"How do I migrate my code from VBA to VSTA?", is a common question that is asked by many people. The short answer is that VBA code and VSTA code can run side-by-side. So if you have an existing VBA program it will continue to work. If you are creating...

This is an excellent question posed by TQ, one of our architects, on his blog . The definition of an add-in is: An “Add-in” is any component that is dynamically discovered and loaded by its host. It usually is compiled separately from the host and...

VSTA is all about application customization with the .Net framework, but the history of application customization is a long one at Microsoft. Scott Wiltamuth who was here at Microsoft for most of it has an excellent walk down memory lane in his blog....

Today at PDC05 they announced a new product that I have been working on for the last 2 years. So it is exciting for me to be able to finally share with you all what I have been working on. Visual Studio Tools for Applications (VSTA) is a .NET-based...

In my last post How to Create HTML Action Panes for Word and Excel using VSTO 2005 I showed a simple but powerful technique to use HTML pages in the Word or Excel Task Pane. In this post I will show you how to extend this to use dynamic Cascading Style...

VSTO 2005 enables developers to create Windows form Action Panes in Word and Excel with only 1 line of code. I will show you how to extend this technique to create an Action Pane using HTML. Why would you want to use HTML for a client side application...