Is there a way to hide (i.e. not show, because it's annoying) the cancel button when editing a shape on a Google v3 map?
Try the undocumented suppressUndo parameter.
suppressUndo
Seems to work fine with google.maps.Circle
var c = new google.maps.Circle({ map: myMap, ... suppressUndo: true });
related issue in the problem tracking system: http://code.google.com/p/gmaps-api-issues/issues/detail?id=4013
no: http://code.google.com/p/gmaps-api-issues/issues/detail?id=4013