Icon SubtractTimeFromTimeAsDayTime Method

__int64 __fastcall
      SubtractTimeFromTimeAsDayTime(System::TDateTime FirstValue,
      System::TDateTime SecondValue, TEDBDayTimeIntervalType
      DayTimeIntervalType)

Call the SubtractTimeFromTimeAsDayTime method to subtract a time value from another time value, returning the result as a day-time interval.

Information In ElevateDB, day-time intervals are Int64 values that represent the number of milliseconds that have elapsed between two points in time. Use the TEDBEngine DayTimeIntervalToSQLStr method to convert a day-time interval into a readable string.
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