIComponent | |
|  | instanceIndex : int [read-only] 
      The index of a repeated component. | UIComponent | |
|  | instanceIndices : Array 
      An Array containing the indices required to reference
      this UIComponent object from its parent document. | UIComponent | |
|  | isDocument : Boolean [read-only] 
      Determines whether this UIComponent instance is a document object,
      that is, whether it is at the top of the hierarchy of a Flex
      application, MXML component, or ActionScript component. | UIComponent | |
|  | isPopUp : Boolean 
      Set to true by the PopUpManager to indicate
      that component has been popped up. | UIComponent | |
| lineScrollSize : Number 
      Amount to scroll when an arrow button is pressed, in pixels. | ScrollBar | ||
|  | loaderInfo : LoaderInfo [read-only] 
     Returns a LoaderInfo object containing information about loading the file
     to which this display object belongs. | DisplayObject | |
|  | mask : DisplayObject 
     The calling display object is masked by the specified mask object. | DisplayObject | |
|  | maxHeight : Number 
      Number that specifies the maximum height of the component,
      in pixels, in the component's coordinates. | UIComponent | |
| maxScrollPosition : Number 
      Number which represents the maximum scroll position. | ScrollBar | ||
|  | maxWidth : Number 
      Number that specifies the maximum width of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | measuredHeight : Number 
      The default height of the component, in pixels. | UIComponent | |
|  | measuredMinHeight : Number 
      The default minimum height of the component, in pixels. | UIComponent | |
|  | measuredMinWidth : Number 
      The default minimum width of the component, in pixels. | UIComponent | |
|  | measuredWidth : Number 
      The default width of the component, in pixels. | UIComponent | |
|  | minHeight : Number 
      Number that specifies the minimum height of the component,
      in pixels, in the component's coordinates. | UIComponent | |
| minScrollPosition : Number 
      Number that represents the minimum scroll position. | ScrollBar | ||
|  | minWidth : Number 
      Number that specifies the minimum width of the component,
      in pixels, in the component's coordinates. | UIComponent | |
|  | moduleFactory : IFlexModuleFactory 
      The moduleFactory that is used to create TextFields in the correct SWF context. | UIComponent | |
|  | mouseChildren : Boolean 
  Determines whether or not the children of the object are mouse enabled. | DisplayObjectContainer | |
|  | mouseEnabled : Boolean  
  Specifies whether this object receives mouse messages. | InteractiveObject | |
|  | mouseFocusEnabled : Boolean 
      Whether you can receive focus when clicked on. | UIComponent | |
|  | mouseX : Number [read-only] 
     Indicates the x coordinate of the mouse position, in pixels. | DisplayObject | |
|  | mouseY : Number [read-only] 
     Indicates the y coordinate of the mouse position, in pixels. | DisplayObject | |
|  | name : String 
     Indicates the instance name of the DisplayObject. | DisplayObject | |
|  | nestLevel : int 
      Depth of this object in the containment hierarchy. | UIComponent | |
|  | nonInheritingStyles : Object 
      The beginning of this component's chain of non-inheriting styles. | UIComponent | |
|  | numAutomationChildren : int [read-only] 
      The number of automation children this container has. | UIComponent | |
|  | numChildren : int [read-only] 
  Returns the number of children of this object. | DisplayObjectContainer | |
|  | opaqueBackground : Object 
     Specifies whether the display object is opaque with a certain background color. | DisplayObject | |
|  | owner : DisplayObjectContainer 
      The owner of this UIComponent. | UIComponent | |
| pageScrollSize : Number 
      Amount to move the scroll thumb when the scroll bar 
      track is pressed, in pixels. | ScrollBar | ||
| pageSize : Number 
      The number of lines equivalent to one page. | ScrollBar | ||
|  | parent : DisplayObjectContainer [read-only] 
      The parent container or component for this component. | UIComponent | |
|  | parentApplication : Object [read-only] 
      A reference to the Application object that contains this UIComponent
      instance. | UIComponent | |
|  | parentDocument : Object [read-only] 
      A reference to the parent document object for this UIComponent. | UIComponent | |
|  | percentHeight : Number 
      Number that specifies the height of a component as a percentage
      of its parent's size. | UIComponent | |
|  | percentWidth : Number 
