The file handle parameter required by the ObjectLoader must also be an instance of CfsFileDescriptor. This example shows how loadFromFileHandle:atOffset: is used.
| aCfsFileDescriptor someObject | aCfsFileDescriptor := CfsFileDescriptor open: 'someobj.swp' oflag: ORDONLY. aCfsFileDescriptor isCfsError ifTrue: [^self error: 'Cannot open file']. someObject := ObjectLoader new loadFromFileHandle: aCfsFileDescriptor atOffset: 0. aCfsFileDescriptor close. someObject inspect.