请教:在VC中引入DriverWork的头文件,编译*.cpp时出错,是何原因?

在VC中自建一个*.dll,在*.cpp中引入DriverWork的头文件#include<devintf.h>,编译*.dll时*.cpp出错,告之\"Cannot open include file:\"devintf.h\":No such file or drectory\"是何原因?
我在VC菜单中有DriverWork项.请解答,不胜感谢!