Software for 1746 I/O

6–4 Library of Routines OC_CloseScanner

Publication 1747-6.5.3 June 1998

OC_CloseScanner This function must always be called before exiting the application.

Syntax:

int OC_CloseScanner(HANDLE handle);

Parameters:

Description:

This function releases control of the scanner device, releases the interrupt assigned by OC_OpenScanner,

and disables the segment address assignment.

Return Value:

Considerations:

Supported in the DOS API library and the Windows NT API library

Example:

HANDLE Handle;

int retcode;

retcode = OC_CloseScanner( Handle );

Parameter: Description:

handle

Must be a valid handle returned from OC_OpenScanner

ATTENTION: The system might become unstable if you don’t call OC_CloseScanner before exiting

the application.

Name: Value: Description:

SUCCESS

scanner was closed successfully

ERR_OCACCESS

handle does not have access to the scanner