public CFBamJavaFXBoolColAddPane(
     ICFFormManager formManager, ICFBamJavaFXSchema argSchema, ICFBamBoolColObj argFocus) {
   super();
   final String S_ProcName = "construct-schema-focus";
   if (formManager == null) {
     throw CFLib.getDefaultExceptionFactory()
         .newNullArgumentException(getClass(), S_ProcName, 1, "formManager");
   }
   cfFormManager = formManager;
   if (argSchema == null) {
     throw CFLib.getDefaultExceptionFactory()
         .newNullArgumentException(getClass(), S_ProcName, 2, "argSchema");
   }
   // argFocus is optional; focus may be set later during execution as
   // conditions of the runtime change.
   javafxSchema = argSchema;
   setJavaFXFocus(argFocus);
   attrPane = argSchema.getBoolColFactory().newAttrPane(cfFormManager, argFocus);
   attrScrollPane = new ScrollPane(attrPane);
   attrScrollPane.setFitToWidth(true);
   attrScrollPane.setHbarPolicy(ScrollBarPolicy.NEVER);
   attrScrollPane.setVbarPolicy(ScrollBarPolicy.AS_NEEDED);
   attrScrollPane.setContent(attrPane);
   setOrientation(Orientation.VERTICAL);
   getItems().add(attrScrollPane);
 }