Hi all,
We are pleased to announce the release of v4.20 of SonarLint 
for Visual Studio for Visual Studio 2015, 2017, and 2019.
This release improves Connected Mode for C/C++ - issues that have been marked as Won't Fix or False Positive in SonarQube/SonarCloud will not be reported in the IDE.
You can read more about Connected Mode here.