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  VS Arduino › Visual Micro › Visual Studio 2017, 2019, 2022 › VS2017 Intellisense and Cannot Resolve Symbol Issues
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Normal Topic VS2017 Intellisense and Cannot Resolve Symbol Issues (Read 4047 times)
Matt Parish
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VS2017 Intellisense and Cannot Resolve Symbol Issues
Feb 22nd, 2018 at 1:23am
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I am using VS2017 15.5.7 and Arduino 1.8.5 with the most recent version of Visual Micro, freshly installed today.

While the new test project builds successfully, every reference to an Arduino function or symbol results in a Cannot Resolve Symbol warning and red syntax highlighting. Also, Intellisense does not work by default (usually one can simply start typing and receive symbol recommendations), but instead I must actively press CTRL+J to see available symbols.

I have been all over the forums and have seen multiple posts about similar issues. I have tried uninstalling/reinstalling Visual Micro, and verified that I have C++ installed in VS2017, as well as ensured that the settings for syntax highlighting are set up as expected. None of these steps have corrected the issue.

Any help would be greatly appreciated.

Thanks!
« Last Edit: Feb 22nd, 2018 at 1:25am by Matt Parish »  
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Tim@Visual Micro
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Re: VS2017 Intellisense and Cannot Resolve Symbol Issues
Reply #1 - Mar 5th, 2018 at 2:25pm
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Sorry I missed this post

If the correct options appear when pressing CTRL+J then the question relates to standard visual studio functionality and should be answered by Microsoft. The reason being that we just use standard VC++ projects for arduno. Visual Micro handles the build but leaves VS to do whatever it wants in the editor.

The fact that CTRL+J shows the correct options means that Visual Micro has set the includes and #defines correctly which is the only job is does for the IDE / UI
« Last Edit: Mar 5th, 2018 at 2:26pm by Tim@Visual Micro »  
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Matt Parish
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Re: VS2017 Intellisense and Cannot Resolve Symbol Issues
Reply #2 - Mar 7th, 2018 at 2:13pm
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Tim,

Thanks for your response. I will look into hitting up Microsoft for this issue.
  
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Tim@Visual Micro
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Re: VS2017 Intellisense and Cannot Resolve Symbol Issues
Reply #3 - Mar 7th, 2018 at 3:03pm
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Great. Make sure you have not changed the defaults in Tools>options. If I recall there are some settings relating to how intellisense works.
  
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Re: VS2017 Intellisense and Cannot Resolve Symbol Issues
Reply #4 - Apr 6th, 2018 at 12:54pm
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