Flash CS3 Professional.
OvalObject.startAngle
Read-only property; a float value that specifies the start angle of the Oval object. Acceptable values are from 0 to 360. To set this value, use document.setOvalObjectProperty().
The following example sets the start angle of selected Oval objects to 270:
fl.getDocumentDOM().setOvalObjectProperty("startAngle",270);document.setOvalObjectProperty(), OvalObject.endAngle, shape.isOvalObject