      Number that specifies the width of a component as a percentage
      of its parent's size. | UIComponent | |
|  | processedDescriptors : Boolean 
      Set to true after immediate or deferred child creation, 
      depending on which one happens. | UIComponent | |
|  | prototype : Object [static] 
  A reference to the prototype object of a class or function object. | Object | |
|  | repeater : IRepeater [read-only] 
      A reference to the Repeater object
      in the parent document that produced this UIComponent. | UIComponent | |
|  | repeaterIndex : int [read-only] 
      The index of the item in the data provider
      of the Repeater that produced this UIComponent. | UIComponent | |
|  | repeaterIndices : Array 
      An Array containing the indices of the items in the data provider
      of the Repeaters in the parent document that produced this UIComponent. | UIComponent | |
|  | repeaters : Array 
      An Array containing references to the Repeater objects
      in the parent document that produced this UIComponent. | UIComponent | |
|  | root : DisplayObject [read-only] 
     For a display object in a loaded SWF file, the root property is the 
     top-most display object in the portion of the display list's tree structure represented by that SWF file. | DisplayObject | |
|  | rotation : Number 
     Indicates the rotation of the DisplayObject instance, in degrees, from its original orientation. | DisplayObject | |
|  | scale9Grid : Rectangle 
     The current scaling grid that is in effect. | DisplayObject | |
|  | scaleX : Number 
      Number that specifies the horizontal scaling factor. | UIComponent | |
|  | scaleY : Number 
      Number that specifies the vertical scaling factor. | UIComponent | |
|  | screen : Rectangle [read-only] 
      Returns an object that contains the size and position of the base
      drawing surface for this object. | UIComponent | |
| scrollPosition : Number 
      Number that represents the current scroll position. | ScrollBar | ||
|  | scrollRect : Rectangle 
     The scroll rectangle bounds of the display object. | DisplayObject | |
|  | showInAutomationHierarchy : Boolean  
      A flag that determines if an automation object
      shows in the automation hierarchy. | UIComponent | |
|  | soundTransform : SoundTransform 
  Controls sound within this sprite. | Sprite | |
|  | stage : Stage [read-only] 
     The Stage of the display object. | DisplayObject | |
|  | states : Array 
      The view states that are defined for this component. | UIComponent | |
|  | styleDeclaration : CSSStyleDeclaration 
      Storage for the inline inheriting styles on this object. | UIComponent | |
|  | styleName : Object 
      The class style used by this component. | UIComponent | |
|  | systemManager : ISystemManager 
      Returns the SystemManager object used by this component. | UIComponent | |
|  | tabChildren : Boolean 
  Determines whether the children of the object are tab enabled. | DisplayObjectContainer | |
|  | tabEnabled : Boolean  
  Specifies whether this object is in the tab order. | InteractiveObject | |
|  | tabIndex : int  
     Specifies the tab ordering of objects in a SWF file. | InteractiveObject | |
|  | textSnapshot : TextSnapshot [read-only] 
     Returns a TextSnapshot object for this DisplayObjectContainer instance. | DisplayObjectContainer | |
|  | toolTip : String 
      Text to display in the ToolTip. | UIComponent | |
|  | transform : Transform 
    An object with properties pertaining to a display object's matrix, color transform, and pixel bounds. | DisplayObject | |
|  | transitions : Array 
      An Array of Transition objects, where each Transition object defines a
      set of effects to play when a view state change occurs. | UIComponent | |
|  | tweeningProperties : Array 
      Array of properties that are currently being tweened on this object. | UIComponent | |
|  | uid : String 
      A unique identifier for the object. | UIComponent | |
|  | updateCompletePendingFlag : Boolean 
      A flag that determines if an object has been through all three phases
      of layout validation (provided that any were required). | UIComponent | |
|  | useHandCursor : Boolean 
  A Boolean value that indicates whether the pointing hand (hand cursor) appears when the mouse rolls 
  over a sprite in which the buttonMode property is set to true. | Sprite | |
|  | validationSubField : String 
      Used by a validator to associate a subfield with this component. | UIComponent | |
|  | visible : Boolean 
      Controls the visibility of this UIComponent. | UIComponent | |
|  | width : Number 
