Adding project folder in SourceInsight is empty

A very strange problem occurred when I added the folder named Stdio to the project and found that the folder appeared empty in Soureinsight.
At first I thought it was a folder permissions issue, so I made all the files readable and writable. Still not solving the problem, I stumbled across a particular project in SourceInsight: the Base project
The purpose of this project is to put files that are common to all projects, thus achieving the effect of sharing public files. Have a try!
Come on!!

Shows my function!!

Read More: