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Questions tagged [add-in]

AddIn (Add-In or Add In) is a synonym for plugin - a program that is triggered by a host program allowing third party developers to manipulate or extend the hosting program.

Add-In (AddIn or Add In) is a synonym for - a program that is triggered by a host program allowing third party developers to manipulate or extend the hosting program.

Typically, whether these programs are called "addins" or "plugins" depends on the programming language and platform. For example, in they are called plugins whereas in they are called addins. Some programs also call them "addons". In any case, these programs add or extend functionality to an existing program.

In most cases the hosting program will expose an extensibility interface to the hosted code, allowing it to execute tasks.

The most used types of Add-Ins are those automating the Microsoft Office programs (Word, Excel, Powerpoint, Outlook), browsers (Internet Explorer), IDEs - Visual Studio. But other non-Microsoft programs provide COM Extensibility as well (Skype, Altova software products, Photoshop, AutoCAD and many others).

In most cases the Add-Ins use COM object interfaces (that allow the Add-In code, if started from a standalone executable to instantiate the host program and then manipulate it) exposed by the hosting software.

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How do I add an icon for an Outlook Add-In?

Because an outlook add-in is a DLL, not an EXE, Visual Studio does not let me change the icon for my assembly for the add-in. How can I associate an icon [and different size icons for the different view modes when looking at apps in the Control…
Eric Pulaski
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Outlook 2007 Add-in form containing form with ActiveX control stuck in one off state

I have an add-in that contains a DLL and an OCX control, built in VB6. Each is separate, meaning that the add-in consists of Addin.DLL and Addin.OCX. The add-in uses a custom form, which is built off of the IPM.Appointment form in Outlook. It is…
Corv1nus
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C# : Keep a windows Form focused over another form (Microsoft.Office.Interop.Excel.Application)

In fact, I'm developping an Excel Addin. My addin is opening a new Windows Form over Excel, and what I'd like to do is : Disable and remove focus from the excel's window Send focus to the new Windows Form Keep the new Form over the Excel's…
Jsncrdnl
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How to create event handler in Visual Studio C# for editclear() method when developind addin for MS Project 2010?

I am developing an addin for MS Project 2010 in Visual Studio 2010 C#. The event ProjectBeforeTaskChange does not occur when I clear the content of a task field in MS Project by using "Delete" button. When the "Delete" button is pressed the…
yoozz
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Deploy word addin ... 2003

I created a word addin for office 2003 with VS2008. It works fine but i can't deploy it. I created 2 virtual machine (XP mode): One dev, one "client". On dev, the solution is deployed but i have no idea how (when i run VS maybe ...) and on the…
Gun
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"Add as Link" for visual studio 2010 AddIn

I can't figure out how to add a "linked" file to a project "Add as link" programmatically in an AddIn for Visual Studio 2010 - the way you do it via the solution explorer "Add->Existing Item->Add as Link" in visual studio. Would appreciate some…
user506262
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C# : Closing a windows form on excel closing event

My situation is that I'm developing a C# application which is launching an instance of a Microsoft Office Excel Application. I change some of the Form's functions so that the instantiated Excel Application is being killed and cleaned up from memory…
Jsncrdnl
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VSTO 2010 add-in doesn't open in a full-screen window

we have created a VSTO Excel workbook with VS2010, .NET 4.0. After we publish and install the xlsx document, it opens up as expected for the first time. Then we run some operation using the plug-in and save the workbook. After closing and reopening…
itisinteresting
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How to add a new wpf page into a powerpoint add-in?

I created an add-in for PowerPoint and I want to add a new WPF window to it. It seems that when I am not able to do this as there is no support to add a WPF form into add-in project. What can I do? Any help is very appreciated.
mans
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Command bar control won't show up

we developed an AddIn for Visual Studio 2008 which installs a command bar item in the "Project" context menu (right click on a project in solution explorer). The following, simplified code (in Connect.cs) works fine for all of our machines except…
Gene
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C#/Powerpoint add-in file select and "store"

For one part of the add-in I am creating I would like to add a video file. I am not necessarily trying to show the video in powerpoint, but I need to place this file somewhere for later reference. So a) can I store the file within the powerpoint…
Parris
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How to refactor across multiple projects in VS2008?

I have a master solution with many projects inside, mostly class libraries for my other applications to use. Early in the project I needed to change a class name inside one of my libraries but VS would not let me refactor the name over all the…
J-Fiz
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C#/Powerpoint Add-in How can I save a datagridview to the presentation?

So I have been working on this ppt add-in. I have been saving strings mostly using the tags hash and it has worked fine thus far; however, now I need to essentially save a 2D array to the presentation. I chose the use the datagridview component and…
Parris
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Custom Pipeline File and Directory Structure in C#

I have built a pipeline for addins using C#. Once I build the projects, how can I update the code so that it will use the .dll files in the root directory and not in the typical add-in sub-directories? Example - currently: \addins\AddIns.store;…
Ourx
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Multiple Add-Ins using one C# Pipeline

Is it possible to have one add-in pipeline (MEF) but depending on the add-in class type perform different functionality? Example: if I have add-ins for reporting (with each add-in performing a specialized reporting function) and add-ins for…
Ourx
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