Equivalent for TzSpecificLocalTimeToSystemTime() on win2k?

One of our developers used this call:

TzSpecificLocalTimeToSystemTime() bu开发者_C百科t unfortunately we cannot keep it as the code must work on Win2K as well.

What alternatives are there for similar functionality?

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There is no equivalent, not even with WINE. It relies on timezone info stored in the registry, retrieved with GetTimeZoneInformation(). Note how the WINE code ends up in find_reg_tz_info(). That info is just missing in Win2k.

You'd have to create your own timezones table.

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If you're open to including LGPL code in your project, you could grab that function's implementation from Wine.