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How can I tell if a listbox is empty using an If statement?

would it be If $Listbox = 0 Then

??

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How about _GUICtrlListBox_GetCount() ?

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How about _GUICtrlListBox_GetCount() ?

Tried that, did:

$Online = _GUICtrlListCount($ListBox)

If $Online = 0 Then

GUICtrlSetImage($nListview, "shell32.dll", -110)

Else

GUICtrlSetImage($nListview, "shell32.dll", -138)

EndIf

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Tried that, did:

$Online = _GUICtrlListCount($ListBox)

If $Online = 0 Then

GUICtrlSetImage($nListview, "shell32.dll", -110)

Else

GUICtrlSetImage($nListview, "shell32.dll", -138)

EndIf

Try

If $Online < 0 Then

IIRC the function returns -1 when there are no items.


George

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#5 ·  Posted (edited)

And the problem is....

This works just fine

#Include <GuiListBox.au3>
    Global  $hGUI, $hListBox

    ; Create GUI
    $hGUI = GUICreate("(Internal) List Box Get Count", 400, 296)
    $hListBox = GUICtrlCreateList("", 2, 2, 396, 296)

    GUISetState()

    ; Get item count
    $count=_GUICtrlListBox_GetCount ($hListBox)
    MsgBox (4160, "Information", "Item count: " & $count)
    
    If $count=0 Then MsgBox(0,"","it's empty")

    ; Loop until user exits
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
    Exit

-edit-: Just noticed he used a different UDF.

Edited by Nahuel

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Try

If $Online < 0 Then

IIRC the function returns -1 when there are no items.

That didn't work either... :)

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any suggestions?

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What does this do?

MsgBox(0, '', _GUICtrlListCount($ListBox))

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