Error when making my own dll!

[RapchikProgrammer]

I am trying to create a dll of a project that used to be a static library, when creating a dll everything compiles but when i implement the project in a example application i get 'unresolved external symbol' errors at all the functions used from the library and at all instances of classes initialized! I have only exported one function which is similar to irrlichts createDevice function and returns a pointer to the root class! I am compiling my app in vc6!