i want to know how to disable CTRL-ATL-DEL in Win2k / WinXP?

i found a shareware component called dWinLock. the component can disable it and other winkey combination even the 'winkey' on the keyboard. the problem is its a shareware

waiting for you kind reply

thanks in advance
norman

Sorry wrong click....

disable CTRL-ATL-DEL in Win2k / WinXP:


uses
registry;


Procedure TaskManager(Const status:Boolean);
var
Reg: TRegistry;
begin
Reg := TRegistry.Create;
try
Reg.RootKey := HKEY_CURRENT_USER;
if
. OpenKey('\Software\Microsoft\Windows\CurrentVersion\Policiesies\System',True)
then
Reg.WriteInteger('DisableTaskMgr',Integer(Status));
finally
Reg.CloseKey;
Reg.Free;
end;
end;



//Disabled := True;
//Enabled := False;
procedure TForm1.Button1Click(Sender: TObject);
begin
TaskManager(true); //Taskmanager deaktivieren
end;

this code it's wrong!

program small;
{written by rleigh@deakin.edu.au (Richard Leigh, Deakin Univesity 1997}

uses WinProcs;

{$R *.RES}

var
Dummy : integer;

begin
Dummy := 0;
{Disable ALT-TAB}
SystemParametersInfo( SPI_SETFASTTASKSWITCH, 1, @Dummy, 0);
{Disable CTRL-ALT-DEL}
SystemParametersInfo( SPI_SCREENSAVERRUNNING, 1, @Dummy, 0);
end.

//This code did not work on vista.

i want to know how to disable CTRL+ALT in WinXP/vista/WinServer2008 ?

i don't know how to do it ,and i looking for the code for a long time ,but i did't find it ,can u help me with it ? thanks , my e-mail:guo_qiang@live.com
thanks

fact u

@guo, http://google.com/s..CTRL%2BALT

thanks for all of u , i have already resolve this problem, but the code i forgot now, but i will post it here when i use my own computer, the code is on my own computer...
thanks again