Suchfunktion mit unterstützung von "weitersuchen" wenn es mehrere items gibt?

[autoit]

Func search()
#Region ### START Koda GUI section ### Form=
$Form = GUICreate("Suchen", 400, 116, 294, 142,Default,Default,$Form1)
GUISetIcon("C:\Windows\System32\shell32.dll")
GUISetBkColor(0xFFFFFF)
$searchinput = GUICtrlCreateInput("", 93, 12, 190, 21)
$Label1 = GUICtrlCreateLabel("Suchbegriff:", 15, 15, 61, 17)
$Label2 = GUICtrlCreateLabel("", 12, 45, 239, 17)
$okbutton = GUICtrlCreateButton("OK", 309, 12, 81, 25, $WS_GROUP)
$weitersuchen = GUICtrlCreateButton("Weitersuchen", 309, 45, 81, 25, $WS_GROUP)
$abbrechenbutton = GUICtrlCreateButton("Abbrechen", 309, 78, 81, 25, $WS_GROUP)
$Radio1 = GUICtrlCreateRadio("von oben beginnen", 12, 69, 113, 17)
$Radio2 = GUICtrlCreateRadio("von unten beginnen", 12, 90, 113, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

[/autoit] [autoit][/autoit] [autoit]

While 1
$nMsg = GUIGetMsg()
Switch $nMsg
Case $GUI_EVENT_CLOSE
GUIDelete()
ExitLoop
Case $searchinput
IF _IsPressed ("0D") = 1 then
$find = _GUICtrlListView_FindInText($Liste, GUICtrlRead ($searchinput))
If $find < 0 Then
MsgBox(0, "Suchen", "Der gesuchte Begriff konnte nicht gefunden werden...")
else
$lastitem = _GUICtrlListView_ClickItem(GUICtrlGetHandle($Liste), $find)
EndIf
EndIf
GUICtrlSetState ($okbutton,$GUI_FOCUS)
Case $okbutton
$find = _GUICtrlListView_FindInText($Liste, GUICtrlRead ($searchinput))
If $find < 0 Then
MsgBox(0, "Suchen", "Der gesuchte Begriff konnte nicht gefunden werden...")
else
$lastitem = _GUICtrlListView_ClickItem(GUICtrlGetHandle($Liste), $find)
EndIf

[/autoit] [autoit][/autoit] [autoit]

Case $abbrechenbutton
GUIDelete()
ExitLoop

[/autoit] [autoit][/autoit] [autoit]

Case $weitersuchen
$find = _GUICtrlListView_FindInText($Liste, GUICtrlRead ($searchinput),$lastitem+1)
$lastitem = _GUICtrlListView_ClickItem(GUICtrlGetHandle($Liste), $find)
EndSwitch
WEnd
EndFunc

[/autoit]