Argox pt-80 Mode D'Emploi
Display Related Functions
BacklightOn
This function will always turn on or off screen backlight.
DWORD BacklightOn
{
BOOL
bOn
}
Parameters
bOn
[in] Flag that indicates whether turn on screen backlight(TRUE) or turn off screen backlight(FALSE).
Return Values
. If function fails, possible return value are
.
Remarks
After this function turn on or off backlight, the backlight will always on or off. The backlight setting of display
properties in control panel does not work until terminal resets.
Example
DWORD dwResult;
dwResult
=
BacklightOn(TRUE);
if(dwResult != E_FUNC_SUCCEED)
AfxMessageBox(_T("BacklightOn
fail"));
Requirements
OS Versions: Windows CE 4.2 and later.
Header: sysapiax.h
Link Library: sysapiax.lib
Link DLL: sysapiax.dll
Device: PT80
Device: PT80
Programming Manual 9