Im_Appl_Break_Status - Intermec Janus 2010 Reference Manual

im_appl_break_status

im_appl_break_status
Purpose: This function checks whether the application break sequence has been
pressed. All PSK functions are terminated when the application break
sequence is keyed in.
Place calls to this function at strategic locations in your program to detect
when a user wants to break out of a loop. Your program can determine
what action to take when the break sequence is detected.
With Intrmecd_IO, Intrmecp_IO;
Syntax:
Use Intrmecd_IO, Intrmecp_IO;
None.
IN Parameter:
The break_status parameter is one of the following constants:
OUT Parameter:
IM_REQUEST_NOT_MADE
IM_REQUEST_MADE
The status_code is one of the standard status codes defined in Appendix A,
"Status Codes."
None.
Return Value:
The break_status flag is reset each time this routine is called. Because this
Notes:
function is also called during the input routines provided in the library, you
should check the return code from input functions for the hex value 8515H.
This value indicates that the input function has terminated because the
application break sequence was entered. In this case, the break_status flag is
cleared by the input function's call to im_appl_break_status.
3-6
procedure im_appl_break_status (
break_status : Out IM_APPBREAK_STATUS;
status_code : Out System.Word);
Request for an application break has not
been made
Request for an application break has been
made