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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
Audio Mixer Driver Reference | Audio Mixer Structures
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