Inside Macintosh: OpenDoc Class Reference /

Part 1 - Classes and Methods / ODUndo

MarkActionHistory

The MarkActionHistory method marks the top of the undo and redo stacks.

void MarkActionHistory ();

DISCUSSION

The marks are used to indicate the beginning of a new action subhistory in each stack.

EXCEPTIONS

kODErrCannotMarkAction

Failure to start an action subhistory by placing a mark at the beginning of the undo and redo stacks; the undo object was not initialized properly.

SEE ALSO

"Creating an Action Subhistory" on page 261 in OpenDoc Programmer's Guide.

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