[Overview][Constants][Procedures and functions][Index] Reference for unit 'DateUtils' (#rtl)

SameDateTime

Check whether two TDateTime values have the same date and time parts.

Declaration

Source position: dateutil.inc line 364

function SameDateTime(

  const A: TDateTime;

  const B: TDateTime

):Boolean;

Arguments

A

  

First TDateTime value

B

  

Second TDateTime value

Function result

True if A and B have the same date and time parts, False if not.

Description

SameDateTime compares the date/time parts of two timestamps A and B and returns True if they are equal, False if they are not.

The function simply checks whether CompareDateTime returns zero.

See also

CompareDateTime

  

Compare 2 dates, taking into account the time of day

CompareDate

  

Compare 2 dates, disregarding the time of day

CompareTime

  

Compares two times of the day, disregarding the date part.

SameDate

  

Check whether two TDateTime values have the same date part.

SameTime

  

Check whether two TDateTime values have the same time part.

Example

Program Example101;

{ This program demonstrates the SameDateTime function }

Uses SysUtils,DateUtils;

Const
  Fmt = 'dddd dd mmmm yyyy hh:nn:ss.zzz';

Procedure Test(D1,D2 : TDateTime);

begin
  Write(FormatDateTime(Fmt,D1),' is the same datetime as ');
  Writeln(FormatDateTime(Fmt,D2),' : ',SameDateTime(D1,D2));
end;

Var
  D,N : TDateTime;

Begin
  D:=Today;
  N:=Now;
  Test(D,D);
  Test(N,N);
  Test(N+1,N);
  Test(N-1,N);
  Test(N+OneSecond,N);
  Test(N-OneSecond,N);
End.

Documentation generated on: Jun 23 2021