With MDL, You Can:

• Develop tightly integrated interactive applications that run inside MicroStation and "look and feel" like a part of MicroStation.In fact, many features of MicroStation are implemented as MDL applications.
• Extend or customize the existing features provided in MicroStation with the help of wide range of APIs, delivered as collection of libraries with MicroStation SDK.
• Enable user interface-related data to be organized for efficient translation for foreign language markets.