mc_about.~pas

1、系统环境要求：所有程序均在Windows98/XP操作系统下测试运行。 2、建议用户在系统上安装DELPHI7.0企业版。 3、如果数据库为SQL Server数据库

unit MC_About;

interface

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

type
  TAbout = class(TForm)
    Image1: TImage;
    Bevel1: TBevel;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Timer1: TTimer;
    SpeedButton1: TSpeedButton;
    Label10: TLabel;
    Label11: TLabel;
    Label12: TLabel;
    Label13: TLabel;
    Label14: TLabel;
    procedure FormShow(Sender: TObject);
    procedure FormHide(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure SpeedButton1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  About: TAbout;

implementation

{$R *.DFM}

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

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

procedure TAbout.Timer1Timer(Sender: TObject);
Var r,g,b:integer;
    Year,Month,Day: Word;
begin
     //Canvas.TextOut(Random(Width), Random(Height), 'Boo!');
     Label9.Font.Color:=RGB(255,Random(r),Random(g));
     SpeedButton1.Font.Color:=RGB(255,Random(g),Random(b));
     DecodeDate(StrToDate(DateTOStr(Date)),Year,Month,day);
     if day=29 then
        begin
             Label8.visible:=True;
             Label9.visible:=True;
        end
     else
        begin
             Label8.visible:=False;
             Label9.visible:=False;
        end;
end;

procedure TAbout.SpeedButton1Click(Sender: TObject);
begin
     Close;
end;

end.