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Alpha5 language & functions

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    #1

    Alpha5 language & functions

    I have seen alot of phrases on peoples replies that I don't understand yet. For example - file.copy_folder(), Event, Ui_get_path, Parentfor.close(), ect. What are these? Are they functions or xbasic language? Is there any SIMPLE reading material out there that explains what they are and when & where they should be used. I don't mind searching, just guide me where.
    Tags: None
    #2
    Re: Alpha5 language & functions

    My previous file.copy_folder() is a link to the appropriate section of the wiki explaining its use. You will find much else there.
    There can be only one.

    Comment

      #3
      Re: Alpha5 language & functions

      They are xbasic functions. There are hundreds (thousands?) of them.

      This is the official help site:
      http://alphafivewiki.com/tiki-index.php

      This one is easier to use, but no longer supported:
      http://support.alphasoftware.com/alphafivehelpv9/
      Peter
      AlphaBase Solutions, LLC

       [email protected]
      https://www.alphabasesolutions.com

      Comment

        #4
        Re: Alpha5 language & functions

        A hunting I will go. Thanks for the info.

        Comment

          #5
          Re: Alpha5 language & functions

          Paul, I have a different take on this than Peter.

          Xbasic functions: these are free standing functions that are not bound to any objects in the system. Examples: str(), alltrim(), upper(), etc.

          Object Methods: these are functions that are bound to particular objects in the system. Examples: in "parentform.close()" the ".close()" method is part of the "form" object. The close() method is a function that operates within the context (or on) the object for which it has been defined. It cannot be used outside that context. Every "form" object has a collection of methods predefined for it. "close()" is one that has been defined for form objects.

          The term "parentform" is a relative object address which is a pointer to the form object within which the current object is found. i.e. in a button onPush event script "parentform" refers to the form that contains the button object.

          File.copy_folder() is a bit of a hybrid. "copy_folder()" is a method of the system object named "File".

          Table.open() is another. "open()" is a method of the system object named "Table".

          The help system terminology is pretty consistent. If you see the docs talking about a "method" then it's a function that's bound to an object. Purists might even say that the method is part of the object. Notice that methods are always "connected" to their objects with a dot, and always include a pair of parentheses at their end.

          On the other hand if you see the docs referencing a "function" then it's generally free standing and part of the xbasic scripting language. These are "free standing" and are not connected to other structures with a dot.
          Last edited by Tom Cone Jr; 12-24-2010, 09:30 AM.

          Comment

            #6
            Re: Alpha5 language & functions

            Originally posted by Tom Cone Jr View Post
            Paul, I have a different take on this than Peter.
            ...
            I wouldn't say that I have a different take. Rather, Tom has clearly expounded some nuances between object methods and functions. I confess I never think of xbasic in that way. I just learned it and used it; don't really think about it too much. But Tom is a great expert on xbasic and Alpha Five. You probably won't go wrong with Tom's advice in most any case.
            Peter
            AlphaBase Solutions, LLC

             [email protected]
            https://www.alphabasesolutions.com

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