#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <WinAPI.au3>
$GUI = GUICreate("", 300, 400, -1, -1, $WS_POPUP, $WS_EX_LAYERED)
GUISetBkColor(0x000001)
GUICtrlCreateLabel('Hello', 0, 0, 300, 100)
GUICtrlSetColor(-1, 0xFFFFFF)
GUICtrlSetFont(-1, 72, 400, 0, "Verdana")
$Button1 = GUICtrlCreateButton('Message', 0, 120, 100, 25)
$Button2 = GUICtrlCreateButton('Exit', 125, 120, 100, 25)
GUISetState()
_WinAPI_SetLayeredWindowAttributes($GUI, 0x000001, 0, $LWA_COLORKEY)
While 1
Switch GUIGetMsg()
Case $Button1
MsgBox(0, ' Test ', 'Hello')
Case $Button2
Exit
EndSwitch
WEnd