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DaysBetween ​

Declaration ​

function DaysBetween(const ANow: TDateTime; const AThen: TDateTime): Integer;

Example ​

pascal
procedure OnMapEvent(var Value:Variant);
begin
  Value := DaysBetween(Date, Date+4); //returns 4 being the days between the two dates
end;

Description ​

Returns the number of days between two dates. The ordering of the two dates doesn't matter - the number of days will not be negative.

DaysBetween counts only whole days. Thus, DaysBetween reports the difference between Dec 31, 1999 11:59 PM and Jan 1, 2000 11:58 PM as 0 because the difference is one minute short of an entire day.