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Palm OS SDK 4.0 Update 1 out

I've been too busy to do updates since the PalmSource conference, but this just came in, and I think it is important to all Palm OS developers.

The final version of Palm OS SDK 4.0 Update 1 is available now from the tools page on palmos.com, for Windows, MacOS, and *nix. For convenience, here's a direct link to the SDK page:

http://www.palmos.com/dev/tools/sdk/sdk2452534/sdk40.html

This is an incremental update to SDK 4.0; if you don't have SDK 4.0 yet, you must install it first. You should always use the latest Palm OS SDK, even if developing appliations for older versions of Palm OS. (Just make sure not to use new features on older devices.)

Among other things, this SDK update adds lots of new PalmOSGlue functions (for safe access to UI structures), new system notifications, and carbonized Mac tools.

Regards,
Owen G. Emry
-----
DTS Engineer
Palm, Inc.

Converting seconds

If you are converting times represented as second counts from Palm OS to Windows or Unix, you'll discover that the systems use different start times for their count of seconds. On Palm OS, a second count is an unsigned 32-bit value counting seconds from January 1st, 1904. On Windows and Unix, you have a signed 32-bit value based on January 1st, 1970. For reference, the number of seconds between those two start date-times is 2082844800. This number was produced by plugging the 1970 date into the Palm OS routine TimDateTimeToSeconds, so it should be accurate.

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Copyright © 2004 Benjamin L. Combee
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