HarryMiller

You can search the text in any open Microsoft Office Word document for specific strings if you put the code in a VSTO application-level add-in. When you find an instance of the string, you can perform some action on it. This video shows how to flag the string with a comment that contains text…

When you build a VSTO add-in project, it installs the add-in on your development computer. Even if you close that project and start another, or even close Visual Studio entirely, all add-ins you have built will still run when you start the Office application on that computer. If you're not…

You can use VSTO to easily customize the Ribbon to show only the controls you want to display. This video shows how to clear the Ribbon in Microsoft Office Word so it contains only a single button. The button inserts a graphic into the open Word document at the cursor location. Why? Well, really…

A lot of people seem to want to make a certain tab or control on the Ribbon active programmatically using VSTO. It makes sense that a developer would want to select the custom tab if the controls that are most useful for the current document are all on that tab. This video goes in-depth about…

In Visual Studio 2008, when you open a Microsoft Office 2003 project, by default it starts the project migration wizard if you have the 2007 Microsoft Office system installed on your development computer. In other words, Visual Studio automatically tries to upgrade older VSTO projects to the…

It doesn't take much code to add a command to a shortcut menu in Excel, but the menu objects have strange names so it's not intuitive, to me at least. The trickiest part is just sorting out how it's supposed to work, because it seems like it should be different from adding buttons to toolbars,…