static extern uint GetTimeZoneInformation(out TIME_ZONE_INFORMATION

/// <param name="lpTimeZoneInformation">[out] Pointer to a TIME_ZONE_INFORMATION structure to receive the current time-zone parameters.</param>

/// The system is operating in the range covered by the StandardDate member of the TIME_ZONE_INFORMATION structure.

/// The system is operating in the range covered by the DaylightDate member of the TIME_ZONE_INFORMATION structure.

/// <param name="lpTimeZoneInformation">[in] Pointer to a TIME_ZONE_INFORMATION structure that contains the time-zone parameters to set.</param>

DYNAMIC_TIME_ZONE_INFORMATION

static extern bool SetTimeZoneInformation([In] ref TIME_ZONE_INFORMATION

        /// <param name="lpTimeZoneInformation">[out] Pointer to a TIME_ZONE_INFORMATION structure to receive the current time-zone parameters.</param>

        /// The system is operating in the range covered by the StandardDate member of the TIME_ZONE_INFORMATION structure.

        /// The system is operating in the range covered by the DaylightDate member of the TIME_ZONE_INFORMATION structure.

        /// <param name="lpTimeZoneInformation">[in] Pointer to a TIME_ZONE_INFORMATION structure that contains the time-zone parameters to set.</param>

    public struct TIME_ZONE_INFORMATION

    Private Structure TIME_ZONE_INFORMATION