If the user ejects a disc while the CD-XA device is playing, the device is stopped. When the CD-XA device detects that the disc has been changed and a file was opened on the previous disc, it closes the current CD-XA file and resets to the default state of the device. This state is identical to opening the CD-XA device without specifying a file. Following the reset, the CD-XA device returns MCIERR_MEDIA_CHANGED on the first command following detection of the disc change.
To avoid the interruption of play by the ejection of the disc, the application can disable a manual eject with an MCI_SET command before beginning playback.