Resetting List based on option selected

[Trinnon]

I have been messing with this listbox and trying to get the listed items to reset based on the option that is selected.  Right now it add the list but when you click on the other option it adds the list again. 

I am looking for a way to reset the list if a new option is selected.  I tried just resetting with $List1 = "" at the start of each Case but it doesnt function as I expected.  I did not see anything in the help file for clearing or resetting the list unless I missed it.

Does anyone know a way to make this work or an alternative option that would do the same thing to populate the list from a text file?

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#include <ButtonConstants.au3>
#include <EditConstants.au3>
#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <TreeViewConstants.au3>
#include <WindowsConstants.au3>
#include <GUIListBox.au3>
#include <Array.au3>
#include <File.au3>


#Region ### START Koda GUI section ### Form=\\bjcsccmfr01\osd.files\_ProdTSFiles\OSDFrontEnd-v2\OptionListFormTest.kxf
$Form1 = GUICreate("OptionListForm", 383, 437, 324, 124)
$List1 = GUICtrlCreateList("", 48, 120, 217, 266)
$Option1rdo = GUICtrlCreateRadio("Option 1", 48, 24, 73, 25)
$Option2rdo = GUICtrlCreateRadio("Option 2", 48, 56, 73, 25)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

GLOBAL $sOptionList = @ScriptDir & "\OptionList.txt"
Global $aList
Global $sList

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $Option1rdo
            _FileReadToArray($sOptionList, $aList, $FRTA_NOCOUNT)
            $sList = _ArrayToString($aList, "|")
            GUICtrlSetData($List1, $sList, "")
        Case $Option2rdo
            _FileReadToArray($sOptionList, $aList, $FRTA_NOCOUNT)
            $sList = _ArrayToString($aList, "|")
            GUICtrlSetData($List1, $sList, "")
        Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch
WEnd

Thanks,
Trinnon

[Nine]

GUICtrlSetData($idMylist, "")

As per example in help file of GUICtrlCreateList

[Trinnon]

Completely missed that one.  Works perfectly.

Thanks!!!