31-07-2011, 01:41 PM
كود :
var
fromdate, toDate : TDateTime;
begin
// Set up our date variables
fromDate := EncodeDateTime(2000, 02, 26, 10, 0, 0, 0);
toDate := EncodeDateTime(2000, 02, 29, 9, 0, 0, 0);
// Display these dates and the days between them
ShowMessage('From date = '+DateTimeToStr(fromDate));
ShowMessage('To date = '+DateTimeToStr(toDate));
ShowMessage('Whole days difference = '+
IntToStr(DaysBetween(toDate, fromDate))+' days');
end;إقتباس :Show full unit code
From date = 26/02/2000 10:00:00
To date = 29/02/2000 09:00:00
Whole days difference = 2 days
or
use:
DateUtils, IdGlobalProtocols
كود :
procedure TForm1.Button1Click(Sender: TObject);
var
day, hour: Integer;
fromdate, toDate: TDateTime;
begin
fromdate := Date1.Date;
toDate := Date2.Date;
day := DaysBetween(toDate, fromdate);
fromdate := Date1.Time;
toDate := Date2.Time;
hour := DaysBetween(toDate, fromdate) ;
hour :=hour + day*24 ;
heure1.Text := IntToStr(hour) ;
// day := CompareDateTime(Date2.DateTime, Date1.DateTime ) ;
// hour := CompareDateTime(Date2.Time, Date1.Time ) ; ;
// hour :=hour + day*24 ;
end;