#include <GuiToolbar.au3>
#include <GuiConstantsEx.au3>
#include <WindowsConstants.au3>
#include <Constants.au3>

Opt('MustDeclareVars', 1)
Opt('GUIOnEventMode', 1)

$Debug_TB = False ; Check ClassName being passed to functions, set to True and use a handle to another control to see it work

Global $hToolbar, $iMemo
Global $iItem ; Command identifier of the button associated with the notification.
Global Enum $idNew = 1000, $idOpen, $idSave, $idHelp


Local $hGUI, $aSize

; Create GUI
$hGUI = GUICreate("Toolbar", 600, 400)
GUISetOnEvent(-3, '_exit')
$hToolbar = _GUICtrlToolbar_Create ($hGUI)
$aSize = _GUICtrlToolbar_GetMaxSize ($hToolbar)

$iMemo = GUICtrlCreateEdit("", 2, $aSize[1] + 20, 596, 396 - ($aSize[1] + 20), $WS_VSCROLL)
GUICtrlSetFont($iMemo, 9, 400, 0, "Courier New")
GUISetState()
GUIRegisterMsg($WM_NOTIFY, "_WM_NOTIFY")

; Add standard system bitmaps
_GUICtrlToolbar_AddBitmap ($hToolbar, 1, -1, $IDB_STD_LARGE_COLOR)

; Add buttons
_GUICtrlToolbar_AddButton ($hToolbar, $idNew, $STD_FILENEW)
_GUICtrlToolbar_AddButton ($hToolbar, $idOpen, $STD_FILEOPEN)
_GUICtrlToolbar_AddButton ($hToolbar, $idSave, $STD_FILESAVE)
_GUICtrlToolbar_AddButtonSep ($hToolbar)
_GUICtrlToolbar_AddButton ($hToolbar, $idHelp, $STD_HELP)

While 1
    Sleep(50)
WEnd

Func _exit()
    Exit
EndFunc

; WM_NOTIFY event handler
Func _WM_NOTIFY($hWndGUI, $MsgID, $wParam, $lParam)
    #forceref $hWndGUI, $MsgID, $wParam
    Local $tNMHDR, $event, $hwndFrom, $code, $i_idNew, $dwFlags, $lResult, $idFrom, $i_idOld
    Local $tNMTOOLBAR, $tNMTBHOTITEM
    $tNMHDR = DllStructCreate($tagNMHDR, $lParam)
    $hwndFrom = DllStructGetData($tNMHDR, "hWndFrom")
    $idFrom = DllStructGetData($tNMHDR, "IDFrom")
    $code = DllStructGetData($tNMHDR, "Code")
    Switch $hwndFrom
        Case $hToolbar
            Switch $code
                Case $NM_LDOWN
                    ;----------------------------------------------------------------------------------------------
                    MemoWrite("$NM_LDOWN: Clicked Item: " & $iItem & " at index: " & _GUICtrlToolbar_CommandToIndex ($hToolbar, $iItem))
                    ;----------------------------------------------------------------------------------------------
                Case $TBN_HOTITEMCHANGE
                    $tNMTBHOTITEM = DllStructCreate($tagNMTBHOTITEM, $lParam)
                    $i_idOld = DllStructGetData($tNMTBHOTITEM, "idOld")
                    $i_idNew = DllStructGetData($tNMTBHOTITEM, "idNew")
                    $iItem = $i_idNew
                    $dwFlags = DllStructGetData($tNMTBHOTITEM, "dwFlags")
                    If BitAND($dwFlags, $HICF_LEAVING) = $HICF_LEAVING Then
                        MemoWrite("$HICF_LEAVING: " & $i_idOld)
                    Else
                        Switch $i_idNew
                            Case $idNew
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idNew")
                                ;----------------------------------------------------------------------------------------------
                            Case $idOpen
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idOpen")
                                ;----------------------------------------------------------------------------------------------
                            Case $idSave
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idSave")
                                ;----------------------------------------------------------------------------------------------
                            Case $idHelp
                                ;----------------------------------------------------------------------------------------------
                                MemoWrite("$TBN_HOTITEMCHANGE: $idHelp")
                                ;----------------------------------------------------------------------------------------------
                        EndSwitch
                    EndIf
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc   ;==>_WM_NOTIFY

; Write message to memo
Func MemoWrite($sMessage = "")
    GUICtrlSetData($iMemo, $sMessage & @CRLF, 1)
EndFunc   ;==>MemoWrite