◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── WIDM_GETNUMDEVS This message is sent to a waveform input device driver to request the number of waveform input devices available. Parameters DWORD dwParam1 Unused. DWORD dwParam2 Unused. Return value Returns the number of input devices the driver supports. -♦-