Function Reference


_GUICtrlComboBoxEx_SetDroppedWidth

Set the maximum allowable width, in pixels, of the ListBox of a ComboBox

#include <GuiComboBoxEx.au3>
_GUICtrlComboBoxEx_SetDroppedWidth ( $hWnd, $iWidth )

Parameters

$hWnd Handle to the control
$iWidth The width of the ListBox, in pixels

Return Value

Success: the new width of the ListBox.
Failure: -1.

Remarks

By default, the minimum allowable width of the drop-down ListBox is zero.
The width of the ListBox is either the minimum allowable width or the ComboBox width, whichever is larger.

Use $CBS_DROPDOWN or $CBS_DROPDOWNLIST style.

Related

_GUICtrlComboBoxEx_GetDroppedWidth

Example

#include "Extras\HelpFileInternals.au3"

#include <GuiComboBoxEx.au3>
#include <GUIConstantsEx.au3>
#include <GuiImageList.au3>

Example()

Func Example()
    ; Create GUI
    Local $hGUI = GUICreate("ComboBoxEx Get/Set Dropped Width (v" & @AutoItVersion & ")", 400, 300)
    Local $hCombo = _GUICtrlComboBoxEx_Create($hGUI, "", 2, 2, 394, 100)
    _MemoCreate(2, 32, 396, 266, 0)
    GUISetState(@SW_SHOW)

    Local $hImage = _GUIImageList_Create(16, 16, 5, 3)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 110)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 131)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 165)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 168)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 137)
    _GUIImageList_AddIcon($hImage, @SystemDir & "\shell32.dll", 146)
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0xFF0000, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0x00FF00, 16, 16))
    _GUIImageList_Add($hImage, _GUICtrlComboBoxEx_CreateSolidBitMap($hCombo, 0x0000FF, 16, 16))
    _GUICtrlComboBoxEx_SetImageList($hCombo, $hImage)

    For $x = 0 To 8
        _GUICtrlComboBoxEx_AddString($hCombo, StringFormat("%03d : string", $x), $x, $x)
    Next

    ; get dropped width
    _MemoWrite("Dropped Width......: " & _GUICtrlComboBoxEx_GetDroppedWidth($hCombo))

    Sleep(500)

    ; show drop down
    _GUICtrlComboBoxEx_ShowDropDown($hCombo, True)

    Sleep(500)

    ; hide drop down
    _GUICtrlComboBoxEx_ShowDropDown($hCombo)

    ; set Dropped Width
    _GUICtrlComboBoxEx_SetDroppedWidth($hCombo, 500)

    Sleep(500)

    ; get dropped width
    _MemoWrite("Dropped Width......: " & _GUICtrlComboBoxEx_GetDroppedWidth($hCombo))

    Sleep(500)

    ; show drop down
    _GUICtrlComboBoxEx_ShowDropDown($hCombo, True)

    Sleep(500)

    ; hide drop down
    _GUICtrlComboBoxEx_ShowDropDown($hCombo)

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