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Class Definition is not found
Message
From
07/01/2012 13:30:21
 
 
To
06/01/2012 16:58:12
General information
Forum:
Visual FoxPro
Category:
Classes - VCX
Environment versions
Visual FoxPro:
VFP 8 SP1
Miscellaneous
Thread ID:
01532347
Message ID:
01532389
Views:
133
>I have a Class Library common_libs.vcx
>
>Looking at it in the Class Browser there is a class cntPartno
>
>within cntPartno are several subclasses (cntAvl, cntExcess, cntMRB, etc.)
>
>I want to create a new subclass cntDMR which will be a duplicate of cntMRB.
>
>I Created a new ClassLib (clsTemp.vcx)
>
>I opened two instances of the class browser. In the first one I opened common_libs. In the second I opened clsTemp.
>
>In the first class browser I clicked on cntMRB. I then CTRL-Clicked on the icon just to the left of the drop-down at the top of the screen and dragged it into the second class browser. I now have cntMRB showing in both class browsers.
>
>I renamed the class in the second browser and CTRL-Click dragged it back to the first. The renamed class shows up in the first browser where I expect (underneath cntPartno)
>
>I then modified cntMRB by putting a MESSAGEBOX statement so that I could tell I was working with the correct library.
>
>Everything works fine in my test environment within VFP.
>
>However, when I compile the APP file and install it into my production environment I get a "Class Definition cntDMR is not found" message. Invoking cntMRB shows the new MESSAGEBOX.
>
>Have I done anything wrong in the way I created this new class?


I would do this as follows:
Click on File ->New (in the VFP menu)
Select the option Class en click on button New file
You will be selected with a window “New Class”
In first textbox you give cntDMR for Class Name
Your click on the … button in the “Based on” line.
This will open a getfile() prompt which will be restricted to Class Library.
Now find and locate your class library common_libs.vcx when you have selected that, there will be listed, in the right panel. a list of all the classes in this selected library. Select in this case the class cntMRB
Click on open button in the getfile prompt and you will be returned to the window “New Class”
Now you can either store your cntDMR class in the common_libs.vcx or select an other or new class by clicking on the … button in the Store in line.
When done you can start making additional modifications to your just newly created cmdDMR class. Open the library etc . etc.

Regards,
Koen
>
>Any suggestions on how to fix this will be greatly appreciated.
>
>Thanks to all.........Rich
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