WithinPastMinutes

Check whether two datetimes are only a number of minutes apart

Declaration

Source position: dateutil.inc line 247

function WithinPastMinutes(

const ANow: TDateTime;

const AThen: TDateTime;

const AMinutes: Int64

):Boolean;

Arguments

`ANow`		First moment in time
`AThen`		Second moment in time
`AMinutes`		Number of minutes to check

Function result

True if ANow and Athen are only AMinutes apart, false otherwise

Description

WithinPastMinutes compares the timestamps ANow and AThen and returns True if the difference between them is at most AMinutes minutes apart, or False if they are further apart.

Remark:

Since this function uses the MinutesBetween function to calculate the difference in Minutes, this means that fractional minutes do not count, and the fractional part is simply dropped, so for two dates actually 2 and a half minutes apart, the result will also be True

WithinPastYears		Check whether two datetimes are only a number of years apart
WithinPastMonths		Check whether two datetimes are only a number of months apart
WithinPastWeeks		Check whether two datetimes are only a number of weeks apart
WithinPastDays		Check whether two datetimes are only a number of days apart
WithinPastHours		Check whether two datetimes are only a number of hours apart
WithinPastSeconds		Check whether two datetimes are only a number of seconds apart
WithinPastMilliSeconds		Check whether two datetimes are only a number of milliseconds apart

Example

Program Example52;

{ This program demonstrates the WithinPastMinutes function }

Uses SysUtils,DateUtils;

Procedure Test(ANow,AThen : TDateTime; AMinutes : Integer);

begin
 Write(DateTimeToStr(AThen),' and ',DateTimeToStr(ANow));
 Write(' are within ',AMinutes,' Minutes: ');
 Writeln(WithinPastMinutes(ANow,AThen,AMinutes));
end;

Var
  D1,D2 : TDateTime;

Begin
  D1:=Now;
  D2:=D1-(59*OneSecond);
  Test(D1,D2,1);
  D2:=D1-(61*OneSecond);
  Test(D1,D2,1);
  D2:=D1-(122*OneSecond);
  Test(D1,D2,1);
  D2:=D1-(306*OneSecond);
  Test(D1,D2,5);
  D2:=D1-(5.4*OneMinute);
  Test(D1,D2,5);
  D2:=D1-(2.5*OneMinute);
  Test(D1,D2,1);
  Test(D1,D2,2);
  Test(D1,D2,3);
End.