盒子论坛 v2.1

偶在复习多媒体准备考试人懒惰了所以没回答嘛

unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls;
const
  WM_SNAPHOTKEY2=WM_USER + 102;
  WM_SNAPHOTKEY3=WM_USER + 103;
  WM_SNAPHOTKEY4=WM_USER + 104;
  WM_SNAPHOTKEY5=WM_USER + 105;
type
  TForm1 = class(TForm)
    Timer1: TTimer;
    procedure FormDestroy(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
  private
    { Private declarations }
    procedure ONHotkey(var message:Tmessage);message WM_HOTKEY;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}
procedure TForm1.ONHotkey(var message:Tmessage);
begin
  case message.WParam of
   WM_SNAPHOTKEY2:showmessage('左');
   WM_SNAPHOTKEY3  :showmessage('右');
   WM_SNAPHOTKEY4  :showmessage('下');
   WM_SNAPHOTKEY5  :showmessage('上');
  end;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
UnregisterHotKey(Handle,WM_SNAPHOTKEY2);
UnregisterHotKey(Handle,WM_SNAPHOTKEY3);
UnregisterHotKey(Handle,WM_SNAPHOTKEY4);
UnregisterHotKey(Handle,WM_SNAPHOTKEY5);

end;

procedure TForm1.FormShow(Sender: TObject);
begin
RegisterHotKey(Handle,WM_SNAPHOTKEY2,0   , VK_LEFT);
RegisterHotKey(Handle,WM_SNAPHOTKEY3,0   , VK_RIGHT);
RegisterHotKey(Handle,WM_SNAPHOTKEY4,0   , VK_DOWN);
RegisterHotKey(Handle,WM_SNAPHOTKEY5,0   , VK_UP);

end;

procedure TForm1.Timer1Timer(Sender: TObject);
var
  ppt:TPoint;
begin
GetCursorPos(ppt);
if (ppt.X >=Left ) and(ppt.X <=Left+Width ) then
begin//-1
if top<0 then
   begin//1
    top:=-(Height-1);
   end;//1
if top>1 then
     exit;
if ppt.y < top+height then
      begin//2
       top:=1;
      end//2
      else
       begin//3
       top:=-(Height-1);
       exit;
       end;//3
end;//-1
end;

end.

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作者：

crazy (疯子)	★☆☆☆☆	-
	盒子活跃会员

2003/12/20 0:36:17

3楼：

可以用判断当前窗体在何位置的方法也可以达到
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春花秋月何時了

往事知多少

小樓昨夜又東風

作者：

chen56 (无知无觉)	★☆☆☆☆	-
	盒子活跃会员

2003/12/24 14:34:19

4楼：

我想的是用hook 判断，是否在屏幕边上，来决定是否显示，不过不知道怎么写！
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作者：

chen56 (无知无觉)	★☆☆☆☆	-
	盒子活跃会员

2003/12/24 14:38:42

5楼：

而３楼的，说的也无不可，不过在运行其他程序时呢？
自己的程序还是不能捕获message嘛！
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作者：

bios (阿贡)	★☆☆☆☆	-
	盒子中级会员

2003/12/24 14:45:01

6楼：

如果要捕获 MESSAGE 偶是不会但偶这个自己都在用
没问题能解决的简单尽量简单无须那么专业和复杂

！
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