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[Susan_Yang]

Can anybody explain in Rexx, when shall we use CONTROL ERROS RETURN and when shall we use CONTROL ERROS CANCEL to handle errors? Thanks

[semigeezer]

if you want ISPF to return a return code when a service gets a return code greater than 8, use CONTROL ERRORS RETURN. Use CONTROL ERRORS CANCEL when you want ISPF to terminate the application when a service returns a return code greater than 8. Good programming practice would have you handle the return code, but for debugging, it is often helpful to let ISPF terminate the application with an error message box.

(check the doc. I can't remember if it is >8 or >=8 )
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