      Number that specifies the width of the component, in pixels,
      in the parent's coordinates. | UIComponent | |
|  | x : Number 
      Number that specifies the component's horizontal position,
      in pixels, within its parent container. | UIComponent | |
|  | y : Number 
      Number that specifies the component's vertical position,
      in pixels, within its parent container. | UIComponent | |
| Property | Defined By | ||
|---|---|---|---|
| downArrowStyleFilters : Object [read-only] 
      Set of styles to pass from the ScrollBar to the down arrow. | ScrollBar | ||
|  | resourceManager : IResourceManager [write-only] 
      A reference to the object which manages
      all of the application's localized resources. | UIComponent | |
| thumbStyleFilters : Object [read-only] 
      Set of styles to pass from the ScrollBar to the thumb. | ScrollBar | ||
|  | unscaledHeight : Number [read-only] 
      A convenience method for determining the unscaled height
      of the component. | UIComponent | |
|  | unscaledWidth : Number [read-only] 
      A convenience method for determining the unscaled width
      of the component
      All of a component's drawing and child layout should be done
      within a bounding rectangle of this width, which is also passed
      as an argument to updateDisplayList(). | UIComponent | |
| upArrowStyleFilters : Object [read-only] 
      Set of styles to pass from the ScrollBar to the up arrow. | ScrollBar | ||
| Method | Defined By | ||
|---|---|---|---|
| 
      Constructor. | ScrollBar | ||
|  | 
     Adds a child DisplayObject instance to this DisplayObjectContainer instance. | DisplayObjectContainer | |
|  | 
  Adds a child DisplayObject instance to this DisplayObjectContainer 
  instance. | DisplayObjectContainer | |
|  | 
addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
 
 Registers an event listener object with an EventDispatcher object so that the listener 
 receives notification of an event. | EventDispatcher | |
|  | 
  Indicates whether the security restrictions 
  would cause any display objects to be omitted from the list returned by calling
  the DisplayObjectContainer.getObjectsUnderPoint() method
  with the specified point point. | DisplayObjectContainer | |
|  | 
      Queues a function to be called later. | UIComponent | |
|  | 
      Deletes a style property from this component instance. | UIComponent | |
|  | 
  Determines whether the specified display object is a child of the DisplayObjectContainer instance or
  the instance itself. | DisplayObjectContainer | |
|  | 
      Converts a Point object from content coordinates to global coordinates. | UIComponent | |
|  | 
      Converts a Point object from content to local coordinates. | UIComponent | |
|  | 
      Returns a set of properties that identify the child within 
      this container. | UIComponent | |
|  | 
      Creates an id reference to this IUIComponent object
   on its parent document object. | UIComponent | |
|  | 
      Deletes the id reference to this IUIComponent object
   on its parent document object. | UIComponent | |
|  | 
      Returns a UITextFormat object corresponding to the text styles
      for this UIComponent. | UIComponent | |
|  | 
      Dispatches an event into the event flow. | UIComponent | |
|  | 
      Shows or hides the focus indicator around this component. | UIComponent | |
|  | 
drawRoundRect(x:Number, y:Number, width:Number, height:Number, cornerRadius:Object = null, color:Object = null, alpha:Object = null, gradientMatrix:Matrix = null, gradientType:String = "linear", gradientRatios:Array = null, hole:Object = null):void
 
   Programatically draws a rectangle into this skin's Graphics object. | UIComponent | |
|  | 
      Called by the effect instance when it stops playing on the component. | UIComponent | |
|  | 
      Called by the effect instance when it starts playing on the component. | UIComponent | |
|  | 
      Ends all currently playing effects on the component. | UIComponent | |
|  | 
      Executes the data bindings into this UIComponent object. | UIComponent | |
|  | 
      Called after printing is complete. | UIComponent | |
|  |  
      Provides the automation object at the specified index. | UIComponent | |
|  | 
     Returns a rectangle that defines the area of the display object relative to the coordinate system
     of the targetCoordinateSpace object. | DisplayObject | |
|  | 
     Returns the child display object instance that exists at the specified index. | DisplayObjectContainer | |
|  | 
     Returns the child display object that exists with the specified name. | DisplayObjectContainer | |
