ActionScript 3.0 :: RemoveChild Only If It's In Display List?

Feb 3, 2009

How do I removeChild only if it's in the Display List?One button on my stage will addChild(radioButton) and another removes it. If the remove button is clicked first, then it obviously tries to remove something that has not yet been added and an error is returned. I've tried using the DisplayObjectContainer class with the contains() method to no avail.


ActionScript 3.0 :: Array Deletion - Removing An Object From The Display List (via RemoveChild)

May 9, 2010

When I'm removing an object from the display list (via removeChild), I'm performing a splice on all of the arrays that the object has:


My thinking was that this frees up some memory similar to disposing a bitmapdata. Does this even do anything? Or, will arrays be cleared and the memory usage restored when the object is removeChilded?

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ActionScript 3.0 :: RemoveChild From A Variable Length List Of MCs

Jun 2, 2009

i have a list of mc's being placed using addChild() on the stage depending on the amount of entry's in a database... this works fine. then when i need to refresh that list i'm having a problem where they're either not completely refreshing, or only the top 10 is being refreshed etc...


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Flash - Sorting Display Objects By Their Display List Depth

Aug 5, 2011

I have a list containing display objects from throughout the application (insertion order). I want to process the list either top-down (parent, child) or bottom up (child, parent). The only requirement is that either a parent is processed before any child or vice versa a child before its parent. What is a good approach? This question is not about sorting a list. It's about retrieving the depth of a particular display object.

Display list:
A (root)

My list:
list = [E1, F4, A, B2, B1, C3, ..., N9, N8]

N9, N8, F4, E1, C3, B2, B1, A

A, B2, B1, C3, E1, F4, N9, N8
Does not matter if N9 before N8 or N8 before N9. Important is that any N is before M (first run) or any M before its children N* (second run).

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ActionScript 3.0 :: Test If A Display Object Has Been Added To Display List

Mar 6, 2008

Is there any way to test if a display object has been added to the display list?

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Actionscript 3 :: Test If A Display Object Is On The Display List Or Not?

Mar 4, 2011

What's a simple way to detect if a display object is currently on the display list?

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Flex :: Identify All The Display Objects In The Display List?

Jun 28, 2011

How do I identify all the display objects in the display list in ActionScript, bellow the one that I have clicked? All the other objects are shadowed by the first one. What if other objects have visible parameter as hidden?

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ActionScript 3.0 :: Index A MovieClip To Always Display At Top Of Display List?

Jul 8, 2011

I was wondering if there is a shortcut so i can always set a MovieClip to display at the tippy top of the display list?

Also i understand that WebViewLayer will always display above the display list.

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ActionScript 3.0 :: Display Object Cannot Be In The Display List More Than Once?

Feb 9, 2009

It's my understanding that a display object cannot be in the display list more that once.So if I add something to the stage shouldn't a second addition of the same object replace the first? for instance:


there should now only be one "myDisplayObject" on the stage.

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ActionScript 3.0 :: AddChild / RemoveChild - Make A Mouesover And Mouseout That Will Display A Help / Key Box On The Screen

Jul 4, 2011

I'm trying to make a basic mouesover and mouseout that will display a help/key box on the screen. I created the help box that will be displayed as a symbol called helpbox. I updated the linkage to export to Actionscript and called the class Helpme. The object I'm using to instantiate the Helpme class is a small graphic called helpcoast. I want the "helpbox" in the new class "Helpme" to be displayed only when the mouse is over the helpcoast graphic. When I test the movie and mouse over and mouse out of the graphic once, I get no errors, but if I mouse over it, then off it, then back over again, I get this error in the output box:


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Actionscript 3 :: Error #1006 RemoveChild Is Not A Function. Timer Delay RemoveChild

Mar 29, 2010

I'm trying to build a conditional statement that will addChild and removeChild at different Timer Delays. Before I go any further, I thought, I should mention that I'm usinig TweenMax to ease the alpha of ease Child from 1 to 0 and back during the process to imitate a fade-in/out.

