我用的网上的一个代码:
后台监控软件,为了达到隐蔽监控的目的,应该满足正常运行时,不显示在任务栏上,在按Ctrl+Alt+Del出现的任务列表中也不显示,管理员可以通过热键调出隐藏的运行界面。要作到这些,必须把当前进程变为一个系统服务,并且定义全局热键。一、把当前进程变为一个系统服务: 目的是在任务列表中把程序隐藏起来。调用API函数RegisterServiceProcess实现。 二、定义全局热键(本例中定义热键Ctrl+Del+R),步骤: 1、定义捕获Windows消息WM_HOTKEY的钩子函数,即:procedure WMHotKey(var Msg : TWMHotKey); message WM_HOTKEY; 2、向Windows加入一个全局原子 Myhotkey: GlobalAddAtom(’MyHotkey’), 并保留其句柄。 3、向Windows登记热键:调用API函数RegisterHotKey实现。 三、源程序: unit Unit1;
interface
uses
Windows, Messages, Forms, Dialogs, Classes, Controls, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{热键标识ID}
id: Integer;
procedure WMHotKey(var Msg : TWMHotKey); message WM_HOTKEY;
{ Privat-Declarations}
public
{ Public-Declarations}
end;
var
Form1 : TForm1;
implementation
const RSP_SIMPLE_SERVICE=1;
function RegisterServiceProcess (dwProcessID, dwType: DWord) : DWord; stdcall; external ’KERNEL32.DLL’;
{$R *.DFM} {捕获热键消息}
procedure TForm1.WMHotKey (var Msg : TWMHotKey);
begin
if msg.HotKey = id then
ShowMessage(’Ctrl+Alt+R键被按下!’);
form1.Visible :=true;
end; procedure TForm1.FormCreate(Sender: TObject);
Const
{ALT、CTRL和R键的虚拟键值}
MOD_ALT = 1;
MOD_CONTROL = 2;
VK_R = 82;
begin
{首先判断程序是否已经运行}
if GlobalFindAtom(’MyHotkey’) = 0 then
begin
{注册全局热键Ctrl + Alt + R}
id:=GlobalAddAtom(’MyHotkey’);
RegisterHotKey(handle,id,MOD_CONTROL+MOD_Alt,VK_R);
end
else
halt;
end;
{把当前进程变为一个系统服务,从而在任务列表中把程序隐藏起来} procedure TForm1.Button1Click(Sender: TObject);
begin
RegisterServiceProcess(GetCurrentProcessID,RSP_SIMPLE_SERVICE);
form1.Hide;
end; procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;
{退出时释放全局热键}
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
UnRegisterHotKey(handle,id);
GlobalDeleteAtom(id);
end;
end.窗体隐藏了,可以热键根本不管用,请问原因
后台监控软件,为了达到隐蔽监控的目的,应该满足正常运行时,不显示在任务栏上,在按Ctrl+Alt+Del出现的任务列表中也不显示,管理员可以通过热键调出隐藏的运行界面。要作到这些,必须把当前进程变为一个系统服务,并且定义全局热键。一、把当前进程变为一个系统服务: 目的是在任务列表中把程序隐藏起来。调用API函数RegisterServiceProcess实现。 二、定义全局热键(本例中定义热键Ctrl+Del+R),步骤: 1、定义捕获Windows消息WM_HOTKEY的钩子函数,即:procedure WMHotKey(var Msg : TWMHotKey); message WM_HOTKEY; 2、向Windows加入一个全局原子 Myhotkey: GlobalAddAtom(’MyHotkey’), 并保留其句柄。 3、向Windows登记热键:调用API函数RegisterHotKey实现。 三、源程序: unit Unit1;
interface
uses
Windows, Messages, Forms, Dialogs, Classes, Controls, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{热键标识ID}
id: Integer;
procedure WMHotKey(var Msg : TWMHotKey); message WM_HOTKEY;
{ Privat-Declarations}
public
{ Public-Declarations}
end;
var
Form1 : TForm1;
implementation
const RSP_SIMPLE_SERVICE=1;
function RegisterServiceProcess (dwProcessID, dwType: DWord) : DWord; stdcall; external ’KERNEL32.DLL’;
{$R *.DFM} {捕获热键消息}
procedure TForm1.WMHotKey (var Msg : TWMHotKey);
begin
if msg.HotKey = id then
ShowMessage(’Ctrl+Alt+R键被按下!’);
form1.Visible :=true;
end; procedure TForm1.FormCreate(Sender: TObject);
Const
{ALT、CTRL和R键的虚拟键值}
MOD_ALT = 1;
MOD_CONTROL = 2;
VK_R = 82;
begin
{首先判断程序是否已经运行}
if GlobalFindAtom(’MyHotkey’) = 0 then
begin
{注册全局热键Ctrl + Alt + R}
id:=GlobalAddAtom(’MyHotkey’);
RegisterHotKey(handle,id,MOD_CONTROL+MOD_Alt,VK_R);
end
else
halt;
end;
{把当前进程变为一个系统服务,从而在任务列表中把程序隐藏起来} procedure TForm1.Button1Click(Sender: TObject);
begin
RegisterServiceProcess(GetCurrentProcessID,RSP_SIMPLE_SERVICE);
form1.Hide;
end; procedure TForm1.Button2Click(Sender: TObject);
begin
close;
end;
{退出时释放全局热键}
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
UnRegisterHotKey(handle,id);
GlobalDeleteAtom(id);
end;
end.窗体隐藏了,可以热键根本不管用,请问原因
热键应该是这么写的吧
unit Unit1;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
public
{ Public declarations }
hotkeyid :integer;
procedure WMhotkeyhandle(var msg:Tmessage);
message wm_hotkey; end;var
Form1: TForm1;implementation{$R *.DFM}
procedure TForm1.Wmhotkeyhandle
(var msg:Tmessage);
begin
if (msg.LParamHi=$41) and
(msg.lparamLo=MOD_CONTROL or mod_Alt) then
begin
msg.Result:=1;
application.BringToFront;
end;
end;procedure TForm1.FormCreate(Sender: TObject);
begin
hotkeyid:=GlobalAddAtom(pchar('UserDefineHotKey'))-$C000;
registerhotkey(handle,hotkeyid,MOD_CONTROL or mod_Alt,$41);end;procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
unregisterhotkey(handle,hotkeyid);
DeleteAtom(HotKeyID);
end;end.
热键应该可以用RegisterHotKey这个API来做的
我也不知道出了啥问题
热键是ctrl+alt+a