Question about time stamp info stored in the file?

[Kuang Cao]

Hi, We need to acquire some research data in Europe with our software and then get the data sent over here (East coast US) for analysis. We tested to run the acquistion on a laptop with the time zone set to the place in Europe, but when burned/copied the data to a local-time-zone win2k machine, the time stamp got changed to the local time based on the difference of time zones. Since we want to keep the europe timestamp (or at lease being able to figure out that), I wonder how the time stamp info is stored in the file. Is there any existing function to simply get the local time of the file creation? I searched this forum and found the function SystemTimeToTzSpecificLocalTime(), but that would require us to tell the software that the data was acquired in a specific time zone, it would be the best if that time zone can be read out from the file directly. An interesting note, when we copied the burned file to a winnt machine, the time stamp was kept; when we copied the data from the winnt machine back to win2k, the time stamp was still kept, instead of getting swtiched based on local time zone. So somehow, the time zone info was lost when the file was copied to Winnt. Any explanations on this? Thanks a lot.

[WoutL]

About what kind of partitions are you talking? FAT or NTFS. Wout Louwers

[Kuang Cao]

NTFS. And the CD used CDFS.