MCI_DEFAULT_CONNECTION Return Value - rc

rc (ULONG)

Return codes indicating success or type of failure:

MCIERR_SUCCESS

If the function succeeds, 0 is returned.
MCIERR_INSTANCE_INACTIVE
The device ID is currently inactive. Issue MCI_ACQUIREDEVICE to make the device instance active.
MCIERR_MISSING_FLAG
A required flag is missing.
MCIERR_DRIVER
Internal MMPM/2 driver error.
MCIERR_UNSUPPORTED_FLAG
Given flag is unsupported for this device.
MCIERR_INVALID_CALLBACK_HANDLE
Given callback handle is invalid.
MCIERR_UNSUPPORTED_CONN_TYPE
This device does not support the given connector type.
MCIERR_INVALID_CONNECTOR_TYPE
The given connector type is invalid.
MCIERR_INVALID_CONNECTOR_INDEX
Invalid connector index given.
MCIERR_MISSING_PARAMETER
Required parameter is missing.
MCIERR_INVALID_FLAG
Flag is invalid (ulParam1).
MCIERR_FLAGS_NOT_COMPATIBLE
Flags cannot be used together.
MCIERR_INVALID_CONNECTION
An attempt was made to make an invalid connection.
MCIERR_NO_CONNECTION
An attempt was made to break a nonexistent connection.
MCIERR_INVALID_DEVICE_ID
A device ID is not valid.
MCIERR_INVALID_DEVICE_ORDINAL
Invalid device ordinal given.

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