the diff between "LONGNEXTLR"and"PREF_LINK"

luxiangyuan
luxiangyuan
in EMA

Hi

I develop with EMA(c++)

I decode the chain, I found the field "LONGNEXTLR"and"PREF_LINK" has the same value ,

what is the difference between them?

what are the effects of them?

thanks

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Best Answer

  • umer.nalla
    umer.nalla
    Answer ✓

    luxiangyuan

    According to some notes I found:

    If you are constructing a display trigger from the value in the PREF_DISP field, then your application should use the contents of the PREF_LINK field in the first chain header record. If the PREF_LINK field is empty within the first chain record, or if you are constructing a simple chain display, your application should use the contents of the LONGNEXTLR field.

    I suspect for your usage you can ignore PREF_LINK.

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