SetUndoLevel

Usage                  Boolean SetUndoLevel(Short Level)

Description         This method sets the level of undo.

Parameters         Level                   Short                  Level of undo. This value must be between 0 and max undo level (16).

Return value      TRUE on success, otherwise FALSE.

Programming Notes        If Level is 0, the undo is unavailable for annotation objects. If the Level is positive you can undo annotation for Level times. This method deletes previously saved annotations for undo and resets undo method.