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TTimer/fi

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TTimer on komponentti, joka Se löytyy komponenttipaletin Standard-välilehdeltä. Se tuo ajastimen, jonka tarkkuus voidaan esittää millisekuntteina. Se perii suurimman osan ominaisuuksistaan TCustomTimer:ltä.

Lähtölaskentaesimerkki.

pascal
procedure TForm1.Timer1Timer(Sender: TObject);
begin
  Label1.Caption := Format('%d sec',[start]);
  Dec(start);
  if (start < 5) then Shape1.Brush.Color:=clYellow;
  if (start < 0) then begin
    Timer1.Enabled := False;
    Shape1.Brush.Color:=clGreen;
    Label1.Caption := 'Finished!';
  end;
end;
pascal

procedure TForm1.FormCreate(Sender: TObject);
begin
  Caption := 'Countdown calculation';
  Timer1.Interval := 1000;
  Timer1.Enabled := True;
  Label1.Caption := '';
  Shape1.Shape := stCircle;
  Shape1.Brush.Color:=clRed;
  start := 20;
end;

Katso myös


From the Free Pascal wiki, page "TTimer/fi", as it stood on 2019-11-09 after a change by Djzepi, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.

Revision 1, last changed by WikiArchive .

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