MCI_CONNECTION Return Value - rc

rc (ULONG)

Return codes indicating success or type of failure:

MCIERR_SUCCESS

The function is successful.
MCIERR_ALREADY_CONNECTED
A connection already exists for the specified connector.
MCIERR_INVALID_CONNECTION
Connection between the specified connection types is invalid.
MCIERR_CANNOT_ADD_ALIAS
The alias was not added.
MCIERR_DUPLICATE_ALIAS
The alias already exists.
MCIERR_NO_CONNECTION
No connection exists for the queried connector.
MCIERR_INVALID_DEVICE_ID
The device ID is not valid.
MCIERR_INVALID_DEVICE_ORDINAL
The device ordinal given is invalid.
MCIERR_MISSING_FLAG
A required flag is missing.
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_FLAGS_NOT_COMPATIBLE
Flags cannot be used together.

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