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SystemParametersInfo
Message
De
19/02/1999 13:54:00
Ray Watson
A Certified Electronics Co
Knoxville, Tennessie, États-Unis
 
 
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Forum:
Visual FoxPro
Catégorie:
Fonctions Windows API
Titre:
SystemParametersInfo
Divers
Thread ID:
00189403
Message ID:
00189403
Vues:
47
Hi,
When I use SystemParametersInfo to GET system parameters everything is OK, but when I try to SET a parameter the functions fail???

Win98 OS
TIA
Ray
(code follows)


#DEFINE SPI_GETSCREENSAVEACTIVE 16
#DEFINE SPI_SETSCREENSAVEACTIVE 17

DECLARE SHORT SystemParametersInfo IN WIN32API ;
INTEGER uiAction, SHORT uiParam, ;
INTEGER @pvParam, INTEGER fWinIni

lnvparm = 0
? (SystemParametersInfo(SPI_GETSCREENSAVEACTIVE,0, @lnvparm,0) # 0)

IF lnvparm = 0
liniparm = 1 && Enable Screen saver
? "Screen saver is being enabled"
ELSE
liniparm = 0 && Disable Screen Saver
? "Screen saver is being disabled"
ENDIF

? (SystemParametersInfo(SPI_SETSCREENSAVEACTIVE,liniparm,0,0) # 0)


Output----------------------
.T.
Screen saver is being disabled
.T.

Should be--------------------
.T.
Screen saver is being disabled
.F.
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