unit1.pas

模拟音响设备中纵向彩色LED指示表的控件

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ExtCtrls, StdCtrls, RLed;


type
  TForm1 = class(TForm)
    Timer1: TTimer;
    RLed1: TRLed;
    RLed2: TRLed;
    RLed3: TRLed;
    RLed4: TRLed;
    RLed5: TRLed;
    RLed6: TRLed;
    RLed7: TRLed;
    RLed8: TRLed;
    RLed9: TRLed;
    Button1: TButton;
    RLed10: TRLed;
    procedure Timer1Timer(Sender: TObject);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Timer1Timer(Sender: TObject);
begin
RLed1.Position:=Random(100);
RLed2.Position:=Random(100);
RLed3.Position:=Random(100);
RLed4.Position:=Random(100);
RLed5.Position:=Random(100);
RLed6.Position:=Random(100);
RLed7.Position:=Random(100);
RLed8.Position:=Random(100);
RLed9.Position:=Random(100);
RLed10.Position:=RLed10.Position+1;
if RLed10.Position=100 then RLed10.Position:=0;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
Close;
end;

end.