customStyle.width has no effect

[kevinresol]

package;

import haxe.ui.*;
import haxe.ui.core.*;
import haxe.ui.containers.*;

class Main extends hxd.App {
	static function main() {
		new Main();
	}
	
	override function init() {
		Toolkit.init({app: this});
		var vbox = new VBox();
		vbox.customStyle.width = 200;
		vbox.customStyle.height = 200;
		vbox.customStyle.backgroundColor = 0xff0000;
		Screen.instance.addComponent(vbox);
		haxe.Timer.delay(function() vbox.customStyle.width = 100, 1000); // doesn't work
		haxe.Timer.delay(function() vbox.width = 100, 1000); // works
	}
}