Inside Macintosh: OpenDoc Class Reference /

Part 1 - Classes and Methods / ODStorageUnit

GetOffset

The GetOffset method returns the offset of the currently focused value.

ODULong GetOffset ();

return value

The offset (in bytes) of the read/write position from the beginning of the data stream in the currently focused value, expressed as an unsigned 32-bit value.

DISCUSSION

An offset of 0 means the beginning of the data stream corresponding to the focused value; an offset equal to the size returned by the GetSize method means the end of the data stream.

EXCEPTIONS

kODErrUnfocusedStorageUnit

This storage unit is not focused on a value.

kODErrZeroRefCount

This storage unit has a reference count of 0.

SEE ALSO

The ODStorageUnit::GetSize method (page 695).
The ODStorageUnit::SetOffset method (page 710).