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

SameDate

Check whether two TDateTimevalues have the same date part.

Declaration

Source position: dateutil.inc line 355

function SameDate(

  const A: TDateTime;

  const B: TDateTime

):Boolean;

Arguments

A

  

First DateTime value

B

  

Second DateTime value

Function result

Trueif Aand Bhave the same time part, Falseif not

Description

SameDatecompares the date parts of two timestamps Aand Band returns Trueif they are equal, Falseif they are not.

The function simply checks whether CompareDatereturns 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.

SameDateTime

  

Check whether two TDateTimevalues have the same date and time parts.

SameTime

  

Check whether two TDateTimevalues have the same time part.

Example

Program Example102;

{ This program demonstrates the SameDate 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 date as ');
  Writeln(FormatDateTime(Fmt,D2),' : ',SameDate(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.