What is TLB olb?

TLB: Type Library

Olb: Object Library

Both TLB and olb are component classes. Each component in the component category implements some identical interfaces (not all interfaces are the same ).

But all interfaces that must be implemented by this component category.

For example, esricontrolcommands (ESRI control commands Object Library)

Esricontrolcommands. controlsmapzoomin class

The first is the project name, followed by the class name.

Each registered TLB and olb will appear in the reference