I'm getting issue with only one line - inside a conditional statement.It's running "OK". The movie runs as I want it, but the remove/addChild transitions are not at the speed I want it at. I am getting an error message in the output, but other than that, the movie runs fine.

import com.greensock.*;
import com.greensock.easing.*;
import com.greensock.plugins.*;


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ActionScript 3.0 :: Way To Trace Display List

Jun 2, 2009

I'm having alot of trouble tracking down the name of an object on the display list so i can removeChild Is there a way to trace every object on the display list so i can get its name and remove it? my stage is changing dynmically and i can't jut trace each object through a whole whack of code.

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List Box - Display String From XML File

Nov 6, 2009

I have a list box in my flash file that I would like to display a string from an xml file that has been run though html entities in php. So for instance I need the string.

Hey "Leonardo£$£$()*%£% '"' [1999]
to display as
Hey "Leonardo;$;$()*%$% '"' [1999]

I can get this to happen in my dynamic text boxes by using .htmlText to display but I have no idea how I would do this in the list box?

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ActionScript 3.0 :: Nothing Is Being Added To The Display List?

Jan 20, 2010

I've got MovieClips on the stage, both manually added, and added with code. I used this code to trace them all:

for(var i:int=0 ; i<stage.numChildren; i++) {
var myObject = stage.getChildAt(i);

All it returns is 0 and [object MainTimeline]. Is there something wrong with Flash, or did I do my coding wrong? The objects I put on the stage should be on the Display List, right?

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ActionScript 3.0 :: Can't Add To Display List From A Class

Sep 14, 2008

in my file, this works as expected:

var t:TextField = new TextField();
t.text = "hello in main";

However, when I create an instance of a class, and I have that same code in the constructor of that class, the text doesn't show up. I am creating the text field variable at the class level, not the contstructor level, so I think the variable should still hang around.

Do I have to get an instance of the stage, or something?

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ActionScript 1/2 :: Display Graphics In A List?

May 26, 2010

The documentation for the List component at[URL].. states "A list can also display graphics, including other components," but nowhere can I find an example of HOW to make this happen.  Can anyone please point me to a working example, I really need to be able to leverage this functionality, but I cannot for the life of me find anywhere it's being done.

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ActionScript 3.0 :: Why Can't Get An Object Onto The Display List

Oct 4, 2010

i have this really basic class and all it does is create a button...i have another class called main where i want to put the button on the stage...problem is it all compiles but can't get the button to display..

public class Main extends Sprite
public function Main()


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Actionscript 3 :: What Is Display List In Flash 10

Apr 26, 2010

I'm working on a game that has many elements on stage, so I'm looking to optimize my loops. I know that Vector is faster than looping an array, but I'm also in some cases using:[code]My question is when I use getChildAt, is that accessing an Array or Vector or linked list or other? Should I instead store references to my objects in a Vector and loop through that instead?

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Actionscript 3 :: Way To Keep An Object Always At The Top Of The Display List?

Oct 7, 2010

Is there a way to make a display object always be at the top of the display list?For example, I know you can set the childIndex, i.e:setChildIndex(myDisplayObject, numChildren-1);But is there a way that an object has sensed that something else has been added to the display list and restack themselves accordingly?

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Flex :: How To Display A FileSystemList List In As3

Apr 23, 2011

I am working on an air-application but written in as3. How can I still display an fileSystemList-Component(flex) written in actionscript?

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ActionScript 3.0 :: Trying To Understand The Display List

Jul 31, 2009

Is addChild for "maskContainer" necessary in the following scenario?


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ActionScript 3.0 :: Add To A Display List That's Already Has Items On It?

Nov 23, 2009

How do i add to a display list thats already has items on it?

this is what I have already

ActionScript Code:
public function LotteryDraw() { 
// get the display list positions for each MC and text field...
var startButton = this.getChildAt(0);


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ActionScript 3.0 :: Getting A Tooltip To The Top Of The Display List?

Jun 12, 2009

Ok so my document class loads pictures and adds them every so interval once they're done loading. So when the next picture loads, it will be higher on the display list than the picture previous to it(on the left). So if a child(a tooltip) of the previous picture(on the left) appears over the picture to the right, the tooltip will always appear underneath that following picture, since the tooltip is a child of the previous do i get it to appear above everything? (addChildAt won't work) . i need a quick fix, is there a way to get my document class to add that tooltip ?

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ActionScript 3.0 :: Managing Display List?