|  | 
     Returns the index position of a child DisplayObject instance. | DisplayObjectContainer | |
|  | 
      Finds the type selectors for this UIComponent instance. | UIComponent | |
|  | 
      Returns a layout constraint value, which is the same as 
      getting the constraint style for this component. | UIComponent | |
|  | 
      A convenience method for determining whether to use the
      explicit or measured height
            | UIComponent | |
|  | 
      A convenience method for determining whether to use the
      explicit or measured width
            | UIComponent | |
|  | 
      Gets the object that currently has focus. | UIComponent | |
|  | 
     Returns an array of objects that lie under the specified point and are children 
     (or grandchildren, and so on) of this DisplayObjectContainer instance. | DisplayObjectContainer | |
|  | 
    Returns a rectangle that defines the boundary of the display object, 
    based on the coordinate system defined by the targetCoordinateSpace 
    parameter, excluding any strokes on shapes. | DisplayObject | |
|  | 
      Returns the item in the dataProvider that was used
      by the specified Repeater to produce this Repeater, or
      null if this Repeater isn't repeated. | UIComponent | |
|  | 
      Gets a style property that has been set anywhere in this
      component's style lookup chain. | UIComponent | |
|  | 
      Converts a Point object from global to content coordinates. | UIComponent | |
|  | 
     Converts the point object from the Stage (global) coordinates
     to the display object's (local) coordinates. | DisplayObject | |
|  | 
 Checks whether the EventDispatcher object has any listeners registered for a specific type 
 of event. | EventDispatcher | |
|  | 
  Indicates whether an object has a specified property defined. | Object | |
|  | 
     Evaluates the display object to see if it overlaps or intersects with the
     obj display object. | DisplayObject | |
|  | 
     Evaluates the display object to see if it overlaps or intersects with the
     point specified by the x and y parameters. | DisplayObject | |
|  | 
      Returns a box Matrix which can be passed to the 
      drawRoundRect() method
      as the rot parameter when drawing a horizontal gradient. | UIComponent | |
|  | 
      Initializes the internal structure of this component. | UIComponent | |
|  | 
      Initializes various properties which keep track of repeated instances
      of this component. | UIComponent | |
|  | 
      Marks a component so that its updateDisplayList()
      method gets called during a later screen update. | UIComponent | |
|  | 
      Marks a component so that its commitProperties()
      method gets called during a later screen update. | UIComponent | |
|  | 
      Marks a component so that its measure()
      method gets called during a later screen update. | UIComponent | |
|  | 
  Indicates whether an instance of the Object class is in the prototype chain of the object specified 
  as the parameter. | Object | |
|  | 
      Converts a Point object from local to content coordinates. | UIComponent | |
|  | 
     Converts the point object from the display object's (local) coordinates to the
     Stage (global) coordinates. | DisplayObject | |
|  | 
      Measures the specified HTML text, which may contain HTML tags such
      as <font> and <b>, 
      assuming that it is displayed
      in a single-line UITextField using a UITextFormat
      determined by the styles of this UIComponent. | UIComponent | |
|  | 
      Measures the specified text, assuming that it is displayed
      in a single-line UITextField using a UITextFormat
      determined by the styles of this UIComponent. | UIComponent | |
|  | 
       Moves the component to a specified position within its parent. | UIComponent | |
|  | 
      Propagates style changes to the children. | UIComponent | |
|  | 
      Returns true if the chain of owner properties 
      points from child to this UIComponent. | UIComponent | |
|  | 
      Called by Flex when a UIComponent object is added to or removed from a parent. | UIComponent | |
|  | 
      Prepares an IFlexDisplayObject for printing. | UIComponent | |
|  | 
  Indicates whether the specified property exists and is enumerable. | Object | |
|  | 
      Builds or rebuilds the CSS style cache for this component
      and, if the recursive parameter is true,
      for all descendants of this component as well. | UIComponent | |
|  | 
      For each effect event, registers the EffectManager
      as one of the event listeners. | UIComponent | |
|  | 
