Unit 'DateUtils' Package
[Overview][Constants][Classes][Procedures and functions][Index] [#rtl]

SecondsBetween

Calculate the number of whole seconds between two TDateTime values.

Declaration

Source position: dateutil.inc line 284

function SecondsBetween(

  const ANow: TDateTime;

  const AThen: TDateTime

):Int64;

Arguments

ANow

  

First moment in time.

AThen

  

Second moment in time.

Function result

Number of seconds between ANow and AThen.

Description

SecondsBetween returns the number of whole seconds between ANow and AThen. This means the fractional part of a second (milliseconds etc.) is dropped.

See also

YearsBetween

  

Calculate the number of whole years between two TDateTime values.

MonthsBetween

  

Calculate the number of whole months between two TDateTime values.

WeeksBetween

  

Calculate the number of whole weeks between two TDateTime values.

DaysBetween

  

Number of whole days between two TDateTime values.

HoursBetween

  

Calculate the number of whole hours between two TDateTime values.

MinutesBetween

  

Calculate the number of whole minutes between two TDateTime values.

MilliSecondsBetween

  

Calculate the number of whole milliseconds between two TDateTime values.

Example

Program Example61;

{ This program demonstrates the SecondsBetween function }

Uses SysUtils,DateUtils;

Procedure Test(ANow,ThenDateTime);

begin
 Write('Number of seconds between ');
 Write(TimeToStr(Thenand ',TimeToStr(ANow));
 Writeln(' : ',SecondsBetween(ANow,Thenow));
end;

Var
  D1,D2 : TDateTime;

Begin
  D1:=Now;
  D2:=D1-(999*OneMilliSecond);
  Test(D1,D2);
  D2:=D1-(1001*OneMilliSecond);
  Test(D1,D2);
  D2:=D1-(2001*OneMilliSecond);
  Test(D1,D2);
  D2:=D1-(5001*OneMilliSecond);
  Test(D1,D2);
  D2:=D1-(5.4*OneSecond);
  Test(D1,D2);
  D2:=D1-(2.5*OneSecond);
  Test(D1,D2);
End.

Documentation generated on: Dec 10 2024