Access 2000 : Cannot see selected form records (seltop, selheight)

I want a form button to process the (more than one) rows selected by the mouse on the record selector at left of form.
However when the button shows me the following (on button Click event):

    MsgBox "form.selheight=" & Me.SelHeight & "  form.seltop=" & Me.SelTop

the SelHeight is reported as zero (as if the selection has lost the focus has been taken from the multple selection) even though I selected 2 or more records.

The same happens when
1/ button Enter event (ie before it has focus) is used
2/ the button is in a subform referencing Me.Parent.sel___ )

Any ideas how my code can "see" the selection ?
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jadedataMS Access Systems CreatorCommented:
Hey starrynighter!

  Have you consider using a Extended Multiselect Listbox for this purpose instead.
  The listbox has a ItemsSelect collection that can be used to accomplish this multi-select processing.

starrynighterAuthor Commented:
Yes- and I may do, but the appeal of the record selection that I am trying to do is that the data being viewed can be quite long and multi-line per attribute (although I could remove the linefeeds to present it in a list box).
jadedataMS Access Systems CreatorCommented:
On a form the records MUST be selected in a contiguous list.
Your problem is with the change in focus.  Once focus is lost from the subform the .seltop/selheight properties get murky.

With the list box you wouldn't have this issue.

If you only want one line to appear then only select the first 50-60 chrs of the value as the listbox visible value.

A multi-line value is not usually optimal for multiple selection actions.
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starrynighterAuthor Commented:
Thanks Jack- I appreciate your points but I have good reasons for wanting to do it this way.

I found the solution at

The essence of the solution provided is that the .seltop/.selheight values are captured via a "mouse move" event on the button in question BEFORE it gets focus (ie while the selected records are still selected)

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