#include <ButtonConstants.au3>
GUICreate("")
GUICtrlCreateButton("Button1" & "Button2", 30, 30, 60, 50, $BS_MULTILINE) ; перенос по ширине
GUICtrlCreateButton("Button1" & @CRLF & "Button2", 100, 30, 60, 50, $BS_MULTILINE) ; перенос по слову
GUISetState()
Do
Until GUIGetMsg() = -3