dear friends
i have created a .dll file
i want to include in in my another application.
what should i write in LIBs varibale of .pro file .
if i write as below it is not working..

LIBS += -LD:\programming -lprog1.dll

where D:\programming is my folder and prog1.dll is my dll file.

This is not working. it is saying invalid file..
plz help..