Microsoft KB Archive/101552

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Blank Item Appears in Dialog ListBox or ComboBox


The information in this article applies to:

  • Microsoft Word for Windows, versions 2.0, 2.0a, 2.0a-CD, 2.0b, 2.0c, 6.0, 6.0a, 6.0c


A Microsoft WordBasic ListBox or ComboBox control may contain a blank selection if the array variable assignment does not begin at 0 (zero) or if the array variable is dimensioned with more elements than needed.


An array variable gives a single name to a group of related values and organizes them in a list or table.

Dim ArrayVariableName(LastElementNumber)

The first element of a WordBasic array is always numbered 0 (zero). This means that the number of the last element is one less than the number of elements. For example:

   Dim Months$(11)      'Define an array with 12 elements 

Before you display a dialog box containing a list or combo box, you must define an array and fill it with the items to be listed. For example:

   Sub Main
   Dim FourWinds$(3)   'Define an array with 4 elements
   FourWinds$(0) = "East"
   FourWinds$(1) = "West"
   FourWinds$(2) = "North"
   FourWinds$(3) = "South"
   Begin Dialog UserDialog 320, 144, "Microsoft Word"
    OKButton 207, 92, 88, 21
    CancelButton 207, 116, 88, 21
    ListBox 21, 9, 169, 96, FourWinds$(), .Listbox1
   End Dialog
   Dim dlg As UserDialog
   n = Dialog(dlg)
   End Sub 

If a value is not assigned to the first array element, FourWinds$(0), a blank selection will appear at the top of the list box. If a blank selection appears at the bottom of the list box, the number of array elements is NOT one less than the total number of elements.

   Dim FourWinds$(3)   'Define an array with 4 elements 


"Using WordBasic," by WexTech Systems and Microsoft, page 80

Kbcategory: kbusage kbmacro

Additional query words: 6.0 2.0 word6 winword user defined editor listbox combobox winword2

Keywords : kbofficeprog
Issue type :
Technology :

Last Reviewed: March 28, 2000
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