I am using a library that has headers without the .h
This defeats visual studio\'s intellisense (declaration/definition lookup)
Anyone know how to tell VS2008 that a
I'd hazard a guess that you should ensure the headers are included from a source file (usually a .cpp file).
Where the properties for the source file have the Tool property set to C/C++ Compiler Tool. I would guess Intellisense starts with them, and would follow #includes to files regardless of their extension to build its database of symbols from anything it encounters.