SameDate

Check whether two TDateTime values have the same date part.

Declaration

Source position: dateutil.inc line 365

  function SameDate(const A: TDateTime; const B: TDateTime) : Boolean;

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

Name Description
CompareDate Compare 2 dates, disregarding the time of day
CompareDateTime Compare 2 dates, taking into account 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.