It is not possible to use Flex components in pure Actionscript project officially. But there are times when you want to use them because they are easier to create or control such as DataGrid or DateChooser…
Here are some hints that might help you to use Flex components in Actionscript project:

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Guys from ScaleNine has posted some nice skin examples for the up coming Flex 4:)
More info at here.

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There are many ways that you can use to check the child existence for XML in AS3. Consider we have a data XML that we need to determine whether “video” node is existed or not:

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var myData:XML =
<data>
<item id="0">
<video>example.flv</video>
</item>
<item id="1">
<image>example.jpg</image>
</item>
</data>;
 
trace("Item with id = 0");
trace(myData.item.(@id == 0).video != undefined);
trace(myData.item.(@id == 0).child("video") != undefined);
trace(myData.item.(@id == 0).child("video").length());
trace("video" [...]

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I have played with “getObjectsUnderPoint()” method recently for detecting mouse and object but had some problems not detecting the movie clip that I wanted and found out that there is a bug with it on Adobe bug system. Basically it cannot find the object correctly after the Sprite’s parent’s scale or position changed…
So use “hitTestPoint()” [...]

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Here is a nice article by Colin Moock, discussing some issues that people have been facing while learning AS3. Below is the list of charges:
1. The removal of on()/onClipEvent() from Flash CS3 makes creating simple interactivity hard.
2. Getting rid of loaded .swf files is hard.
3. Casting [...]

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Floorplanner is a very cool Flex/PaperVision3d app that allows you to create and share interactive floorplans. You can design your dream house or rooms online now:)
Check out at Floorplanner.

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