
Programming Manual
25
KeypadLEDOn
This function always turns on or off keypad LED.
DWORD
KeypadLEDOn
{
BOOL
bOn
}
Parameters
bOn
[in] Flag that indicates whether turn on keypad LED(TRUE) or turn off keypad
LED(FALSE).
Return Values
If function succeeds, the return value is
E_FUNC_SUCCEED
. If function fails,
possible return value are
E_FUNC_ERROR
,
E_FUNC_PAR_ERROR
.
Remarks
The KeyPad LED setting in Control Panel is used to set the Keypad LED operation to
meet requirements. Called this function will change the KeyPad LED setting to always
on or off. You can use this function or KeyPad LED setting in Control Panel to always
turn on or off keypad LED.
Example
DWORD dwResult;
dwResult = KeypadLEDOn(TRUE);
if(dwResult != E_FUNC_SUCCEED)
AfxMessageBox(_T("KeypadLEDOn fail"));
Requirements
OS Versions:
Windows CE 5.0 and later.
Header:
sysapiax.h
Link Library:
sysapiax.lib
Link DLL:
sysapiax.dll
Device:
PA60
Содержание PA-60
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