Flash Player 7.
DisplayBox.SetEditOn([ID])
ID Optional; The ID of the row to set. default :
Current row
Boolean: If the supplied row does not exist, false will be returned.
Function; Places the specified row into edit mode.
Both of these calls will place the currently highlighted row into edit mode.
myDisplayBox.SetEditOn(myDisplayBox.CurrentSelection);
myDisplayBox.SetEditOn();