[Creat0R]

Создаём Label, и присваиваем ему стиль $GUI_WS_EX_PARENTDRAG:

Код:

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <StaticConstants.au3>

$GUI = GUICreate("Test Script", 300, 200, -1, -1, $WS_POPUPWINDOW)

GUICtrlCreateLabel("Drag me", 0, 10, 300, 20, $SS_CENTER, $GUI_WS_EX_PARENTDRAG)
GUICtrlSetFont(-1, 12, 800)

$Close_Button = GUICtrlCreateButton("Close", 20, 170, 60, 20)

GUISetState(@SW_SHOW, $GUI)

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE, $Close_Button
            Exit
    EndSwitch
WEnd