JakeGinnivan/VSTOContrib — pull request #11 by roxberry (2013-09-05 15:59:21+00:00)
Title: Excel close error "The given key was not present in the dictionary."

This is a fix for an error I get when the workbook that is closing is not found in the workbooks dictionary. I checked for any hanging Excel processes and found none, so I'm going to commit and submit a pull request.