Top "Vsto" questions

Visual Studio Tools for Office (VSTO) is a set of development tools for creating Office automation solutions (add-in or document customization), using .NET and the Visual Studio IDE.

How to unit test Excel VBA code

Does anyone have any experience with unit testing Excel VBA code? I want to introduce unit tests into some legacy …

unit-testing excel vsto vba
Fastest way to interface between live (unsaved) Excel data and C# objects

I want to know what the fastest way is of reading and writing data to and from an open Excel …

c# excel automation vsto com-interop
Error deploying VSTO Office addin

I'm having some issues deploying a Visio addin. Running the VSTO file works on my computer, but whenever I try …

ms-office vsto visio
Not a valid Office Add In

I developed a new Office 2007 addin using VS 2008 and VSTO. after this I go to Office->Excel Options->…

ms-office vsto add-in excel-2007
VSTO, Outlook add-ins, and Visual Studio 2015

Starting with Visual Studio RC, Visual Studio 2015 appears to no longer support the Office Add-In project types from Visual Studio …

vsto outlook-addin visual-studio-2015
Find Install directory and working directory of VSTO Outlook Addin; or any Office Addin

I created a VSTO Outlook Addin that uses a library Html2Xhtml.dll (.NET) which calls another Html2xhtml.exe …

outlook vsto clickonce working-directory
VSTO Outlook addin need to save settings, best way?

I'm writing a VSTO Outlook add in and i need to save some settings the addin gets from a web …

c# c#-4.0 vsto office-interop outlook-2010
uninstall VSTO plugin

When I doubleclick to install a VSTO plugin for Excel 2010 I get a message "unable to install this application because …

plugins vsto installation ms-office uninstallation
How can I add the images to button using the ribbon xml?

How to add the custom images to the ribbon button in the tab and the context menu. I tried the …

c# .net vsto ribbon
How do I get the current mail item from Outlook ribbon context menu

I am creating an Outlook 2010 add-in and have added a context menu to my ribbon for idMso="contextMenuMailItem". On click, …

c# vsto outlook-addin