about.pas

教材管理系统

unit about;

interface

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

type
  TFrmabout = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Timer1: TTimer;
    procedure Timer1Timer(Sender: TObject);
    procedure FormHide(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Frmabout: TFrmabout;

implementation

{$R *.dfm}

procedure TFrmabout.Timer1Timer(Sender: TObject);
Var
 g,b:integer;
begin
label1.Font.Color:=RGB(255,Random(g),Random(b));
label2.Font.Color:=RGB(255,Random(g),Random(b));
end;

procedure TFrmabout.FormHide(Sender: TObject);
begin
Timer1.Enabled:=False;
end;

procedure TFrmabout.FormShow(Sender: TObject);
begin
 Timer1.Enabled:=True;
end;

end.