I just realized I did not actually say what my issue was. On the line:
olMail.Attachme nts.Add(ListVie w1.CheckedItems )
I get an error that says ArgumentExcepti on was unhandled.

I have written a small program that allows documents to be created through a visual basic form. The documents are created, an excel spreadsheet is updated, the documents are filed, and an email is sent. However, I would like to add more functionality by allowing the user to choose to email documents that previously existed. I have succeeded in having the files populate into a Listview, and they are able to select the appropriate files with checkboxes....