If modeling projects aren't available, check that you have the Ultimate version. Create a new UML Class Diagram and drag classes, interfaces and enumerations from the toolbox, as shown in Figure 1. ..

The UML modeler is built on top of the Domain-Specific Language (DSL) Toolkit, so you'll need to download and install the Visual Studio 2010 SDK and the Visual Studio 2010 Visualization and Modeling ...