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Audio Mixer Messages (Compact 2013)

3/26/2014

The Audio Mixer messages for the WAV_IOControl function are defined in the following table.

Programming element

Description

MXDM_CLOSE

Requests a user-mode mixer driver to close the specified device instance.

MXDM_GETCONTROLDETAILS

Requests a user-mode mixer driver to return detailed information about the specified control on the specified audio line.

MXDM_GETDEVCAPS

Requests a user-mode mixer driver to return capabilities information about the specified device.

MXDM_GETLINECONTROLS

Requests a user-mode mixer driver to return information about specified controls connected to a specified audio line for the specified device.

MXDM_GETLINEINFO

Requests a user-mode mixer driver to return information about a specified audio line for the specified device.

MXDM_GETNUMDEVS

Requests a user-mode mixer driver to return the number of device instances that it supports.

MXDM_INIT

Message received by the user-mode mixer driver's mxdMessage function while the driver is being installed.

MXDM_OPEN

Requests a user-mode mixer driver to open an instance of the specified device.

MXDM_SETCONTROLDETAILS

Requests a user-mode mixer driver to set information about specified controls connected to a specified audio line for a specified device.

See Also

Reference

Audio Mixer Driver Reference
Audio Mixer Structures