Is it possible to hide files/folders in .net core csproj without excluding them from build? I have a folder containing generated files which I would rather see they are not
You can set the Visible="false" attribute on the items.
For an SDK-based project (.net core / asp.net core templates), you could add e.g.:
Depending on your project type (=> defaults), you might have to replace Content
with None
for the particular type, or even Compile
for generated code files.