#include <GUIConstantsEx.au3>
#include <GuiListView.au3>
#include <MsgBoxConstants.au3>

Example()

Func Example()
        GUICreate("ListView Item Deletion", 400, 500)
        Local $idListview = GUICtrlCreateListView("Col 1               |Col 2      |Col 3      ", 10, 10, 380, 480, $LVS_SHOWSELALWAYS)
        GUISetState(@SW_SHOW)

        For $i = 0 To 9
                GUICtrlCreateListViewItem("Native Item " & $i & "|Item " & $i & "-1|Item " & $i & "-2", $idListview)
        Next
        For $i = 10 To 20
                _GUICtrlListView_AddItem($idListview, "UDF Item " & $i, -1, 1000 + $i)
                _GUICtrlListView_AddSubItem($idListview, $i, "Item " & $i & "-1", 1)
                _GUICtrlListView_AddSubItem($idListview, $i, "Item " & $i & "-2", 2)
        Next

        ; Pass the controlID of a native-created ListView to delete both native- and UDF-created Items
        MsgBox($MB_SYSTEMMODAL, "Delete item", "Deleting UDF-created Item 12")
        _GUICtrlListView_DeleteItem($idListview, 12)

        MsgBox($MB_SYSTEMMODAL, "Single", "Deleting native-created Item 5")
        _GUICtrlListView_DeleteItem($idListview, 5)

        ; Loop until the user exits
        While 1
                Switch GUIGetMsg()
                        Case $GUI_EVENT_CLOSE
                                ExitLoop

                EndSwitch
        WEnd

        ; Delete the previous GUI and all controls.
        GUIDelete()
EndFunc   ;==>Example

#include <GUIConstantsEx.au3>
#include <GuiListView.au3>
#include <MsgBoxConstants.au3>

Example_UDF_Created()

Func Example_UDF_Created()
        Local $aItems[10][3]

        Local $hGUI = GUICreate("(UDF Created) ListView Delete All Items", 400, 300)
        Local $hListView = _GUICtrlListView_Create($hGUI, "col1|col2|col3", 10, 10, 380, 280)
        GUISetState(@SW_SHOW)

        ; 3 column load
        For $i = 0 To UBound($aItems) - 1
                $aItems[$i][0] = "Item " & $i
                $aItems[$i][1] = "Item " & $i & "-1"
                $aItems[$i][2] = "Item " & $i & "-2"
        Next

        _GUICtrlListView_AddArray($hListView, $aItems)

        MsgBox($MB_SYSTEMMODAL, "Delete item", "Deleting Item 7")
        ; Pass the handle of a native-created ListView
        _GUICtrlListView_DeleteItem($hListView, 7)

        ; Loop until the user exits
        While 1
                Switch GUIGetMsg()
                        Case $GUI_EVENT_CLOSE
                                ExitLoop

                EndSwitch
        WEnd

        ; Delete the previous GUI and all controls.
        GUIDelete()
EndFunc   ;==>Example_UDF_Created