Frequently Asked Questions

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Q: How to get started with Visual Prolog?
A: Start by reading Getting Started.
Q: Which platforms does Visual Prolog support?
A: Visual Prolog supports those Windows platforms that Microsoft supports.
Q: Are there any plans for supporting Linux or any Unix platforms?
A: There are no plans for supporting Linux or any Unix platforms.
Q: What are the differences between Visual Prolog and traditional Prolog?
A: The differences between traditional Prolog and Visual Prolog can be broadly divided into these categories:
  1. Program structure differences
    There are distinct, yet easy to understand differences between the structure used in traditional Prolog and that used in Visual Prolog. It essentially comprises of understanding how to mark out the declarations from the definitions, and to indicate the main Goal that the program has to seek using specific keywords.
  2. File considerations
    Visual Prolog gives various facilities to organize the structure of the program into different kinds of files.
  3. Scope access issues
    A Visual Prolog program can pick up functionality developed in other modules using a concept called scope identification.
  4. Object orientation
    A Visual Prolog program can be written as an object-oriented program, using classic object oriented features.

See Fundamental Visual Prolog tutorial for details.

Q: Where can I find examples and demos?
A: Visual Prolog examples and demos are available in several ways:

Visual Prolog distribution includes sample projects that can be installed from the Integrated Development Environment (IDE) with the help of the command Help -> Install Examples.

Visual Prolog tutorials discuss examples that are included in the distribution.

The Personal Edition only contains examples that can be built and run with that edition.

Q: What is the difference between the Personal Edition and the Commercial Edition?
A: The Personal Edition is free where as the Commercial Edition must be purchased.

The Personal Edition is limited to non commercial usage.

The personal Edition contains a reduced library.

Q: How do I make and use COM objects?
A: Visual Prolog is COM compatible, the IDE can generate necessary wrap classes and interfaces based on a type library supplied with the COM object.
Q: Can I use my registration in the Discussion Forum to have Registered Visual Prolog Personal Edition and vice versa?
A: No. Registration in the Discussion Forum and registration of Visual Prolog Personal Edition are two different registrations.

To register your Personal Edition you need to use the WEB -> Register menu item in the Integrated Development Environment (IDE).

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