InfoPath Dev

Hello,
I need to use a dll inside Infopath code,it´s is possible?
can i reference and instance my dll created in c#?
in case that´s imposible can i make a activex to use
in my infopath form and access to the properties?
Thanks.

You can write managed code in either C# or VB.NET. To get started review this:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odc_ip2003_tr/html/odc_INF_Lab_15.asp

If you want to use ActiveX controls, review this:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/odc_ip2003_tr/html/odc_INF_Lab_06.asp

I will Read it,
Thank You Very Much.