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How to create a local Collection in Access 2000 form code

Posted on 2001-06-14
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Last Modified: 2010-05-02
In an Access 2000 Form,
I've got a number of text fields on the form that I want to either hide or unhide (in groups) depending on use selection. What I thought I would do is:
- Declare some collections for the normal grouping of these fields and add the fields to the appropriate collections
- If I need to .visible=false any of the groups I could use a :
           For each x in coll
                    .visible=false
          next x
 
  To hide/unhide the groups.

MY PROBLEM IS:
I cannot find a way to add the textfields to the collections without having to invoke a procedure (because I want them to be always part of the collection, not just after I run a procedure (because I may not always run a procedure before needing the collection)).

How do I add elements to a collection object outside the scope of any procedure?
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Question by:Sparrow1
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8 Comments
 
LVL 4

Expert Comment

by:beckingh
ID: 6192208
Declare the Collection with module/global scope.  So outside of any procedure.

Then in your form_load event add the fields to the collection.
0
 
LVL 4

Expert Comment

by:beckingh
ID: 6192223
Form1.frm:

'****************************
Public moColl as Collection

Private Sub Form_Load()
  set moColl = new Collection

  moColl.Add Text1

End Sub

Private Sub Form_Unload()
  Set moColl = Nothing

End Sub
0
 
LVL 4

Expert Comment

by:beckingh
ID: 6192224
Form1.frm:

'****************************
Public moColl as Collection

Private Sub Form_Load()
  set moColl = new Collection

  moColl.Add Text1

End Sub

Private Sub Form_Unload()
  Set moColl = Nothing

End Sub
0
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Author Comment

by:Sparrow1
ID: 6192233
So I have to add the fields to the collection inside of a method? I can't do like a static add or such?
0
 

Author Comment

by:Sparrow1
ID: 6192297
Also, if I have to use procedures, should I use Load/Unload, Activate/DeActivate or Open/Close?
0
 
LVL 4

Accepted Solution

by:
beckingh earned 600 total points
ID: 6192314
I'd use Load/Unload.  Guaranteed to only happen once, and before and after (respectively) most everything else.

No way to do a static add to a collection.

But this is pretty standard coding practice.  Write yourself a function to do the add, and call it from the load event.
0
 

Author Comment

by:Sparrow1
ID: 6192564
Thank you very much for your prompt response and continued support. Your answers were exactly what I was looking for.
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LVL 4

Expert Comment

by:beckingh
ID: 6193060
No trouble at all.  Glad I could help.
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