Rockwell Automation Allen-Bradley ControlLogix 1756-MVI Programming Reference Manual page 29

MVIbp_Close
Syntax:
int MVIbp_Close(MVIHANDLE handle);
Parameters:
handle handle returned by previous call to MVIbp_Open
Description:
This function is used by an application to release control of the API.
handle must be a valid handle returned from MVIbp_Open.
Once the API has been opened, this function should
IMPORTANT
always be called before exiting the application.
Return Value:
MVI_SUCCESS
MVI_ERR_NOACCESS
Example:
MVIHANDLE Handle;
MVIbp_Close(Handle);
See Also:
MVIbp_Open
API was closed successfully
handle does not have access
Publication 1756-RM004B-EN-P - October 2000
MVI Backplane API 3-7