A Visual Basic .NET example can be found in
pbnetexamples('vb_examples.NET/calculator'). It is a simple
calculator similar to the first C# EvaluateGUI
example in
PB First Example. This example is in the form of a Visual
Studio project.
To run the example:
sicstus -l %SP_PATH%/library/prologbeans/examples/evaluate/evaluate --goal "main."