Cannot cancel Intellisense

Better C++ IntelliSense support for generated files with #line directives

Symbolic links do not work well with open folder

Improve IntelliSense with Doxygen

Cannot work with the new "New Project" dialog

Remove Screwdriver, Code Squiggles and Quick Actions

VS2019 upgrade from 2017 wasn't as seemless as it could be

add a code structure view for python, js, etc.

Remove unused using during document format in Visual Studio 2019

在已运行一个vs的情况下，双击windows里文件夹的cs或是cshtml文件都会再新开一个vs，搞得比较占资源不说，启动又慢-In the case of running a VS, double-clicking the CS or cshtml file in the Windows folder will open a new VS, making it more of a resource, starting and slowing down.