VSTO Developer Center is now part of the Office Developer Center

In order to provide a more integrated experience for folks building custom solutions on the Office platform, we’ve merged the content from the VSTO Developer Center into the Office Developer Center. You’ll still find great learning content there including: Getting Started with Office Development with Visual Studio (VSTO)  Excel Solutions Write code to work with… Read more

Microsoft Help Viewer 1.1 – Updates Planned for Visual Studio 2010 SP1 (Kathleen McGrath)

Paul O’Rear, a Program Manager on the Library Experience team, describes the changes to the Microsoft Help Viewer planned for Visual Studio 2010 SP1. He demonstrates the new functionality of the viewer in an early build of Help Viewer 1.1. See Microsoft Help Viewer – Updates Planned for Visual Studio 2010 SP1 You can learn… Read more

Channel 9 Interview: Office Add-in (VSTO) Performance Tips & Tricks (Beth Massi, Stephen Peters)

In this interview, I sit down with Stephen Peters, a developer on the Office client tools team in Visual Studio. Steve shows us a couple of tricks for how you can squeeze the best performance out of Office solutions built with Visual Studio (VSTO). He also shows how to finely control the way your custom… Read more

Why Should I Upgrade from .Net Framework 3.5 to .Net Framework 4 ? (Navneet Gupta)

I was chatting with some of my friends about Visual Studio 2010 and .Net Framework 4 and they asked me why should they move their application to .Net Framework 4, I am answering the question here for everybody to benefit. Frankly speaking there is no definitive answer; it is like there is no single pill… Read more

Upgrading VSTO Projects to use with Visual Studio 2010 (Navneet Gupta)

The first thing that you notice after opening your existing projects in Visual Studio 2010 is the very familiar Visual Studio Conversion wizard. Internally we call it Project Migration wizard. Personally I love this wizard because of its simplicity, my converted projects are only few clicks away. In this post I’ll walk through this wizard… Read more

Visual Studio 2010 RTM! New Resources, Samples, Videos, + more (Beth Massi)

Whooo hooooo! It’s been ~2 years in the making but Visual Studio 2010 has been released! This is my first full product cycle since I started Microsoft and oh what a ride! I’ve been watching live interviews from the Vegas launch event all day on Channel 9. I’m really pumped about all the awesome resources… Read more

Why is FrameworkVersionMismatchException thrown? (Hamed Ahmadi)

The “Microsoft.VisualStudio.Tools.Applications.Deployment.FrameworkVersionMismatchException” is thrown due to the specific implementation of how VSTO 2010 runtime loads the appropriate CLR to install a VSTO customization. This exception is thrown when both .NET Framework 3.5 (CLR 2.0) and .NET Framework 4 (CLR 4) are installed on a machine and a VSTO customization which targets .NET Framework 4 is… Read more

Show and Hide Context Menu Items in Outlook 2010 (Norm Estabrook)

If you have written code that shows and hides context menu items in Outlook 2007, that code might not behave well in Outlook 2010. That is exactly what happened to this individual who recently posted to the VSTO forum. The command bar object model (which most folks use to muck around with menus) has been… Read more

Tricks with app.config and ClickOnce deployment (Saurabh Bhatia)

Storing settings in the config File The app.config file is used for many purposes and one of common uses is for storing application settings like connection strings. For example, you can store a string to the web service reference used by your application in the app.config file. The idea behind storing the string in the… Read more

Office Development with Visual Studio Tutorial Series – Part 4 (Beth Massi)

A couple months ago Robert Green, VSTO MVP, started a series of step-by-step tutorials on building on Office 2007. Part 4 is now published. Thanks Robert! In this fourth part of the series of tutorials on Office Business Applications, learn how to create an Excel 2007 solution using Visual Studio 2008 that generates reports from… Read more