Way's Blog » ArrayCollection http://way.cubeforge.net/blog Hong Kong Adobe Flex Developer Fri, 06 Jan 2012 04:04:59 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Copying an ArrayCollection http://way.cubeforge.net/blog/2008/08/copying-an-arraycollection/ http://way.cubeforge.net/blog/2008/08/copying-an-arraycollection/#comments Sun, 24 Aug 2008 09:03:00 +0000 Way http://way.cubeforge.net/blog/?p=246 There are multiple ways to copy an arraycollection ..

1. ac1 = ac2;
2. ac1 = new ArrayCollection (ac2.source);
3. ac1 = ObjectUtil.copy (ac2) as ArrayCollection;

Method 1 copy the ac by reference.
Method 2 will create an new ac instance, but the value (array) inside two ac are still the same.
Method 3 will create completely two different objects.

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