Function Reference

_GUICtrlComboShowDropDown

Show or hide the list box of a combo box

#Include <GuiCombo.au3>
_GUICtrlComboShowDropDown($h_combobox, $i_bool)

Parameters

$h_combobox	control id/control hWnd
$i_bool	Specifies whether the drop-down list box is to be shown or hidden

Return Value

None.

Remarks

Requirement: $CBS_DROPDOWN or $CBS_DROPDOWNLIST style

$i_bool = TRUE shows the list box
$i_bool = FALSE hides it

This message has no effect on a combo box created with the $CBS_SIMPLE style

Example

#include <GuiConstants.au3>
#include <GuiCombo.au3>

Opt('MustDeclareVars',1)

Dim $Label,$Input,$Btn_Show,$Btn_Hide,$Combo,$Btn_Exit,$msg,$ret

GuiCreate("ComboBox Show Dropdown", 392, 254)

$Combo = GuiCtrlCreateCombo("", 70, 10, 270, 120)
GUICtrlSetData($Combo,"AutoIt|v3|is|freeware|BASIC-like|scripting|language")
$Btn_Show = GuiCtrlCreateButton("Show", 80, 140, 90, 30)
$Btn_Hide = GuiCtrlCreateButton("Hide", 220, 140, 90, 30)
$Btn_Exit = GuiCtrlCreateButton("Exit", 150, 180, 90, 30)
GuiSetState()
While 1
$msg = GuiGetMsg()
Select
Case $msg = $GUI_EVENT_CLOSE Or $msg = $Btn_Exit
ExitLoop
Case $msg = $Btn_Show
_GUICtrlComboShowDropDown($Combo,1)
Case $msg = $Btn_Hide
_GUICtrlComboShowDropDown($Combo,0)
EndSelect
WEnd
Exit