Linked TLFTextfields

import flashx.textLayout.elements.TextFlow;
import flashx.textLayout.compose.StandardFlowComposer;
import flashx.textLayout.container.ContainerController;
import flashx.textLayout.container.TextContainerManager;
import flash.display.Sprite;
import fl.text.TLFTextField;
import flashx.textLayout.conversion.TextConverter;
import flashx.textLayout.conversion.ConversionType;

var txt:TLFTextField = test_txt;
txt.visible = false;

var flowString:* = TextConverter.export(txt.textFlow, TextConverter.TEXT_LAYOUT_FORMAT, ConversionType.STRING_TYPE)
trace(flowString);
var flow:TextFlow = TextConverter.importToFlow(flowString, TextConverter.TEXT_LAYOUT_FORMAT);
flow.columnCount = 2;

flow.flowComposer = new StandardFlowComposer();

var spr:Sprite = new Sprite();
spr.name = "testContainer";

var flowController:ContainerController = new ContainerController(spr, 500, 350);
flow.flowComposer.addController(flowController);

flow.flowComposer.updateAllControllers();

addChild(spr);

if(flowController.container.height > 350){
    var spr2:Sprite = new Sprite();
    var flowController2:ContainerController = new ContainerController(spr2, 500, 350);
    flow.flowComposer.addController(flowController2);

    flow.flowComposer.updateAllControllers();

    spr2.x = 550;
    addChild(spr2);
}