Difference between revisions of "Frequently Asked Questions"

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{{FAQ
{{FAQ
|Q=Which platforms does Visual Prolog support?
|Q=Which platforms does Visual Prolog support?
|A=Visual Prolog supports Windows/2000/XP/Vista.  
|A=Visual Prolog supports those Windows platforms that Microsoft supports.
}}


There are no plans for supporting Linux or any Unix platforms.
{{FAQ
|Q=Are there any plans for supporting Linux or any Unix platforms?
|A=There are no plans for supporting Linux or any Unix platforms.
}}
}}


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{{FAQ
{{FAQ
|Q=Where can I find examples and demos?
|Q=Where can I find examples and demos?
|A=Visual Prolog examples and demost are available in several ways:
|A=Visual Prolog examples and demos are available in several ways:


Visual Prolog disctribution includes sample projects  that can be installed from the Integrated Development Environment (IDE) with the help of the command Help | Install Examples.
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.
    
    
This site contains examples provided by members of Visual Prolog Community.
Visual Prolog [[:Category:Tutorials|tutorials]] discuss examples that are included in the distribution.
 
 
Visual Prolog [[:Category:Tutorials|tutorials]] discuss examples that might be downloaded. You will be suggested to download source files while reading these tutorials.
The Personal Edition only contains examples that can be built and run with that edition.
For example, the tutorials [[Fundamental Prolog Part 1]], [[Fundamental Prolog Part 2]], and [[Fundamental Visual Prolog]] discuss a well-known prolog family example in details.  
}}
}}


{{FAQ
{{FAQ
|Q=How do I make and use COM objects?
|Q=What is the difference between the Personal Edition and the Commercial Edition?
|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.
|A=The Personal Edition is free where as the Commercial Edition must be purchased.
}}


{{FAQ
The Personal Edition is limited to non commercial usage.
|Q=Does the current version of Visual Prolog include the Help Maker from Visual Prolog 5.x?
|A=No. Visual Prolog 5.2 Help Maker provided creating Help systems in WinHelp format (.hlp) that is outdated now.


To create Help systems for Visual Prolog  applications, please, use MS Help Workshop or third-party tools that create Help systems in MS HTML Help format (.chm) or other modern Help formats.
The personal Edition contains a reduced library.
}}
}}


{{FAQ
{{FAQ
|Q=Is it possible to use a DLL, created by Visual Prolog, in a Microsoft.NET project?
|Q=How do I make and use COM objects?
|A=Yes. It is possible. Such DLL created by Visual Prolog should have predicates exported with stdcall calling convention. And VB.NET or C#.NET code should call it in the same manner as invocation of an API function.
|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.
 
You are welcome to download How to Use Visual Prolog DLL from .Net example that creates a Visual Prolog DLL and shows how a program, created by Visual Basic .NET, can call a predicate, exported by this DLL.
}}
}}


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|A=No. Registration in the Discussion Forum and registration of Visual Prolog Personal Edition are two different registrations.
|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).
To register your Personal Edition you need to use the '''WEB -> Register''' menu item in the Integrated Development Environment (IDE).
}}
 
{{FAQ
|Q=Can I compile my Visual Prolog 5.x program in the current version of Visual Prolog?
|A=No, the current version of Visual Prolog is not backwards compatible with Visual Prolog 5.x.  The syntax has been changed in certain respects, and all Visual Prolog code must be in classes.  But Visual Prolog  contains backwards-libraries that have almost identical interface and behavior.
 
Prolog Development Center has released the migration tool that can assist in migrating code from Visual Prolog 5.
Please see [[Getting Started]] for details.
}}
}}


[[Category:Basic Information]]
[[Category:Basic Information]]

Latest revision as of 17:28, 12 March 2020

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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