"stdafx.h" in visual studio vs file.h in DevC

[OniChan Kid]

hi everybody, i want to ask the diffrent about stdafx vs struc of file.h.
In visual studio 2010, does "stdafx.h" include "iostream", "string"...and the function like in the struct of header file on DevC (#ifndef...#endif)?

[cire]

It includes whatever you put in it.