Paxar Gold 6037EX, Programmer'S Manual

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4-44 Programmer’s Manual
s c n C l o s e S c a n n e r
Description
Disables the scanner. Be sure to disable the scanner only
when it is already enabled.
If the application enabled the scanner with scnOpenScanner,
♦
the application should disable the scanner at the end of
processing or immediately before any serial communications.
♦
this function sets the serial communications port back to
external RS-232 connection mode. It also restores the serial
port configuration settings (baud rate, parity, data bits, and
stop bits) saved when the application enabled the scanner.
Syntax
short far scnCloseScanner(void);
Parameters
None
Return Values
0 Successful.
-1 The scanner was already disabled.