How do I add intellisense

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Good day everyone,

We are working on a project where we are developing a C-based coding environment and would like to add reliable IntelliSense. We are looking for recommendations for either an open-source or paid element that we can add to the C Windows forms project and or later to an ASPX based application.

Thanks

What I have tried:

We have tried web searches and evaluated reviews, but are also looking for recommendations

Posted 14-Apr-21 23:55pm

HavenTech

Updated 15-Apr-21 4:13am

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Richard MacCutchan 15-Apr-21 9:46am

Visual Studio and VSCode already provide it. Why reinvent the wheel?

SeanChupas 15-Apr-21 10:02am

It sounds like it is a project they are working on and would like to learn.

Richard MacCutchan 15-Apr-21 10:31am

"and would like to learn"
Well that would be a refreshing change for QA.

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Dave Kreskowiak · Answer 1 · 2021-04-15T04:13:00

This isn't something you "bolt on" after you develop your IDE. Doing that, you get something like what Notepad++ did. It's basically a database of words that your code sees in the document and a list of keywords in the language of the document you're working on, like a file with a .c extension adds C keywords to the database.

To do this better than that, you really need to completely redesign how you represent your editor document. In Visual Studio, what you see on screen is your normal test editor. How the document is represented internally is not text, object quite an extensive object graph, representing all kinds of data on every word in the document. Combine that with knowledge of how each language expects in its format, you generate context information for each character position in the document and can filter the list of words shown based on the context the cursor is in and what has already been typed.

That isn't something you can bolt on after you've written your editor.