How do I use a custom class within a Flex MXML app?

[jfoley]

Ok, here I go...
How do I use a custom class within a Flex MXML app? I created a Papervision 3D project that is wrapped in an as3 class...

Now how do I instantiate it in MXML?

[Sleeve]

With your flex project open choose Project>>Properties and select 'Felx build Path' add a new folder and browse for your papervision package. Now you should be able to instantiate your custom classes from within your project.

Good Luck!

[Flash Gordon]

keep in mind your display objects have to inheritant from UIComponent Sprite something or other (or IUIComponent) or you can't added it to an mx container.

[Sleeve]

Exactly, adding objects to anything that extends Container or otherwise uses ConstraintColumns and ConstraintRows needs to be or extend UIComponent because the LayoutManager needs access to setActualSize, updateDisplayList, InvalidateDisplayList etc. on the child object. Else, add it to a UIComponent and add the UIComponent to the container. Else, do it right and refactor your code to extend UIComponent then override createChildren(), childrenCreated(), measure(), commitProperties(), updateDisplayList() and a few others to layout your component.