Export to PDF have problem with persian languag!

[poriia]

Hi
there is a problem with persian language in export to pdf file!
All Persian words in this file will show a question mark
tcpdf library is update according to this manual:

[url]https://tcpdf.org/[/url]

i read this solution but…!

[url]Export Grid to PDF - Export to PDF|Excel - DHTMLX