unit1.pas

Delphi7应用编程150例附书源码.rar

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, OleCtrls, VCFI, ExtCtrls, math;

type
  TForm1 = class(TForm)
    VtChart1: TVtChart;
    Timer1: TTimer;
    procedure Timer1Timer(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Timer1Timer(Sender: TObject);
begin
    self.VtChart1.Row:=0;
    self.VtChart1.Column:=0;
    self.VtChart1.Data:=FloatToStr(Random(200));
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
    Randomize();
end;

end.