To return the WebDraw file to its state prior to the most recent operation,
choose Edit > Undo, or click
the Undo button on the Toolbar, or press <Ctrl>
+ <Z>. Be aware of the following points about the Undo command:
You can continue choosing Undo to undo all actions since the most recent save.
You cannot undo basic file management actions such as saving, printing, opening, etc.