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Templates, Tools and Utilities
for Clarion Developers
Templates, Tools and Utilities
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Back to article list Search Articles Add Comment Printer friendly Direct link Par2: Set NumLock from Clarion app 2008-04-25 -- Daan Marais Ok, found the answer I was looking for in comp.lang.clarion, quoted here for
completeness: (credit to
Markku Niskanen)
Module ('Win API')
GetKeyboardState(*CSTRING),RAW,PASCAL
SetKeyboardState(*CSTRING),LONG,RAW,PASCAL
end
Global Variables
KeyboardState Cstring(257)
For your window or application, whichever you wish, set
the Timer value to 10 or something like that (that is, the
timer message is received every 1/10 seconds, which
should be sufficient).
Add to the Timer embed the following code:
GetKeyBoardState(KeyBoardState) ! Get state to buffer
KeyboardState[91H] =80H !
Result# = SetKeyboardState(KeyboardState) ! Set state
And that will do the trick!!
He (later) adds:
MSDN says
Because the SetKeyboardState function alters the input state of the calling
thread and not the global input state of the system, an application cannot use
SetKeyboardState to set the NUM LOCK, CAPS LOCK, or SCROLL LOCK lights on the
keyboard etc etc
Today is December 3, 2024, 11:52 am This article has been viewed 35228 times.
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