Custom error enum in RTD

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Custom error enum in RTD
Kiru Marimuthu

Posts: 26
Joined: 2017-07-20

I have Rtd server wrapped in Udf exactly as said this series of articles here.

I would like to return my own errors from Rtd server back to Udf. I can see errors like ErrDiv0, ErrNA, ErrName available to use.
But I need something of my own enum of errors like this.

    public enum RtdError


But they return their enum value, for eg: if I send APiInvalidRequest I get the value 1 in the Udf.
Please suggest the best way to pass my error enums from Rtd to Udf.

Posted 08 Feb, 2018 10:20:28 Top
Andrei Smolin

Add-in Express team

Posts: 14966
Joined: 2006-05-11
Hello Kiru,

In your scenario, an RTD server may return an object that the UDF would interpret and convert to a value that Excel is able to display, e.g. this string: "Authentication failed".

Regards from Belarus (GMT+3),

Andrei Smolin
Add-in Express Team Leader
Posted 09 Feb, 2018 04:44:02 Top