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POHow to use VGroup or HGroup in pure actionscript3?
 

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  1. POHow to use VGroup or HGroup in pure actionscript3?
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    <p>I'm developing a flash app by using free Flex SDK and text editor and compiling in command line.<br> <br> I want to use VGroup or HGroup in my actionscript to manage positions of DisplayObjects.<br> <br> I wrote the following code:</p> <pre><code>import spark.components.* import flash.text.* var group:VGroup = new VGroup; var text:TextField = new TextField text.text = 'abc'; var sprite = new Sprite; sprite.graphics.lineStyle(2, 0x000000); sprite.graphics.drawRect(0, 0, 100, 100); stage.addChild(group); group.addElement(sprite); // runtime error group.addElement(text); // compile error </code></pre> <p><br> But adding Sprite to VGroup causes runtime error: <br></p> <pre><code>TypeError: Error #1034: Type Coercion failed: cannot convert flash.display::Sprite to mx.core.IVisualElement. </code></pre> <p><br> And adding TextField to VGroup causes compile error: <br></p> <pre><code>Error: Implicit coercion of a value of type flash.text: TextField to an unrelated type mx.core:IVisualElement. </code></pre> <p><br> How to use VGroup or HGroup in pure AS3?<br> What is the difference between DisplayObject and IVisualElement?<br></p> <p><br> UPDATE:</p> <p>I tried the 1st way of www.Flextras.com's answer, SpriteVisualElement and StyleableTextField.<br> I wrote the following code:</p> <pre><code>package { import flash.display.* import spark.core.SpriteVisualElement //import spark.components.supportClasses.StyleableTextField // compile error import spark.components.VGroup import flash.text.* [SWF(backgroundColor=0xffffff, width=500, height=500, frameRate=12)] public class VGroupTest extends Sprite { function VGroupTest() { //var text:StyleableTextField = new StyleableTextField //text.text = 'abc'; var sprite1:SpriteVisualElement = new SpriteVisualElement; sprite1.graphics.lineStyle(2, 0x000000); sprite1.graphics.drawRect(0, 0, 100, 100); sprite1.width = 200 sprite1.height = 200 var sprite2:SpriteVisualElement = new SpriteVisualElement; sprite2.graphics.lineStyle(2, 0xff0000); sprite2.graphics.drawRect(0, 0, 200, 200); sprite2.width = 300 sprite2.height = 300 var group:VGroup = new VGroup; group.gap = 10 group.width = 400 group.height = 400 this.stage.addChild(group); // the following codes show nothing //group.addElement(text); group.addElement(sprite1); group.addElement(sprite2); // the following codes show 2 rectangles //this.stage.addChild(sprite1) //this.stage.addChild(sprite2) } } } </code></pre> <p><br> But<br></p> <pre><code>import spark.components.supportClasses.StyleableTextField </code></pre> <p>caused the following error</p> <pre><code>40 Error: Definition spark.components.supportClasses:StyleableTextField could not be found </code></pre> <p><br> And no SpriteVisualElement is shown on the screen.<br> Am I missing something?<br></p>
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