C-Language Function on VC2005: could not load library ERROR

    I'm using VC2005 to create PG C-language Fun in my contrib xml_index, which import other library, and I have add the include and lib directory by changing Mkvcbuild.pm and config.pl. 

    But after I executed the following commands:

        build DEBUG

        perl install.pl "C:\Program Files\PostgreSQL\8.3"

        initdb.exe -D "C:\Program Files\PostgreSQL\8.3\data" -E UTF8 --locale=C

        "pg_ctl" -D "C:/Program Files/PostgreSQL/8.3/data" -l logfile start

        createdb test

        psql test

    when I trying to create the function by the following commands:

        CREATE OR REPLACE FUNCTION create_xml_value_i ndex(text,text,text)

        RETURNS bool

        AS '$libdir/xml_index'

        LANGUAGE C STRICT IMMUTABLE;

    It reports an ERROR:

        could not load library "C:\Program Files\PostgreSQL\8.3\lib/xml_index.dll": The specified module could not be found.

    I checked the directory C:\Program Files\PostgreSQL\8.3\lib, xml_index.dll exists.

    I tried to changed "$libdir/xml_index" by "C:\\Program Files\\PostgreSQL\\8.3\\lib\\xml_index", error remains.

    Has anyone ever encountered this problem? Thanks for all replies.

Best Regards

Cristian