ActionScript 2.0 :: Dynamic TextField Scrollbar (No Component)

Jan 31, 2006

I would like to create a scrollbar for a dynamic textfield but do not want to use the common component. I found this script: [URL]. It seems very easy, but don't manage to have it work. And I don't understand how it manages the scrolling. it's only the 4 most essential lines I do not understand.

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Var scrollupper:Number =  ;var scrolllower:Number=  ;
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[code]....

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[Code]...

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[Code]....

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[Code]...

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[Code]...

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Code:
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[code].....

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[Code].....

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I parse an xml file that his content is:

Code:
<?xml version="1.0" encoding="utf-8"?>
<operators>
<operator><name>OPerator1 </name></operator>

[Code].....

I display the name of operator in a TextField after parsing the xml file my problem is to loop through this different TextField with a fade effect.

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I use AS3 which I keep separate from my fla project.

I have a contact page and the textfield where you type your message is an Input textfield with multiline and textwrap enabled. The height of my textfield allows for 5 lines of text, then you will have to start scrolling after that.

I use a my own scroll bar nested in a movieclip with instance name "txtScroller"
The Input textfield instance name is "messageText"

What I want to do: I want to hide the "txtScroller" mc and show it when the user has typed more than 5 lines of text (using enter to break to a new line, etc).

Now for my problem: The first part of the code works, the "txtScroller" mc is hidden, and I have even tested it with the trace function (see code bellow).

I can for the life of me NOT get the the second part to work, the part where i want to show "txtScroller" mc again. I've treid with the trace function as well but it shows nothing in the 'output' pannel (see code bellow).

The Code:
This is all I have with regards to hiding or showing the "txtScroller" mc.

Code:
if (messageText.numLines <= 5) {
trace("less");
txtScroller.visible = false;

[Code]....

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Edit: I forgot to mention that i want the actual scrollbar area to expand if i remove the arrows.

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