  Removes the specified child DisplayObject instance from the child list of the DisplayObjectContainer instance. | DisplayObjectContainer | |
|  | 
  Removes a child DisplayObject from the specified index position in the child list of 
  the DisplayObjectContainer. | DisplayObjectContainer | |
|  | 
 Removes a listener from the EventDispatcher object. | EventDispatcher | |
|  | 
      Replays the specified event. | UIComponent | |
|  | 
      Resolves a child by using the id provided. | UIComponent | |
|  | [static] 
      Resumes the background processing of methods
      queued by callLater(), after a call to
      suspendBackgroundProcessing(). | UIComponent | |
|  | 
      Sizes the object. | UIComponent | |
|  | 
 Changes the  position of an existing child in the display object container. | DisplayObjectContainer | |
|  | 
      Sets a layout constraint value, which is the same as 
      setting the constraint style for this component. | UIComponent | |
|  | 
      Set the current state. | UIComponent | |
|  | 
      Sets the focus to this component. | UIComponent | |
|  | 
     Sets the availability of a dynamic property for loop operations. | Object | |
| 
setScrollProperties(pageSize:Number, minScrollPosition:Number, maxScrollPosition:Number, pageScrollSize:Number = 0):void
 
      Sets the range and viewport size of the ScrollBar control. | ScrollBar | ||
|  | 
      Sets a style property on this component instance. | UIComponent | |
|  | 
      Called when the visible property changes. | UIComponent | |
|  | 
  Lets the user drag the specified sprite. | Sprite | |
|  | 
  Ends the startDrag() method. | Sprite | |
|  | 
      Detects changes to style properties. | UIComponent | |
|  | 
      Flex calls the stylesInitialized() method when
      the styles for a component are first initialized. | UIComponent | |
|  | [static] 
      Blocks the background processing of methods
      queued by callLater(),
      until resumeBackgroundProcessing() is called. | UIComponent | |
|  | 
  Swaps the z-order (front-to-back order) of the two specified child objects. | DisplayObjectContainer | |
|  | 
  Swaps the z-order (front-to-back order) of the child objects at the two specified index positions in the 
  child list. | DisplayObjectContainer | |
|  | 
   Returns a string indicating the location of this object
   within the hierarchy of DisplayObjects in the Application. | FlexSprite | |
|  | 
   Validates the position and size of children and draws other
   visuals. | UIComponent | |
|  | 
      Validate and update the properties and layout of this object
      and redraw it, if necessary. | UIComponent | |
|  | 
      Used by layout logic to validate the properties of a component
      by calling the commitProperties() method. | UIComponent | |
|  | 
   Validates the measured size of the component
   If the LayoutManager.invalidateSize() method is called with
   this ILayoutManagerClient, then the validateSize() method
   is called when it's time to do measurements. | UIComponent | |
|  | 
      Handles both the valid and invalid events from a
      validator assigned to this component. | UIComponent | |
|  | 
  Returns the primitive value of the specified object. | Object | |
|  | 
      Returns a box Matrix which can be passed to drawRoundRect()
      as the rot parameter when drawing a vertical gradient. | UIComponent | |
|  | 
 Checks whether an event listener is registered with this EventDispatcher object or any of 
 its ancestors for the specified event type. | EventDispatcher | |
| Style | Description | Defined By | ||
|---|---|---|---|---|
|  | Type: String CSS Inheritance: no The vertical distance in pixels from the top edge of the content area to the control's baseline position. | UIComponent | ||
| 
borderColor
 | Type: uint Format: Color CSS Inheritance: no Color of the border. The following controls support this style: Button, CheckBox, ComboBox, MenuBar, NumericStepper, ProgressBar, RadioButton, ScrollBar, Slider, and any components that support the borderStylestyle.
  The default value depends on the component class;
  if not overriden for the class, the default value is0xB7BABC. | ScrollBar | ||
|  | Type: String CSS Inheritance: no The vertical distance in pixels from the lower edge of the component to the lower edge of its content area. | UIComponent | ||
| 
cornerRadius
 | Type: Number Format: Length CSS Inheritance: no Radius of component corners. The following components support this style: Alert, Button, ComboBox, LinkButton, MenuBar, NumericStepper, Panel, ScrollBar, Tab, TitleWindow, and any component that supports a borderStyleproperty set to"solid".
