auxMessage

Syntax

DWORD auxMessage(uDevice, uMsg, dwUser, dwParam1, dwParam2)

This function is the entry point for an auxiliary audio device driver.

Parameters

UINT uDevice

Specifies the ID of the target device.

UINT uMsg

Specifies the message being sent to the driver.

DWORD dwUser

Not used.

DWORD dwParam1

Specifies a message-dependent parameter.

DWORD dwParam2

Specifies a message-dependent parameter.

Return Value

Unless specified otherwise under a specific message, the driver should return an MMSYSERR_ or AUXERR_ error code.

Comments

The driver should return MMSYSERR_NOTSUPPORTED if it does not support the specified message.