InfoPath Dev

I am trying to attach a variaty of file types (mainly pdf, jpeg, word, excel and powerpoint). And it appears that the error only happens when previewing from the design view so I am not sure how much of an issue it is. I am hoping that it does not cause issues further down the process. I am now trying to get the filename for an attachment control ...

First, I am relatively new to the Infopath world and programing in general but I would like to say thank you for sharing this bit of code. Second, I have it working (mostly) but I get an error when it runs. It looks like it is trying to read past the EOF. What I am trying to do is fill in a read-only field on the form with the name of ...