Method DataRef():undo() Foundation

Cancels the last edit operation

:undo() --> lSuccess

This method returns the value .T. (true) when the edit operation could be cancelled, otherwise it returns .F. (false).


The method :undo() cancels an edit operation. The value assigned to the edit buffer of an Xbase Part by this method is either the return value of the code block contained in the instance variable :undo or the value contained in :undoBuffer, if :undo does not contain a code block.


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