# Function Reference

# _GUICtrlListBox_GetListBoxInfo

Retrieve the number of items per column in a specified list box

#include <GuiListBox.au3>
_GUICtrlListBox_GetListBoxInfo ( $hWnd )

## Parameters

$hWnd | Control ID/Handle to the control

## Return Value

Returns the number of items per column.

## Example

    #include <GUIConstantsEx.au3>
    #include <GuiListBox.au3>
    #include <MsgBoxConstants.au3>

    Example()

    Func Example()
        Local $idListBox

        ; Create GUI
        GUICreate("List Box Get ListBox Info", 400, 296)
        $idListBox = GUICtrlCreateList("", 2, 2, 396, 296)
        GUISetState(@SW_SHOW)

        ; Add strings
        _GUICtrlListBox_BeginUpdate($idListBox)
        For $iI = 1 To 9
            _GUICtrlListBox_AddString($idListBox, StringFormat("%03d : Random string", Random(1, 100, 1)))
        Next
        _GUICtrlListBox_EndUpdate($idListBox)

        ; Show items per column
        MsgBox($MB_SYSTEMMODAL, "Information", "Items per column: " & _GUICtrlListBox_GetListBoxInfo($idListBox))

        ; Loop until the user exits.
        Do
        Until GUIGetMsg() = $GUI_EVENT_CLOSE
        GUIDelete()
    EndFunc   ;==>Example