mx.states.RemoveChild - ActionScript® 3.0 Reference for the Adobe® Flash® Platform

Package	mx.states
Class	public class RemoveChild
Inheritance	RemoveChild OverrideBase OnDemandEventDispatcher Object

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The RemoveChild class removes a child display object, such as a component, from a container as part of a view state. The child is only removed from the display list, it is not deleted. You use this class in the overrides property of the State class.

MXML Syntax expanded

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The <mx:RemoveChild> tag has the following attributes:

  <mx:RemoveChild
  Properties
  target="null"
  />

More examples

Defining a login interface by using view states
Example: Creating a simple view state
Create and apply view states
Defining view state groups
Example: Controlling layout using view states groups

Learn more

About view states
Using view state events

Related API Elements

mx.states.State
mx.states.AddChild
mx.states.Transition
mx.effects.RemoveChildAction

Public Properties

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	Property		Defined By
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		prototype : Object [static] A reference to the prototype object of a class or function object.	Object
		target : Object The child to remove from the view.	RemoveChild

Public Methods

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	Method		Defined By
		RemoveChild(target:DisplayObject = null) Constructor.	RemoveChild
		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.	OnDemandEventDispatcher
		apply(parent:UIComponent):void [override] Applies the override.	RemoveChild
		dispatchEvent(event:Event):Boolean Dispatches an event into the event flow.	OnDemandEventDispatcher
		hasEventListener(type:String):Boolean Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	OnDemandEventDispatcher
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		initialize():void IOverride interface method; this class implements it as an empty method.	OverrideBase
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		remove(parent:UIComponent):void [override] Removes the override.	RemoveChild
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	OnDemandEventDispatcher
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String Returns the string representation of the specified object.	Object
		valueOf():Object Returns the primitive value of the specified object.	Object
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	OnDemandEventDispatcher

Property Detail

target

property

public var target:Object

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

The child to remove from the view.

Constructor Detail

RemoveChild

()

Constructor

public function RemoveChild(target:DisplayObject = null)

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Constructor.

Parameters

target:DisplayObject (default = null) — The child to remove from the view.

Method Detail

apply

()

method

override public function apply(parent:UIComponent):void

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Applies the override. Flex retains the original value, so that it can restore the value later in the remove() method.

This method is called automatically when the state is entered. It should not be called directly.

Parameters

parent:UIComponent — The parent of the state object containing this override. The override should use this as its target if an explicit target was not specified.

remove

()

method

override public function remove(parent:UIComponent):void

Language Version:

ActionScript 3.0

Product Version:

Flex 3

Runtime Versions:

Flash Player 9, AIR 1.1

Removes the override. The value remembered in the apply() method is restored.

This method is called automatically when the state is entered. It should not be called directly.

Parameters

parent:UIComponent — The parent of the state object containing this override. The override should use this as its target if an explicit target was not specified.

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Classes x

target

RemoveChild

apply

remove