Adding help to MEF extension: F1 doesn't work RRS feed

  • Question

  • I'm developing a Visual Studio MEF extension that provides support for a language: colorization, completion, quick info etc.

    I also provide help system for the language and integrate it into Visual Studio help. The help files are packaged into mshc file which I install through Microsoft Help Viewer. I used this tutorial to make this work: http://thirdblogfromthesun.com/2011/05/create-a-basic-help-file-for-the-microsoft-help-viewer/

    I can browse my help from Contents tab in Help Viewer. I added Microsoft.Help.F1 meta tags to my help files with all the correct keywords and I expect help files to be shown when I press F1 with a cursor positioned on a keyword, as it happens when I do this in C# file for example. This doesn't happen for my language though, and a generic help page is displayed instead ("Writing Code in the Code and Text Editor")

    I used Ook sample to build the extension. As a test I even tried to add a help for Ook the same way I do it for the language I'm working on but I get the same result: even though I can see the help files in Help Viewer, a generic help page is displayed when press F1 with cursor on a "ook" word.

    I enabled "Debug Help Context" window in Visual Studio and I can see that no F1 keywords are being fired when I place cursor on keywords of my language.

    Can anyone provide any insight? Should I maybe do something more than Ook sample when registering my language file extension?

    Best regads,


    Tuesday, September 16, 2014 12:09 PM


  • Hi Serge,

    Looks like the article only instucts you how to create a mshc help file, but it doesn't tell you how to integrate the help file with the VS Shell. I would like you check this MSDN document:


    In this document, you'll find out not only how to create a help file, but also how to integrate it with Visual Studio Shell. In VS2008, there was a Help Integration Wizard, but it's moved since VS2010. It should be helpful if you use VS2008:


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    • Edited by Caillen Friday, September 19, 2014 12:52 AM
    • Marked as answer by Caillen Tuesday, September 23, 2014 10:06 AM
    Friday, September 19, 2014 12:51 AM