GuiCtrlSetOnEvent Example

#include <ButtonConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
Opt ("GuiOnEventMode",1)
$Form = GUICreate("GUI", 600, 450)
$Button_P = GUICtrlCreateButton("Disable Buttons \/", 50, 30, 120, 25)
Global $Button[6]
For $i = 0 To 5
    $Button[$i] = GUICtrlCreateButton("Button "&$i, 80, 65+$i*26 + 3, 75, 25)
    GUICtrlSetOnEvent($Button[$i],"Controls")
Next

GUISetOnEvent(-3,"EXIT_F")
GUICtrlSetOnEvent($Button_P,"Controls")
Global $DISABLE = False
GUISetState(@SW_SHOW)

While 1

WEnd

Func EXIT_F()
    Exit
EndFunc

Func Controls()
    Switch @GUI_CtrlId
        Case $Button_P
            Local $State = $GUI_DISABLE
            If $DISABLE = True Then
                $State = $GUI_ENABLE
                $DISABLE = False
                GUICtrlSetData($Button_P,"Disable Buttons \/")
            Else
                $DISABLE = True
                GUICtrlSetData($Button_P,"Enable Buttons \/")
            EndIf
            For $i = 0 To 5 Step 1
                GUICtrlSetState($Button[$i],$State)
            Next
        Case $Button[0] to $Button[5]
            MsgBox(0,@GUI_CtrlId,GUICtrlRead(@GUI_CtrlId))
    EndSwitch
EndFunc