Help with creating Labview library (.llb file) from okFrontPanel.dll


I am trying to create a shared library (.llb file) for Labview out of the okFrontPanel.dll file that comes with FrontPanelUSB 4.0.8. There is an option in Labview that allows one to import the .dll file, but I need some help with the importation process.

Basically, the program asks you for the .dll file, and for the .h file. I have added both to the importation wizard, but I get an error that says I need to add preprocessor definitions. I’m not exactly sure what this means, so could someone help walk me through this process? I’d sure appreciate any help you guys can provide.