Function name: waveOutSetVolume

Defined in : winmm

Requirements : Windows NT 3.1 or later; Windows 95 or later

Declaration:

Declare Function waveOutSetVolume Lib "Winmm" (ByVal wDeviceID As Integer, ByVal dwVolume As Long) As Integer

Parameters:

* hwo Handle to an open waveform-audio output device. This parameter can also be a device identifier. * dwVolume New volume setting. The low-order word contains the left-channel volume setting, and the high-order word contains the right-channel setting. A value of 0xFFFF represents full volume, and a value of 0x0000 is silence. If a device does not support both left and right volume control, the low-order word of dwVolume specifies the volume level, and the high-order word is ignored.

Returns:

Returns MMSYSERR_NOERROR if successful or an error otherwise. Possible error values include the following. MMSYSERR_INVALHANDLE Specified device handle is invalid. MMSYSERR_NODRIVER No device driver is present. MMSYSERR_NOMEM Unable to allocate or lock memory. MMSYSERR_NOTSUPPORTED Function is not supported.

Related functions:

Examples:

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