# What mean

**URL:** <https://forum.kirupa.com/t/what-mean/261205>\
**Category:** Uncategorized\
**Created:** [May 24, 2008, 7:05am UTC](https://forum.kirupa.com/t/what-mean/261205 "2008-05-24T07:05:32Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![kv79](https://avatars.discourse-cdn.com/v4/letter/k/47e85d/32.png) [@kv79](https://forum.kirupa.com/u/kv79)\
**Post date:** [May 24, 2008, 7:05am UTC](https://forum.kirupa.com/t/what-mean/261205/1 "2008-05-24T07:05:32Z")

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Hi all,

```auto

var stageDetector:StageDetector = New StageDetector(this); 

```

I can’t find in reference StageDetector .

and

```auto

setChanged();

```

I can’t find this ether .

I do not know what it means .

Thanks for reading .

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**Author:** ![krilnon](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/krilnon/32/34_2.png) [@krilnon](https://forum.kirupa.com/u/krilnon)\
**Post date:** [May 24, 2008, 7:18am UTC](https://forum.kirupa.com/t/what-mean/261205/2 "2008-05-24T07:18:36Z")

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Presumably _Essential ActionScript 3.0_ by Colin Moock would explain the purpose of that class. The class appears to be his creation. _setChanged_ is probably something that he wrote as well.

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**Author:** ![kv79](https://avatars.discourse-cdn.com/v4/letter/k/47e85d/32.png) [@kv79](https://forum.kirupa.com/u/kv79)\
**Post date:** [May 24, 2008, 7:31am UTC](https://forum.kirupa.com/t/what-mean/261205/3 "2008-05-24T07:31:52Z")

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That book , only explain purpose .  
I want to find it in the reference .  
And btw those \*\*this \*\*in the StageDetector are confusing me .

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**Author:** ![Anogar](https://avatars.discourse-cdn.com/v4/letter/a/ed655f/32.png) [@Anogar](https://forum.kirupa.com/u/Anogar)\
**Post date:** [May 24, 2008, 7:34am UTC](https://forum.kirupa.com/t/what-mean/261205/4 "2008-05-24T07:34:21Z")

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It’s a custom class, there is no formal reference.

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<div class="post-metadata">

**Author:** ![kv79](https://avatars.discourse-cdn.com/v4/letter/k/47e85d/32.png) [@kv79](https://forum.kirupa.com/u/kv79)\
**Post date:** [May 24, 2008, 7:59am UTC](https://forum.kirupa.com/t/what-mean/261205/5 "2008-05-24T07:59:25Z")

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oh ,thanks I found it in the book on the page 529 .  
Author did not mention in the preface of his book that I must have a super memory .😃

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**Author:** ![Felixz](https://avatars.discourse-cdn.com/v4/letter/f/ecb155/32.png) [@Felixz](https://forum.kirupa.com/u/Felixz)\
**Post date:** [May 24, 2008, 10:10am UTC](https://forum.kirupa.com/t/what-mean/261205/6 "2008-05-24T10:10:34Z")

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I see u have used New in upper case, should be lower case