Extensibility is a system design principle where the implementation takes future growth into consideration. For iOS app extensions, use [ios-app-extension].
Questions tagged [extensibility]
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What extensibility design patterns are there and what are their pros and cons?
I'm working on a new CMS system and I want it's core to be extended or overwritten for specific customers.
The information out there is sparse, or I haven't been looking good enough, but I want hands-on experience from fellow developers.

Gerben Jacobs
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What is the most extensible way to manage Django UI choices that correspond to Python functions?
I am trying to create a static shared list of functions and their descriptions to display in a Django form MultipleChoiceField.
I want this to be extensible in case I add more file options later on, but I don't want to have to change the code in…

Chandler Barnes
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Aside from the Addins folder, where (and how) do VS add-ins get deployed?
I'm trying to figure out how it's possible to deploy a Visual Studio add-in to its own folder, rather than using the Addins folder. I know it's possible - tools like ReSharper do it - but I cannot find any info on how to tell VS where the add-in is…

Dmitri Nesteruk
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Help needed debugging the “Hello, World” Extension for Coded UI Test
(Note: I am unable to ask this question on the original blog for some reason).
As described in this blog: http://blogs.msdn.com/b/gautamg/archive/2010/01/05/2-hello-world-extension-for-coded-ui-test.aspx
More specifically, this section gives me…

Hamish Grubijan
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TFS-2010 - Custom Work Item Control not showing up: "Form Rendering Failed: Object reference not set to an instance of an object."
I'm developing a custom control for Task/Bug Work Items so I can query for shelvesets related to the Work Item.
First off I tested a simple control with nothing but a listbox with an Item. When I preview the layout form in the Process Editor in…

Conrad Clark
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Team Foundation 2010 - Work Item Custom Controls asking for assembly Microsoft.TeamFoundation.WorkItemTracking.Controls, Version=8.0.0.0
I tried creating my own work item custom control, but without success.
I thought it was something in my code, so I downloaded the custom work item controls from codeplex. Didn't work.
I'm getting a weird error...
For instance, when trying to add a…

Conrad Clark
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Can I use DevExpress related "DxCore" for dialogs/tool windows?
Can I use DevExpress related "DxCore" to extend VS functionality to add new dialogs/toolwindows etc.?
If so, how is it different from VS SDK (focusing on dialogs/tool windows)?

user203687
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Hide non mutual methods in superclass facade
Is there a way we can hide the non mutual methods for types which are not qualified for the specific methods?
Lets say we have an abstract superclass with methods we don't want to expose to the objects themselves. We create a facade with the methods…

JohEker
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Visual studio project template get visual studio version
I'm writing a project template for Visual Studio.
In some of the files generated, I have a string which depends on visual studio version.
Can I get the visual studio version from the template file? I'd like to write…

Regis Portalez
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Learning - Extensibility: Dynamic loading, and any other no-recompile software updates
I'm planning on writing a program but I am stuck in a conundrum. I don't want to start writing something and then have to rewrite it all when I find out that my program is not extensible. The other problem, is I do not have enough programming…

SgtPooki
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Replacement for _dispSolutionEvents_ProjectAddedEventHandler
I am migrating an existing add-in to an extension targeting VS2017.
In this process i started converting converting DTE events to IVsSolutionEvents. Then i came across _dispSolutionEvents_ProjectAddedEventHandler event. But i could not find an…

Shashank Jain
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Extend Visual Studio functionality for Installshield ISPROJ Project type
InstallShield must be the crappiest "industry standard" application in existence, for reasons too numerous to enumerate here. However, one of those deficiencies is something I'd like to be able to fix, and with my first foray into writing an…

Marc Chu
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How to create an extensible API, and still use object initializer syntax?
I have a class library that wraps the command line client for Mercurial.
My intention is to implement support for all the built-in commands, but in addition to those, there's a ton of extensions out there.
So I need to make my library extendable in…

Lasse V. Karlsen
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Reusability and Extensibility in OOPL
I have 3 problems, which are more or less similar.
Given a integer array, I want to find the longest continuous subarray, such that the subarray is in increasing order of numbers.
Given a integer array, I want to find the longest continuous…
user7149564
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Does it exist an API for "International Settings" in Visual Studio?
I'm working on Visual Studio Extensibility and I need to set the "shell" language from code. In other words, I'm looking for an API to do the same you can do "by hand" with the Tools -> Options... -> Environment -> International Settings property…

Fabrizio C.
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