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