>> XUndoAction, XUndoManager, XUndoManagerSupplier - find the generated IDL
>> for the proposed API at
>> http://udk.openoffice.org/files/documents/23/4795/undo.zip
> Updated this, just in case somebody wants to have a look at the current
> evolution.

Anybody having an opinion on
1. whether XUndoManager.undo/redo, when invoked while an Undo context
   is open, should
   a. throw
   b. silently and implicitly close all open contexts
   c. ignore the call
   d. other?
2. whether XUndoAction.undo/redo should be allowed to raise exceptions
   (except the always-possible RuntimeException)?
3. how to deal with XUndoAction.undo/redo throwing an exception?
   a. silence the error?
   b. propagate the error to the caller of XUndoManager.undo/redo
   c. clear the respective stack, since obviously the top action cannot
      be invoked, thus the other actions, which may depend on the top
      action, also can't
   d. both b. and c.

I tend to 1a., 2-yes, and 3d., but would appreciate any opinion on this.


Frank Schönheit | Software Engineer | frank.schoenh...@oracle.com
Oracle Office Productivity: http://www.oracle.com/office

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