Listview + checkboxes

#NoTrayIcon
#include <GUIConstantsEx.au3>
#include <GUIListView.au3>
#include <WindowsConstants.au3>
#include <ButtonConstants.au3>
#include <GUIButton.au3>

Example()

Func Example()
    Local Const $hGUI = GUICreate("", 400, 300, -1, -1, BitOR($GUI_SS_DEFAULT_GUI, $WS_MAXIMIZEBOX, $WS_SIZEBOX))
    Local Const $iListView = GUICtrlCreateListView("", 0, 0, 400, 270)
    Local Const $hListView = GUICtrlGetHandle($iListView)
    $hlistviewHeader = _GUICtrlListView_GetHeader($hlistview)
    $chk = _GUICtrlButton_Create($hlistviewHeader, "", 0, 0, 20, 20, $BS_AUTOCHECKBOX)
    _GUICtrlListView_SetExtendedListViewStyle($hListView, BitOR($LVS_EX_FULLROWSELECT, $LVS_EX_CHECKBOXES))
    GUICtrlSetResizing(-1, $GUI_DOCKBORDERS)

    Local $iSelectionState = GUICtrlCreateButton("Change State", 400 - 90, 275, 85, 22.5)
    GUICtrlSetResizing(-1, $GUI_DOCKRIGHT + $GUI_DOCKSIZE + $GUI_DOCKBOTTOM)

    GUISetState(@SW_SHOWNORMAL, $hGUI)

    __ListViewFill($hListView, Random(1, 5, 1), Random(2, 15, 1), 1) ; Randomly fill data in a ListView.

    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop

            Case $iSelectionState
                _GUICtrlListView_SetCheckedStates($hListView, 2)
                MsgBox(4096, "", "All items were inverted, so if an item was checked before it was unchecked afterwards.")

                _GUICtrlListView_SetCheckedStates($hListView, 0)
                MsgBox(4096, "", "All items were unchecked.")

                _GUICtrlListView_SetCheckedStates($hListView, 1)
                MsgBox(4096, "", "All items were checked.")
        EndSwitch
    WEnd

    Return GUIDelete($hGUI)
EndFunc   ;==>Example

;~ $iType: 0 - UnCheck all, 1 - Check all & 2 - Invert selection.
Func _GUICtrlListView_SetCheckedStates(Const $hListView, Const $iType) ; By Zedna, Modified by guinness.
    Local $fState = False

    Local Const $iCount = _GUICtrlListView_GetItemCount($hListView)

    If $iType < 0 Or $iType > 2 Then
        Return SetError(1, 0, 0)
    EndIf

    If $iType Then
        $fState = True
    EndIf

    For $i = 0 To $iCount - 1
        If $iType = 2 Then
            $fState = Not _GUICtrlListView_GetItemChecked($hListView, $i) ; Invert checked state with $iType 2.
        EndIf

        _GUICtrlListView_SetItemChecked($hListView, $i, $fState)
    Next
EndFunc   ;==>_GUICtrlListView_SetCheckedStates

Func __ListViewFill(Const $hListView, Const $iColumns, Const $iRows, Const $iCheckboxes = 0) ; Randomly fill data in a ListView.
    For $A = 0 To $iColumns - 1
        _GUICtrlListView_InsertColumn($hListView, $A, "Column " & $A + 1, 50)
        _GUICtrlListView_SetColumnWidth($hListView, $A - 1, -2)
    Next

    For $A = 0 To $iRows - 1
        _GUICtrlListView_AddItem($hListView, Chr(Random(65, 90, 1)) & " - Row " & $A + 1 & ": Col 1", $A)

        If Random(0, 1, 1) And $iCheckboxes Then
            _GUICtrlListView_SetItemChecked($hListView, $A)
        EndIf

        For $B = 1 To $iColumns
            _GUICtrlListView_AddSubItem($hListView, $A, "Row " & $A + 1 & ": Col " & $B + 1, $B)
        Next
    Next
EndFunc   ;==>__ListViewFill