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Information is passed back to the client application in arrays. By default the arrays are:
^TMP("DIHELP",$J) for help ^TMP("DIMSG",$J) for other user messages ^TMP("DIERR",$J) for error messages
NOTE: In traditional VA FileMan Classic calls, the first two of these types of messages are written directly to the screen; the last one did not exist or consisted solely of "<BEEP>??".
In addition, there is an output variable associated with each of these arrays. DIHELP and DIMSG equal the number of nodes of text associated with their respective arrays. DIERR has the following two pieces: number_of_errors^number_of_nodes_of_text.
If the client application wants the data returned in another array (local or global), the array's closed root should be passed as a parameter in the DBS call. The major DBS calls have a parameter to accept this root as the last parameter. Thus, if the call looks like:
information is returned in:
MYMSGS("DIHELP") MYMSGS("DIMSG") MYMSGS("DIERR")
Also, the values stored in the corresponding local variables are put into the top level nodes of these arrays. When the application specifies an array for output, nothing is returned in the ^TMP arrays.
Reviewed/Updated: March 10, 2007