[madmasles]

ShogenOFF,
Попробуйте так:

Код:

#Include <WindowsConstants.au3>
#Include <WinAPI.au3>

$hMain = GUICreate("", 800, 600, -1, -1, $WS_POPUP, $WS_EX_LAYERED)
GUISetBkColor(0xFF0011)
    $hOk = GUICtrlCreateButton("OK", 365, 560, 70, 23)
    $hLabel = GUICtrlCreateLabel("Какая-то надпись.", 10, 100, 500, 100)
    GUICtrlSetColor($hLabel, 0xFF0000)
    GUICtrlSetFont($hLabel, 32, 800, -1, "Tahoma")

GUISetState()

_WinAPI_SetLayeredWindowAttributes($hMain, 0xFF0011, 0, $LWA_COLORKEY)

While 1
    If GUIGetMsg() = $hOk Then Exit
WEnd