When creating VSTO documents that use an Action Pane, the Action Pane gets “lost” if you open another non-VSTO document. The Action Pane is hidden…

With extensive use of the ListObject in an Excel VSTO project, I have identified a second actual bug in the ListObject. This one also has…

An old VSTO 2003 post by Kathleen McGrath about how to add images to a CommandBarButton. It still works in VSTO 2005. The example uses…

I found an actual bug with the VSTO ListObject in Excel and insertions of data. See this post on the MSDN forums for details.

Just a quick tidbit about using the Excel object model and C# in VSTO 2005. ActiveCell.Offset (as we know it in VBA, and even VB.Net)…