Error 6 error LNK2019: unresolved external symbol __imp__SetupOpenInfFileA@16 referenced in function "public: void __thiscall Install_Functions::mGetHandleINF(char * const,char (* const)[100])" (?mGetHandleINF@Install_Functions@@QAEXQADQAY0GE@D@Z) Installer.obj

"SetupOpenInfFile" is a function i use which is in the setupapi.h file which is part of the platformSDK.........i am trying to my printer driver installer into a dll so if its not in a dll project its fine so i don't know why the above link error happens?