What does this dotted file icon mean? It's a .cs file but it is not behaving right in my project and I've noticed this separate icon in Solution Explorer:
I've checked the MSDN Documentation in three places
I've also checked the Visual Studio Documentation itself, which is rather obscurely organized.
I've even checked this website:
Lastly, I found this topic with a similar question but both the question page and the references inside do not have this icon. Thanks for your help.