i examined freeudflib and other links.

http://dn.codegear com/he/article/ 27204
<http://dn.codegear.com/he/article/27204>
and
http://www.ibphoeni x.com/main. nfs?a=ibphoenix& page=ibp_ howto5
<http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_howto5>
is not resolved this question.

freeudflib is fit this question.

i am writed udf with delphi but firebird send error 'invalid data
conversion'.


UDF is attached this mail.







Alex Gilev wrote:

>
> Hello,
>
> You can read an article about how to write UDF libraries in Delphi here:
> http://dn.codegear com/he/article/ 27204
> <http://dn.codegear.com/he/article/27204>
> http://www.ibphoeni x.com/main. nfs?a=ibphoenix& page=ibp_ howto5
> <http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_howto5>
>
> Sources of FreeUDFLib in Delphi with examples how to work with Date/Time
> available here:
> http://www.ibase ru/download/ freeudflib. zip
> <http://www.ibase.ru/download/freeudflib.zip>
>
> --
> With best regards,
> Alex Gilev,
> http://www.xstarter .com/firebird- interbase- job-scheduler. html
> <http://www.xstarter.com/firebird-interbase-job-scheduler.html>
>
> 2007/11/27, Orhan TURHAN <oturhan@usa. net <mailto:oturhan%40usa.net>>:
> >
> > i want to write a udf with delphi.
> >
> > function name is EndOfTheMonth.
> >
> > input variable date,
> > output variable date,
> >
>
> [Non-text portions of this message have been removed]
>
>

[Non-text portions of this message have been removed]