If you're looking for an API that is going to make this simple, you're out of luck.
Just a small plug: in Palm OS Cobalt, with the Gc APIs, this is nearly trivial to do. Yes, yes, I know there aren't any devices out quite yet...
In fact my next newsletter column (due to be sent out this week I think) has sample code and an explanation. If you don't get it in email, look at http://www.palmsource.com/developer/newsletter/ in a few days.
-David Fedor PalmSource, Inc.
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