If your VSTO solution crashes after running for a while…

February 23, 2018

…and the problem isn’t reproducible.

I was confronted with a request to trouble-shoot such a situation, not long ago. A large organization contacted me and this was the problem description. Read the rest of this entry »

BUG: Migrating VSTO Word 2008 document to later versions of VSTO

August 29, 2013

I attempted to upgrade a Word 2007 document-level customization, created with VSTO 2008 to VSTO 2012 and Word 2013 the other day. Even after following all the migration steps, I was still getting an error message for the Document Designer:

“Designer failed to load correctly. Do not use the Designer to work on the document until you fix any errors in the error list, then close and re-open the Designer. Some errors can be fixed by rebuilding your project, while other might require code changes.” Read the rest of this entry »