Borland's ECO (Enterprise Core Object) is a part of the Borland Developer Studio. ECO is a model powered application framework that integrates MDA (Model Driven Architecture) to the well known Delphi IDE.
This book provides a perfect introduction to this fascinating module.
More than 50 examples will give you a detailed view on ECO programming.
The source code of the examples is freely available at www.ecospace.de.