Sep 10, 2009

In my project I have 3 types of elements that spawn at different times. 1. When I hold the mousebutton down object 1 appears. 2. When I release the mousebutton, object 1 disappears and object 2 spawns3. At regular time intervals yet another object spawns, object 3.These objects might (or will rather) touch eachother at some point. And what I want is this:Object 1 to be under object 3 and object 2Object 3 to be under object 2

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ActionScript 3.0 :: Display List - How To Access It

Oct 25, 2009

Is the display-list an actual list? Can I access it with code ? (not confused with accessing objects in the display list). Is there only one or, if I load an external swf do they both have separate display lists?

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ActionScript 3.0 :: Display List And Organizing Classes

Mar 6, 2010

I'm making the game Breakout as an AS3 application using OOP. I am getting very confused though. I know that objects should be only responsible for themselves. But this is where I get stuck, they need to communicate as some level to add and remove screens, and I am getting majorly confused as to what is going too far, when it could maybe achieved in a simpler more OOP way. I've worked out the hierarchy of my classes, in terms of where they are being added (I think). I've added a screenshot of the hierarchy.

Have I got the order right based on OOP principles? Like, Introscreen will listen for play being pressed then call a method of the document class that will remove introscreen and then attach gamescreen. Is that right? Another thing that puzzples me. It seems to me if I made a level and put the paddle and the ball in that, then arranged all the bricks in that level, that I'd be duplicating work (based on the fact I need paddle and ball for level 2 also). So it would be best if I could have gamescreen with paddle and the ball and then add level1/2/3 to display list which would therefore set up the appropriate brick placement. But then, wouldn't that mean that I couldn't do hittests because my level 1/2 or 3 wouldn't be a sibling to the bat and the ball, them residing as a sibling in the level's parent class?

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ActionScript 3.0 :: Remove Sprite From Display List

Apr 30, 2009

I'm using a Timer to load a different swf (into Sprite) every couple of seconds, it works great but I can't get the previous swf removed before the next one loads, heres the code (I know, its really basic)


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ActionScript 3.0 :: Test If An Object Is In The Display List?

Jun 14, 2009

When a movie clip is removed from the stage it's properties are still accessible including visible == true. How do I test to see if it is off the time line?

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ActionScript 3.0 :: Timeline Navigation And The Display List?

Nov 20, 2009

I've got a movieclip called "rotatorProxy" that spans the entire timeline. I've got nav buttons that jump to various frames on that timeline. I need to get the display depth of rotatorProxy each time the nav buttons move the playhead. The AS3 code is easy enough:
var zIndex:int = this.getChildIndex(getChildByName("rotatorProxy")) ;
my problem is where to put it. If I put this code in any script that executes in the target frame, it works, but only if I hit the nav buttons slowly. If I bang on a single nav button rapidly, getChildByName("rotatorProxy") can return null. I don't know much about how the display list works but I assume the display list is rebuilt after every jump and the frame scripts are executing asynchronously, so it's possible my getChildByName call is  executed before the display list is complete. Is there an event or some other handle that would allow me to call my code before the frame is rendered but after the display list is complete?

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ActionScript 3.0 :: Accessing Objects In Display List?

Dec 13, 2009

I have a stage with instances of bauble_mcs on it that are attached by the document class of the main timeline (can someone tell me what the right term is here?  I don't know what I call the main time line in AS3).
I then have instances of snow_mc attached by the same class.  Inside the snow_mc I want to test to see if it is hitting any bauble_mcs but I don't know how!


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ActionScript 3.0 :: A Class Adding Itself To Display List?

Dec 14, 2009

What i'm trying to do is create an errorAlert class. The role of this class is to as you might expect display an alert:) So the current class is set up in such a way.
1. pass in an errorcode returned from the server into the constructor.
2. This runs through a switch and sets a msg variable to the right textual prompt based on the code. At this stage it also sets an alert type, so as an example it could be a severe alert where the user has no option other than ot refresh the browser. Or it is a softer alert where the user is able to press a close button and proceed.
Because all of the type handling and everything is held within the class. I want to avoid adding the instance to the display list within the main document class. Ideally just letting the class add itself to the stage AND IF it is a softer alert, it can show the close button, add an event listener, and, then remove itself.

