I have a C# application (a VSTO office addin) running on clients' machines, and I need to make a setup project or any other EXE that can overwrite and ...
I have a C# application (a VSTO office addin) running on clients' machines, and I need to make a setup project or any other EXE that can overwrite and ...
I've developed an Add-in for outlook in Visual Studio. When I run it, it opens up outlook correctly but does not show the Add-in within the COM list o ...
We have a custom Ribbon built to work with Microsoft Word that utilizes Word's DocumentBeforeSave event to execute some business logic every time the ...
We have an Outlook addin which does the following User clicks on a button to save the email onto the server. During saving, we upload the PR_INT ...
I have a custom task pane that is visible in all explorer and inspector windows. Now, the new version of Outlook adds a vertical apps navigation bar i ...
I have an VSTO Outlook Addin which shows always an Outlook custom task pane in all windows, explorers and inspectors. This is working perfectly, I mea ...
How to check in WiX (Product.wxs) if Office is installed in version 2010, 2013, 2016, 2019 or later? 2007, 2003 or older should be ignored (as if Offi ...
In my Ribbon.xml is given: in my Ribbon.cs I already try and How call origial functionality? ...
Compiler error CS1061 when trying to programmatically get the top and left positions of ActiveCell in Excel VSTO using C# The compiler complains ab ...
I am working on a vsto plugin in which I've created a Form(WinForm) that has fields for long text that user has to copy from previous mails. Now, the ...
I have a C# VSTO Outlook (2016) Add-in published as load on demand. The Add-in create a custom ribbon button when creating a new appointment. When I l ...
I have a SendEmail method developed with System.Net.Mail that works fine. Calling it from my VSTO Outlook Addin, I get an error: A call to SSPI failed ...
I am trying write an Outlook Add-In that would create an email, set a specific permission from the Permission dropdown in Outlook to encrypt the email ...
We are currently developing an addin that interact with the end user visually to give some informations, and we wanted to use Mailtips but apparently ...
I have been going crazy trying to fix this publishing issue for days. I have a VSTO application for Office that builds using MSbuild.exe successfully, ...
I am trying to get the Outlook main window (the one currently active) through below piece of code: Now, I would like to detect when the active wind ...
I’m trying to insert a simple Button form control onto worksheet within a Excel VSTO Addin. This code works, but the button it offset down and to the ...
Hello and thank you in advance for any help you might be able to offer! I am looking to create a C# add-in for Outlook that will take new emails that ...
I have found a similar post by another user. https://stackoverflow.com/questions/61183940/is-there-any-way-to-call-send-method-on-composed-mail-opened ...
While instantiate a VSTO base class in my unit test project i have got Null Reference exception. Below is the code that i have used and snapshot of th ...