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Countdown to 2000

Posted on 1999-01-09
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Last Modified: 2010-04-06
I'm looking to code a 2000 countdown timer.
Do you have any design advice ?
Have I to use label component and thread ? Or what else ?
I use TDate  component. Then I calculate the days to the 1/1/2000 How can I print the TDate value as dd/mm/yy hh:mm:ss ? I try with DateToStr but it's a value like dd/mm/yy.
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Question by:borgo
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6 Comments
 
LVL 20

Expert Comment

by:Madshi
ID: 1355527
Hmmm. I think it could be a small window with "formStyle:=fsStayOnTop" and either with a toolWindows borderStyle or with no border at all.
You could use a label component. But I would suggest a simple TTimer object to do the work. Normally you don't need a thread for this.
Then you could use the function DateTimeToSystemTime, which converts TDateTime to TSystemTime.
type
  TSystemTime = record
    wYear: Word;
    wMonth: Word;
    wDayOfWeek: Word;
    wDay: Word;
    wHour: Word;
    wMinute: Word;
    wSecond: Word;
    wMilliseconds: Word;
  end;
Then you can format the string yourself.

More questions? Please ask...  :-)

Regards, Madshi.
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LVL 27

Expert Comment

by:kretzschmar
ID: 1355528
hi borgo,

in addition to madshi a year 2000 Countdown

procedure TForm1.Timer1Timer(Sender: TObject);
Var
  R : Real;
begin
  r := StrToDateTime('01/01/2000 00:00:00') - Now;
  Label1.caption := FloatToStr(Int(r)) + ' Days ' +TimeToStr(r);
end;

meikl
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Expert Comment

by:Madshi
ID: 1355529
Hi meikl, looks nice...  :-)
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Author Comment

by:borgo
ID: 1355530
Thank you Madshi.
But I find that the kretzschmar's answer is easier than yours.


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LVL 20

Expert Comment

by:Madshi
ID: 1355531
No prob...
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LVL 27

Accepted Solution

by:
kretzschmar earned 50 total points
ID: 1355532
Hi Borgo,
you can the year2000 also place in a constant

const
  Y2000 = 36526; {the Value of 01/01/2000 00:00:00}

procedure TForm1.Timer1Timer(Sender: TObject);
Var
  R : Real;
begin
  r := Y2000 - Now;
  Label1.caption := FloatToStr(Int(r)) + ' Days ' +TimeToStr(r);
end;

meikl
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