MCI_SYSINFO Return Value - rc

rc (ULONG)

Return codes indicating success or type of failure:

MCIERR_SUCCESS

If the function succeeds, 0 is returned.
MCIERR_MISSING_FLAG
A required flag is missing.
MCIERR_UNSUPPORTED_FLAG
Given flag is unsupported for this device.
MCIERR_INVALID_CALLBACK_HANDLE
Given callback handle is invalid.
MCIERR_INVALID_FLAG
Flag (ulParam1) is invalid.
MCIERR_FLAGS_NOT_COMPATIBLE
Flags cannot be used together.
MCIERR_MISSING_PARAMETER
Required parameter is missing.
MCIERR_INVALID_BUFFER
Invalid return buffer given.
MCIERR_DUPLICATE_ALIAS
Alias already exists.
MCIERR_DUPLICATE_EXTENSION
Extension already exists.
MCIERR_NODEFAULT_DEVICE
No device of this type exists.
MCIERR_DEVICE_NOT_FOUND
Device not found for this query.
MCIERR_DUPLICATE_EA
The given EA already exists for another device.

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