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ActionScript 3.0 :: Keeping Item At Top Of Display List?

Jan 19, 2010

I have an AS file which contains all of the code for a main menu. This code loads another AS file which initializes code for the general items that will be on the stage throughout the whole flash. But when I initialize the code for one of the menu items after it's clicked I don't know how to get 2 of the items from the stage elements code to be on top of the display list. Because, as the code for the menu item loads the two stage elements are going to cover the items from that code and after its loaded its going to open up and show them the items that are loaded from the menu item code.

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ActionScript 3.0 :: Simple Class And The Display List?

Feb 3, 2010

I have very simple code for a class: package {import flash.text.TextField; import flash.display.Sprite; public class Greeter extends Sprite  { public function Greeter(){var txtHello:TextField = new TextField(); txtHello.text = "Hello World";  trace("hi"); addChild(txtHello);}}}

The above file is saved as in say folder  C: est I then create a Fla file named test_display.fla (saved in C: est) and its contents are: import Greeter;var tt:Greeter = new Greeter(); Now the Output window shows hi due to the trace statement but the addChild method should show World in the Flash movie but it does not. The only way to get Hello World to the Flash Movie is to change the test_display.fla to:

import Greeter;var tt:Greeter = new Greeter(); addChild(tt);
In other words I have to use the addChild method twice ( once in and once in test_display.fla ) to get Hello World to display in the Flash movie. Does anyone know why this is so?

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ActionScript 3.0 :: Passing A Display List Name Out Of A Class?

Feb 26, 2010

I am trying to pass the display list name that is inside the trace statement back out of this class.  Essentially I what I want, is that when someone clicks on the "Button_mc" movie clip, I want to pass the instance name back to a different class  I've been trying to figure this out all day with no luck and I was wondering if someone would be willing to give me a hint.

package {  import flash.display.*;  import*;
public class button_mc extends MovieClip public var


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ActionScript 3.0 :: Display List Of Text In HtmlText?

Jun 28, 2010

I am having a problem with the following code.

//Display paragraph text
//evt is a parameter being fed into the function that represents a specific page number.
myText.htmlText = paragraphText;var xmlSubMenuLength:Number =


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AS3 :: Flash - Dispatch An Event DOWN The Display List (instead Of Up)?

Dec 15, 2009

Consider this (psuedo-code):

var country = new Country();
var state = new State();


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Flash Cs4 :: How To Display Image In List Component

Dec 1, 2010

I used a List Component in my flash, and now I have to display image in the List component instead just text.

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Actionscript 3 :: Dispatching From An Object Not In The Display List?

Feb 24, 2011

I have an object that controls another object that is on the display list.

The setup looks like this:

Parent (Main Timeline)
- Child
-- Grandchild --> contains instance of behaviour class that controls the grandchild's movement

I have an event in the "behaviour" that I'd like to reach the parent, but the behavior does not extend Sprite or MovieClip.

How can I get this event to reach the parent?

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Actionscript 3 :: Removing Object From The Display List?

May 10, 2011

I have an application that uses a main class to control other MovieClips, adding and removing them as needed, most of them are separate screens or sub menus.

When I leave the main menu and come back to it later from another screen, certain animations and roll over buttons still play, which I don't want, I basically need the main menu screen to reset every time it is seen.

I read up on this and found out that removing the child doesn't necessarily remove it from the memory.

I tried setting the mainmenu to null before moving onto a different screen but this threw up an error, stating that the parameter child must be none null.

how to completely kill my mainmenu when it is not needed.

public function confSubMenuOneScreen():void {
subMenuOneScreen = new SubMenuOne();
mainmenu = null;


This is the example of code that removes the menu and adds another screen, with the mainmenu = null code that throws up the error.

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Flex :: Display Grid Lines In A List?

May 27, 2011

I am using a spark list control to display certain items with my custom Item Renderer. I am trying to achieve the following: (1) show a separating line between rows in my list control (2) even when not a single row has been added, I want a horizontal grid lines to be displayed in the background

I am not sure whether (1) and (2) can be achieved in one go. I can solve (1) by modifying my item renderer to have a border, I guess. But I want to know whether there is a better or more conventional way.

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