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GetDynamicTimeZoneInformationEffectiveYears function

Gets a range, expressed in years, for which a DYNAMIC_TIME_ZONE_INFORMATION has valid entries. Use the returned value to identify the specific years to request when calling GetTimeZoneInformationForYear to retrieve time zone information for a time zone that experiences annual boundary changes due to daylight saving time adjustments.

Syntax

C++


DWORD WINAPI GetDynamicTimeZoneInformationEffectiveYears(
  _In_   const PDYNAMIC_TIME_ZONE_INFORMATION lpTimeZoneInformation,
  _Out_  LPDWORD FirstYear,
  _Out_  LPDWORD LastYear
);

Parameters

lpTimeZoneInformation [in]: Specifies settings for a time zone and dynamic daylight saving time.
FirstYear [out]: The year that marks the beginning of the range.
LastYear [out]: The year that marks the end of the range.

Return value

The range to pass to GetTimeZoneInformationForYear.

Remarks

Windows Phone 8: This API is supported.

Requirements

Minimum supported client	Windows 8 [desktop apps \| Windows Store apps]
Minimum supported server	Windows Server 2012 [desktop apps \| Windows Store apps]
Header	Winbase.h (include Windows.h)
Library	Advapi32.lib
DLL	Advapi32.dll

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