Hello. The DLL files that come with the Maestro Control Center and the Pololu USB SDK are actually .NET assemblies; they are not regular DLLs. You will probably need to use some kind of .NET programming environment to access them. Does Code::Blocks let you do .NET stuff? Since you are in Linux, you could look into using Mono. Alternatively, you could just talk to the Maestro through libusb 1.0. The code for doing that can be pretty short depending on what you want to do. Here is some example code written by another customer:
–David