Next
The Next method should return a reference to the next frame in the iteration sequence.
ODFrame Next ();
return value
A reference to the next frame in the iteration sequence, or kODNULL if you have reached the last frame.

DISCUSSION
Your part calls this method. If your part calls this method before calling this focus-owner iterator's First method to begin the iteration, then this method works the same as calling the First method.
Your override of this method should not increment the reference count of the returned frame object.

OVERRIDING
If you subclass ODFocusOwnerIterator, you must override this method. Your override must not call its inherited method; that is, your override must implement this method's functionality completely.

EXCEPTIONS

kODErrIteratorOutOfSync
The list of focus owners was modified while the iteration was in progress.

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