  The default value depends on the component class;
  if not overriden for the class, the default value is0. | ScrollBar | ||
| 
downArrowDisabledSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the down arrow button of the scroll bar when it is disabled. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
downArrowDownSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the down arrow button of the scroll bar when you click the arrow button . If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
downArrowOverSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the down arrow button of the scroll bar when the mouse pointer is over the arrow button. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
downArrowSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the default skin for the down arrow button of the scroll bar. The default value is  mx.skins.halo.ScrollArrowSkin.You can use the skin style to assign the skin for the following skin states: up, over, down, disabled. | ScrollBar | ||
| 
downArrowUpSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the down arrow button of the scroll bar. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
fillAlphas
 | Type: Array CSS Inheritance: no Alphas used for the background fill of controls. Use [1, 1] to make the control background opaque. The default value is  [ 0.6, 0.4 ]. | ScrollBar | ||
| 
fillColors
 | Type: Array Format: Color CSS Inheritance: no Colors used to tint the background of the control. Pass the same color for both values for a flat-looking control. The default value is  [ 0xFFFFFF, 0xCCCCCC ]. | ScrollBar | ||
| 
highlightAlphas
 | Type: Array CSS Inheritance: no Alpha transparencies used for the highlight fill of controls. The first value specifies the transparency of the top of the highlight and the second value specifies the transparency of the bottom of the highlight. The highlight covers the top half of the skin. The default value is  [ 0.3, 0.0 ]. | ScrollBar | ||
|  | Type: String CSS Inheritance: no The horizontal distance in pixels from the center of the component's content area to the center of the component. | UIComponent | ||
|  | Type: String CSS Inheritance: no The horizontal distance in pixels from the left edge of the component's content area to the left edge of the component. | UIComponent | ||
|  | Type: String CSS Inheritance: no The horizontal distance in pixels from the right edge of the component to the right edge of its content area. | UIComponent | ||
|  | Type: uint Format: Color CSS Inheritance: yes Theme color of a component. | UIComponent | ||
| 
thumbDownSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the thumb of the scroll bar when you click the thumb. The default value is  mx.skins.halo.ScrollThumbSkin. | ScrollBar | ||
| 
thumbIcon
 | Type: Class CSS Inheritance: no Name of the class to use as the icon for the thumb of the scroll bar. The default value is  "undefined". | ScrollBar | ||
| 
thumbOffset
 | Type: Number CSS Inheritance: no The number of pixels to offset the scroll thumb from the center of the scroll bar. The default value is  0. | ScrollBar | ||
| 
thumbOverSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the thumb of the scroll bar when the mouse pointer is over the thumb. The default value is  mx.skins.halo.ScrollThumbSkin. | ScrollBar | ||
| 
thumbSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the default skin for the down arrow button of the scroll bar. The default value is  mx.skins.halo.ScrollArrowSkin.You can use the skin style to assign the skin for the following skin states: up, over, down. | ScrollBar | ||
| 
thumbUpSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the thumb of the scroll bar. The default value is  mx.skins.halo.ScrollThumbSkin. | ScrollBar | ||
|  | Type: String CSS Inheritance: no The vertical distance in pixels from the top edge of the control's content area to the top edge of the component. | UIComponent | ||
| 
trackColors
 | Type: Array Format: Color CSS Inheritance: no The colors of the track, as an array of two colors. You can use the same color twice for a solid track color. The default value is  [0x94999b, 0xe7e7e7]. | ScrollBar | ||
| 
trackDisabledSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the track of the scroll bar when the scroll bar is disabled. The default value is  undefined. | ScrollBar | ||
| 
trackDownSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the track of the scroll bar when you click on the track. The default value is  undefined. | ScrollBar | ||
| 
trackOverSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the track of the scroll bar when the mouse pointer is over the scroll bar. The default value is  undefined. | ScrollBar | ||
| 
trackSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the default skin for the track of the scroll bar. The default value is  mx.skins.halo.ScrollTrackSkin. | ScrollBar | ||
| 
trackUpSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the track of the scroll bar. The default value is  undefined. | ScrollBar | ||
| 
upArrowDisabledSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the up arrow button of the scroll bar when it is disabled. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
upArrowDownSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the up arrow button of the scroll bar when you click the arrow button. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
upArrowOverSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the up arrow button of the scroll bar when the mouse pointer is over the arrow button. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
| 
upArrowSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the default skin for the up arrow button of the scroll bar. The default value is  mx.skins.halo.ScrollArrowSkin.You can use the skin style to assign the skin for the following skin states: up, over, down, disabled. | ScrollBar | ||
| 
upArrowUpSkin
 | Type: Class CSS Inheritance: no Name of the class to use as the skin for the up arrow button of the scroll bar. If you change the skin, either graphically or programmatically, you should ensure that the new skin is the same height (for horizontal ScrollBars) or width (for vertical ScrollBars) as the track. The default value is  mx.skins.halo.ScrollArrowSkin. | ScrollBar | ||
|  | Type: String CSS Inheritance: no The vertical distance in pixels from the center of the component's content area to the center of the component. | UIComponent | ||
| Constant | Defined By | ||
|---|---|---|---|
|  | DEFAULT_MAX_HEIGHT : Number = 10000 [static] 
      The default value for the maxHeight property. | UIComponent | |
|  | DEFAULT_MAX_WIDTH : Number = 10000 [static] 
      The default value for the maxWidth property. | UIComponent | |
|  | DEFAULT_MEASURED_HEIGHT : Number = 22 [static] 
      The default value for the measuredHeight property. | UIComponent | |
|  | DEFAULT_MEASURED_MIN_HEIGHT : Number = 22 [static] 
      The default value for the measuredMinHeight property. | UIComponent | |
|  | DEFAULT_MEASURED_MIN_WIDTH : Number = 40 [static] 
      The default value for the measuredMinWidth property. | UIComponent | |
|  | DEFAULT_MEASURED_WIDTH : Number = 160 [static] 
      The default value for the measuredWidth property. | UIComponent | |
| THICKNESS : Number = 16 [static] 
      The width of a vertical scrollbar, or the height of a horizontal
      scrollbar, in pixels. | ScrollBar | ||
| direction | property | 
direction:String  [read-write] 
      Specifies whether the ScrollBar is for horizontal or vertical scrolling.
