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Message1. Hide from task manager
#1166
Posted by: 2004-02-29 06:24:00
Hi

I need to make a program that doesn't appear in the task manager, so you won't be able to close it with CTRL+ALT+DEL.  I know there is a way, because I have done it before with a code someone posted long ago, but the old forum from Ezboard got spammed and all that information got lost.  Please help !
Message2. Re: Hide from task manager
#1167
Posted by: 2004-02-29 11:48:47
it only works in windows 9x
i always disabled ALT+CTL+DEL to use SystemParametersInfo API (it only works in windows 9x)
what to do is following..

DECLARE SUB  SystemParametersInfo LIB "user32" ALIAS "SystemParametersInfoA" _
         (ByVal uAction As Long, ByVal uParam As Long, ByVal lpvParam As String, ByVal fuWinIni As Long)

const SPI_SCREENSAVERRUNNING = 97

to disable to CTR+ALT+DEL type to
SystemParametersInfo(SPI_SCREENSAVERRUNNING ,1,1,0)

and then, enable to ALT+CTL+DEL type it
SystemParametersInfo(SPI_SCREENSAVERRUNNING ,0,1,0)

then i will tell you how to hide from task bar (it only works in windows 9x)  .

DECLARE SUB  RegisterServiceProcess lib "kernel32" ALIAS "RegisterServiceProcess" _
         (dwProcessId As Integer,dwType As Integer)

CONST RSP_SIMPLE_SERVICE = 1
CONST RSP_UNREGISTER_SERVICE = 0

to hide from task bar code it like to
RegisterServiceProcess(0, RSP_SIMPLE_SERVICE)

to show , unregister service to
RegisterServiceProcess(0, RSP_UNREGISTER_SERVICE)


oh goood!! it works....but i can't prevent ALT+F4 function on windows 9x...

Message3. Re: Hide from task manager
#1168
Posted by: 2004-02-29 12:10:44
sorry i mistyped ..
not `taskbar' but `Task Maneger'

and  please anyone tell me how to disable Ctl+Alt+Del on Windows XP..

ALt + Tab ,ad Alt +F4 can be disabled by using RegisterHotKey API on windows XP...

DECLARE FUNCTION RegisterHotKey LIB "USER32" ALIAS "RegisterHotKey" _
                 (hWnd AS LONG, ID AS LONG, fsModifiers AS LONG, _
                  vk AS LONG) AS LONG
DECLARE SUB UnRegisterHotKey LIB "USER32" ALIAS "UnregisterHotKey" _
                 (hWnd AS LONG, ID AS LONG)

CONST MOD_CTRL = &H2
CONST MOD_SHFT = &H4
CONST MOD_ALT = &H1

to disable ....

IF RegisterHotKey(Form.Handle, 0, MOD_ALT, 115) = 0 THEN
 
showMessage "ALT+F4 is already Used!!"

END IF  

IF RegisterHotKey(Form.Handle, 1, MOD_ALT ,9) = 0 THEN

showMessage "ALT+TAB is already Used!!"

END IF


to enable....

UnRegisterHotKey(Form.Handle, 0)
UnRegisterHotKey(Form.Handle, 1)

Thanks  !!!

Tomonari,

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