WeeksBetween

Calculate the number of whole weeks between two TDateTime values.

Declaration

Source position: dateutil.inc line 280

Arguments

Function result

Number of whole weeks between ANow and AThen.

Description

WeeksBetween returns the number of whole weeks between ANow and AThen. This means the fractional part of a Week is dropped.

See also

Example

Program Example57;

{ This program demonstrates the WeeksBetween function }

Uses SysUtils,DateUtils;

Procedure Test(ANow,ThenDateTime);

begin
 Write('Number of weeks between ');
 Write(DateToStr(Thenand ',DateToStr(ANow));
 Writeln(' : ',WeeksBetween(ANow,ThenANow));
end;

Var
  D1,D2 : TDateTime;

Begin
  D1:=Today;
  D2:=Today-7;
  Test(D1,D2);
  D2:=Today-8;
  Test(D1,D2);
  D2:=Today-14;
  Test(D1,D2);
  D2:=Today-35;
  Test(D1,D2);
  D2:=Today-36;
  Test(D1,D2);
  D2:=Today-17;
  Test(D1,D2);
End.