Mathias Brandewinder on .NET, F#, VSTO and Excel development, and quantitative analysis / machine learning.
by Mathias 15. July 2010 12:14

Time to wrap this series on VSTO add-ins for Excel 2007. Now that we have a working application-level add-in, we want to deploy it on the user machine. There are two ways to do that: ClickOnce and Windows Installer. In this post, I will go over creating a basic installer using Windows installer with Visual Studio 2008. Very soon, we’ll have a VIP guest blogger who will tell you all you need to know about ClickOnce deployment and VSTO.

This post borrows heavily from the Microsoft white paper linked below, which is absolutely excellent. I mostly paraphrased it, focusing on the how and not the why. I strongly encourage you to go to the source and read it for more details:

Deploying a VSTO 3.0 Solution for Office 2007 System Using Windows Installer

The white paper comes with sample code, covering a few scenarios:

VSTO installer sample code 

Note: the following applies to Office 2007 projects. If your add-in needs to run on Excel 2003, you should follow this guidance instead: Deploying VSTO Solutions Using Windows Installer (Part 2 of 2)

Surgeon General Warning: prolonged reading of material pertaining to msi deployment can cause drowsiness or confusion; absolutely no risk whatsoever of euphoria is to be expected.

This post is not going to be sexy. My goal is to have a check-list of what to do to get your add-in to install correctly. The steps require no thinking, and are frankly rather boring. I find some steps pretty obscure, and recommend patience and soothing music; you may consider also having  some sacrificial offering ready to appease the Great Installer Voodoo deity (a nice chicken will usually do). 

Prepare the add-in

We will start from where we left off, with a working add-in (download the add-in here). Let’s first fill in the fields describing our assembly, by right-clicking on the project:

ClearLines.Anakin > Properties > Application > Assembly information:

AssemblyInfo

Next, let’s set the configuration to Release, so that we feed the optimized release version to the installer. Right-click on the Solution (not the add-in project), select Configuration Manager, and set ClearLines.Anakin to Release instead of Debug.

ReleaseMode

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