Different means of use the library

You can use the library in theses ways :

Use it with DLL

With your compiler, you can access to the DLL with some interface code.
There are some examples in the DLL file released, please take a look on them.
Copy the code related to the DLL interface, into your code.

Use it with ActiveX

With a HTML editor or a VBS editor, you can access to the DLL with some interface code.
There are some examples in the DLL file released (in the "contrib" directory), please take a look on them

Build from source

If you want to compile yourself, you need first some third party software.
A "How to" for third party is here

After having compiled all needed third party libraries, download the source code, and compile MediaInfoLib.
Note : You can compile it with or without UNICODE support. Best is to active UNICODE