      Valid values in MXML are "vertical" and "horizontal".
           
In ActionScript, you use the following constants
      to set this property:
      ScrollBarDirection.VERTICAL and
      ScrollBarDirection.HORIZONTAL.
 The default value is ScrollBarDirection.VERTICAL.
This property can be used as the source for data binding.
    public function get direction():String
    public function set direction(value:String):void
See also
| downArrowStyleFilters | property | 
downArrowStyleFilters:Object  [read-only] Set of styles to pass from the ScrollBar to the down arrow.
    protected function get downArrowStyleFilters():Object
See also
| lineScrollSize | property | 
lineScrollSize:Number  [read-write] Amount to scroll when an arrow button is pressed, in pixels.
 The default value is 1.
    public function get lineScrollSize():Number
    public function set lineScrollSize(value:Number):void
| maxScrollPosition | property | 
maxScrollPosition:Number  [read-write] Number which represents the maximum scroll position.
 The default value is 0.
    public function get maxScrollPosition():Number
    public function set maxScrollPosition(value:Number):void
| minScrollPosition | property | 
minScrollPosition:Number  [read-write] Number that represents the minimum scroll position.
 The default value is 0.
    public function get minScrollPosition():Number
    public function set minScrollPosition(value:Number):void
| pageScrollSize | property | 
pageScrollSize:Number  [read-write] Amount to move the scroll thumb when the scroll bar track is pressed, in pixels.
 The default value is 0.
    public function get pageScrollSize():Number
    public function set pageScrollSize(value:Number):void
| pageSize | property | 
pageSize:Number  [read-write] The number of lines equivalent to one page.
 The default value is 0.
    public function get pageSize():Number
    public function set pageSize(value:Number):void
| scrollPosition | property | 
scrollPosition:Number  [read-write] 
      Number that represents the current scroll position.
     
      The value is between minScrollPosition and
      maxScrollPosition inclusively.
      
      
 The default value is 0.
    public function get scrollPosition():Number
    public function set scrollPosition(value:Number):void
| thumbStyleFilters | property | 
thumbStyleFilters:Object  [read-only] Set of styles to pass from the ScrollBar to the thumb.
    protected function get thumbStyleFilters():Object
See also
| upArrowStyleFilters | property | 
upArrowStyleFilters:Object  [read-only] Set of styles to pass from the ScrollBar to the up arrow.
    protected function get upArrowStyleFilters():Object
See also
| ScrollBar | () | Constructor | 
public function ScrollBar()
Constructor.
| setScrollProperties | () | method | 
public function setScrollProperties(pageSize:Number, minScrollPosition:Number, maxScrollPosition:Number, pageScrollSize:Number = 0):void
Sets the range and viewport size of the ScrollBar control. The ScrollBar control updates the state of the arrow buttons and size of the scroll thumb accordingly.
Parameters
| pageSize:Number— Number which represents the size of one page. | |
| minScrollPosition:Number— Number which represents the bottom of the 
      scrolling range. | |
| maxScrollPosition:Number— Number which represetns the top of the 
      scrolling range. | |
| pageScrollSize:Number(default =0)— Number which represents the increment to move when 
      the scroll track is pressed. | 
| THICKNESS | Constant | 
public static const THICKNESS:Number = 16
The width of a vertical scrollbar, or the height of a horizontal scrollbar, in pixels.