<List Box>.Count (Function)

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Limitations
List Box control based on a data file
Last element
Miscellaneous

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<List Box>.Count (Function)

In french: <Liste>.Occurrence

Returns the number of elements in a List Box, ListView or Combo Box control.

Note: The <List Box>.Count function can be used on both:

List Box controls based on a data file or populated programmatically,
single-selection or multi-selection List Box controls.

Example

// Nombre d'éléments présents dans le champ "LISTE_ListeClient"
ResNombreElément = LISTE_ListeClient.Occurrence()

Syntax

<Result> = <List Box control>.Count()

<Result>: Integer

Number of elements (rows) found in the specified control.

<List Box control>: Control name

Name of the List Box or Combo Box control to be used.

Remarks

Limitations

If the specified List Box or Combo Box control is linked to a data file that contains more than 2,147,483,647 records, the returned value is truncated to this value.

List Box control based on a data file

For a List Box control based on a data file, <List Box>.Count returns:

the total number of records found in the linked file if no filter was defined.
the number of records matching the filter if a filter was defined.
the number of records found in the query linked to the control.

The end of initialization code of control is run once the total is calculated.

Caution: The time required to calculate the number of records may be long.

Last element

To position on the last element of List Box control, use the following syntax:

<Champ Liste>.SelectPlus(<Champ Liste>.Occurrence)

<Champ Liste> = <Champ Liste>.Occurrence

<Champ Liste> = <Champ Liste>.Occurrence()

Miscellaneous

To find out the number of rows in a Table control, use <Table>.Count.
<List Box>.Count can be used on a "Combo Box" table column.

Component: wd300obj.dll