[madmasles]

VNRed_OK,
Можно так.

Код:

#include <GUIConstants.au3>
#include <GUIComboBoxEx.au3>

Local $sTxt

$hGUI = GUICreate('ComboBoxEx', 300, 150)
$idBtn = GUICtrlCreateButton('OK', 180, 18, 50, 20);OK
$hCombo = _GUICtrlComboBoxEx_Create($hGUI, 'Брх|Чеп|Леб|Б-Б|Нов', 110, 10, 60, 200, $CBS_DROPDOWNLIST)
_GUICtrlComboBoxEx_SetCurSel($hCombo, Random(0, 4, 1))
GUISetState()

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            Exit
        Case $idBtn
            If _GUICtrlComboBoxEx_GetItemText($hCombo, _GUICtrlComboBoxEx_GetCurSel($hCombo), $sTxt) > 0 Then
                ConsoleWrite($sTxt & @LF)
            Else
                ConsoleWrite('!Error' & @LF)
            EndIf
    EndSwitch
WEnd