Function Reference


_GUICtrlComboBox_SetItemHeight

Set the height of list items or the selection field in a ComboBox

#include <GuiComboBox.au3>
_GUICtrlComboBox_SetItemHeight ( $hWnd, $iHeight [, $iComponent = -1] )

Parameters

$hWnd Control ID/Handle to the control
$iHeight The height, in pixels, of the combo box component identified by $iComponent
$iComponent [optional] Use the following values:
    –1 - Set the height of the selection field
    0 - Set the height of list items

Return Value

Success: 0.
Failure: -1 if height is invalid.

Related

_GUICtrlComboBox_GetItemHeight

Example

#include <GuiComboBox.au3>
#include <GUIConstantsEx.au3>

Global $g_idMemo

Example()

Func Example()
        ; Create GUI
        GUICreate("ComboBox Get/Set Item Height (v" & @AutoItVersion & ")", 400, 296)
        Local $idCombo = GUICtrlCreateCombo("", 2, 2, 396, 296)
        $g_idMemo = GUICtrlCreateEdit("", 2, 32, 396, 266, 0)
        GUICtrlSetFont($g_idMemo, 9, 400, 0, "Courier New")
        GUISetState(@SW_SHOW)

        ; Add files
        _GUICtrlComboBox_BeginUpdate($idCombo)
        _GUICtrlComboBox_AddDir($idCombo, @WindowsDir & "\*.exe")
        _GUICtrlComboBox_EndUpdate($idCombo)

        ; Get Item Height (selection field)
        MemoWrite("Item Height (selection field): " & _GUICtrlComboBox_GetItemHeight($idCombo))

        ; Get Item Height (list items)
        MemoWrite("Item Height (list items): " & _GUICtrlComboBox_GetItemHeight($idCombo, 0))

        ; Set Item Height (selection field)
        _GUICtrlComboBox_SetItemHeight($idCombo, 18)

        ; Set Item Height (selection field)
        _GUICtrlComboBox_SetItemHeight($idCombo, 20, 0)

        ; Get Item Height (selection field)
        MemoWrite("Item Height (selection field): " & _GUICtrlComboBox_GetItemHeight($idCombo))

        ; Get Item Height (list items)
        MemoWrite("Item Height (list items): " & _GUICtrlComboBox_GetItemHeight($idCombo, 0))

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

; Write a line to the memo control
Func MemoWrite($sMessage)
        GUICtrlSetData($g_idMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite