[flexcoders] mx:List and mouse wheel scroll

Hi All, I am a complete noob to Flex and I am trying to figure out which property of the List control allows for mouse wheel scrolling. If this isn't a property, any idea how to implement mouse wheel scrolling when a vertical scroll bar is present? I have searched for this, but am coming up dry

[flexcoders] graphing flat data in Flex

I am looking through the graphing components that come with Flex and they seem straightforward. However, all of the examples use arrays as the data provider where calculations have already been performed. Data is rarely stored in the database that way, so I am wondering how users here obtain those