VSTO for Mere Mortals™: A VBA Developer’s Guide to Microsoft Office Development Using Visual Studio 2005 Tools for Office

Appendix B. Creating Inspector CommandBars

In VBA, when you add a button to a CommandBar, you associate a macro with the OnAction property of the button. Using VSTO, you must programmatically create a CommandBarButton and add it to the CommandBar.

Outlook presents some challenges when you’re creating CommandBars and CommandBarButtons. For every CommandBarButton that you create, you must hold a reference to it in order for the Click event handler to function properly. In this example, we show you how to create an Inspector CommandBar and add a button to it.

1. Create an Outlook add-in using VSTO.
2. Add the code in Listing B.1 to the Startup event handler of ThisApplication, and add the variables with events at the class level.

   Listing B.1. Creating ...