Advanced Installer now supports creating VSTO Visio Add-Ins installation projects using the Office Add-Ins wizard! This is great news for those of us who are still having to create VSTO Add-Ins, especially since Visual Studio does not include Setup & Deployment projects (again).
I have written many add-ins for Visio over the years, some for private clients for use in-house, some as products for public release by my clients or by me, and some just to help me with my day-to-day Visio development tasks. The ease of installation is always an issue, and I have been using a digital certificate to guarantee its authenticity in almost all of these scenarios. I have also included licensing code from a third-party for some of my own products, but have been aware that the third-party product I have been using is not ideal because it needs its own registered component on the client machine. So, when a client asked that I use Advanced Installer to create the installation setups so that their licensing system could be used, then I was (and still am) all for it because it could become a better method for myself. However, there are some issues that I am overcoming through this transition ….not least that an apparently correctly assigned digital certificate was actually not valid.
I like extending Visio with custom code, and I have been doing it a long time. I progressed from VBA within Visio documents, to VB executable, using a C++ wrapper to register as Visio Add-ons, through VB.net COM add-ins to C# VSTO add-ins. Which ever language and method I use, it seems to me that deployment is always far more more difficult than it should be. Even though it has got simpler with VS 2010, there are still some gotchas…
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