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

SameDate

Check whether two TDateTime values have the same date part.

Declaration

Source position: dateutil.inc line 378

function SameDate(

  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 time part, False if not

Description

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

The function simply checks whether CompareDate 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.

SameDateTime

  

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

SameTime

  

Check whether two TDateTime values 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.

Documentation generated on: May 14 2021