unit1.pas

DELPHI7编程。 无鼠标焦点时自动向上滑动

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Button1: TButton;
    Timer1: TTimer;
    Timer2: TTimer;
    Timer3: TTimer;
    procedure Button1Click(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure Timer2Timer(Sender: TObject);
    procedure Timer3Timer(Sender: TObject);
    procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure FormShow(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  i:integer;
implementation

uses Unit2;

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
  close;//退出
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  if form1.top>-100 then form1.Top:=form1.Top-2;//向上收
  if form1.Top=-100 then timer1.Enabled:=false;//当到达一定的位置时停止
end;

procedure TForm1.Timer2Timer(Sender: TObject);
begin
  if form1.top<0 then form1.Top:=form1.Top+2;//向下
  if form1.top=0 then timer2.Enabled:=false; // 当到达一定的位置时停止
end;

procedure TForm1.Timer3Timer(Sender: TObject);
begin
  i:=i+1;
  if i=10 then             //每次累加1，当加满10次时向上收
  timer1.Enabled:=true;
end;

procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  if not timer1.Enabled then
  begin
   i:=0;                //若鼠标移动则重新累计
   timer2.Enabled:=true;
  end;
end;

procedure TForm1.FormShow(Sender: TObject);
begin
  form2.showmodal;          //form2出现，此时只有等到form2关闭才能继续向下执行
  form2.Free;                //释放form2所占的内存
  form1.Top:=0;
  form1.Left:=200;
  i:=0;                    //累计清0
end;

end.