turn off num lock, scroll lock

KlausL

Delphi Developer

Wed, 18 Jun 1902 08:00:00 GMT

turn off num lock, scroll lock

Quote

Robert J.N. Speirs wrote in message ...
>Please post a procedure to turn off num lock,
>and a procedure to turn off scroll lock.

Please read Prof. Salmi's FAQs, posted here
once every week. FAQPAS4, Question 77
deals with your query.

KlausL

Olivier Avene

Delphi Developer

Wed, 18 Jun 1902 08:00:00 GMT

Re:turn off num lock, scroll lock

Robert J.N. Speirs <spe...@primus.ca> a crit :

Quote

> Please post a procedure to turn off num lock,
> and a procedure to turn off scroll lock.

Real mode:
Mem[$0040:$17]:=Mem[$0040:$17] or $20; {NumLock ON}
Mem[$0040:$17]:=Mem[$0040:$17] and (not $20); {NumLock OFF}
{NumLock: $20, ScrollLock: $10, CapsLock: $40}

Protected mode: {use Seg0040 instead of $0040}
Mem[Seg0040:$17]:=Mem[Seg0040:$17] or $20;

Windows:
uses WinProcs, WinTypes; {also Win31 for VK_SCROLL}
var KeyState: TKeyboardState;
begin
GetKeyboardState(KeyState);
KeyState[VK_NUMLOCK]:=#1; {#0: OFF, #1: ON}
SetKeyboardState(KeyState);
end.
{VK_CAPITAL for CapsLock, VK_SCROLL for ScrollLock}
___________
Olivier Avenel SPEC / CEA-Saclay 91191 Gif-sur-Yvette Cedex France
ave...@drecam.saclay.cea.fr

The Scarlet Manu

Delphi Developer

Wed, 18 Jun 1902 08:00:00 GMT

Re:turn off num lock, scroll lock

Bullwinkle J. Moose <Bullwin...@minn.usa> wrote:

Quote

> Procedure for num lock:
> Press and release the "Num Lock" button
> ONCE (on most keyboards, it's located in the
> upper left hand corner of the keyPAD area).
> I don't know how to do the scroll lock -
> perhaps somebody else knows the procedure
> for that?

Doesn't your keyboard have a scroll lock button? Mine does... (in between
Print Screen/SysRq and Pause/Break).

--
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