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[NutStomper]

Edited July 13, 2013 by NutStomper

[BrewManNH]

This, _GUICtrlListBox_SelItemRange, might work. The last parameter will set or deselect the highlight on an item in a listbox.

[Melba23]

NutStomper,

The easiest way is to reload the contents:

#include <GUIConstantsEx.au3>

$sData = "|1|2|3|4|5|6|7|8|9|0"

GUICreate("List", 160, 200)

$cList = GUICtrlCreateList("", 10, 10, 140, 140)
GUICtrlSetData($cList, $sData)

$cButton = GUICtrlCreateButton("Unselect", 10, 160, 80, 30)

GUISetState()

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            ExitLoop
        Case $cButton
            GUICtrlSetData($cList, $sData)
    EndSwitch
WEnd

Good enough?

M23

[BrewManNH]

I forgot about the _GUICtrlListBox functions. It appears that _GUICtrlListBox_SelItemRange will only work when the List items were created with _GUICtrlListBox_AddString and not GUICtrlSetData. Yes, Melba, that will work well enough. Thanks.

That's not true, it will work with items added using GUICtrlSetData, but the listbox has to be set to accept multiple selections in it by using the styles $LBS_EXTENDEDSEL or $LBS_MULTIPLESEL when creating the listbox.

Edited May 20, 2013 by BrewManNH