flex 2021（Flex 4 的十大变化）

xmlns:fx="http://ns.adobe.com/mxml/2009"

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/halo">

</m:states>

<Button label="Click Me" includeIn="A, B"/>

<s:SparkSkin xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" alpha.disabled="0.5">

/**

* @copy spark.skins.default.ApplicationSkin#hostComponent

*/

[HostComponent("spark.components.Panel")]

]]>

</fx:Metadata>

/* Define the skin elements that should not be colorized.

For panel, border and title backround are skinned, but the content area and title text are not. */

static private const exclusions:Array = ["background", "titleField", "contentGroup"];

/**

* @copy spark.skins.SparkSkin#colorizeExclusions

*/

override public function get colorizeExclusions():Array {return exclusions;}

/* Define the content fill items that should be colored by the "contentBackgroundColor" style. */

static private const contentFill:Array = ["bgFill"];

/**

* @inheritDoc

*/

override public function get contentItems():Array {return contentFill};

</fx:Script>

</s:states>

. . . . .

</s:Rect>

left="10" right="4" top="2"

verticalAlign="middle" fontWeight="bold">

</s:SimpleText>

</s:Group>

</s:layout>

</s:Group>