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Q134790: How to Add Code to Wizard-Generated Command Buttons

Article: Q134790
Product(s): Microsoft FoxPro
Version(s): 3.00    | 3.00b
Operating System(s): 
Keyword(s): 
Last Modified: 26-AUG-1999

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 3.0 
- Microsoft Visual FoxPro for Macintosh, version 3.0b 
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SUMMARY
=======

You can add code to command buttons created by the Form Wizard and still have
the command buttons function properly.

MORE INFORMATION
================

The command buttons created by the Form Wizard are based on classes defined in
the Vfp\Wizards\Wizstyle.vcx visual class library.

All of the command buttons are contained in one of three classes, depending on
which style of buttons was used:

class Name      Button Style
--------------------------------
txtbtns         Horizontal; text
verttxtbtns     Vertical; text
picbtns         Horizontal; picture

Each button is assigned an individual name, following recommended Visual FoxPro
naming conventions:

  cmdPrev
  cmdNext
  cmdTop
  cmdEnd
  cmdFind
  cmdPrint
  cmdAdd
  cmdEdit
  cmdDelete
  cmdExit

The code for each button is contained in the class definition, not in each button
on the form. If method code is entered in an event, such as the click event,
which also has code defined in the parent class, the new code will override the
parent class code. The parent class code must be explicitly called within the
method.

You can add code to the buttons in a generated screen, as long as the code in the
parent class is called using the scope resolution operator, as in this example:

     txtbtns.cmdAdd::Click
     WAIT WINDOW "I just called the parent click code"

If you want the additional code to be processed prior to the default button
behavior, place it before the line that calls the parent method. If you want the
additional to be processed after the default button behavior, place it after the
line that calls the parent method.

Additional query words: VFoxMac VFoxWin

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Keywords          :  
Technology        : kbHWMAC kbOSMAC kbVFPsearch kbAudDeveloper kbVFP300bMac kbVFP300
Version           : 3.00    | 3.00b

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