As per this thread: http://social.msdn.microsoft.com/forums/en-US/csharpide/thread/f33c32df-14e4-4636-8c8e-c96f66666cb5/
“I can modify a C# project using notepad to make a file DependentUpon another file, but is there a way to do this in the IDE?”
All the links in the thread are dead. Anyone know something similar that can be used?
There an Addin for that if you have Visual Studio 2008. It is the update of an old project of mine.
It can work on: