Flex 2.0 裡面有許多的 Metadata
有些是給 AS 編譯器看的
有些是給 MXML 編譯器看的
使用者也可以自行定義 Metadata

官方文件內只有說明一部分的 Metadata Tag
還有很多不知道其功能為何

以下是粗略的整理，包含 Metadata Tag 名稱與幾個簡單的例子

文件上有記載的

http://livedocs.macromedia.com/flex/2/docs/00001651.html

	[ArrayElementType]

[ArrayElementType("mx.states.Transition")]

[ArrayElementType("mx.states.State")]


[Bindable]

[Bindable("errorStringChanged")]

[Bindable("toolTipChanged")]

[Bindable("currentStateChange")]

[Bindable("verticalScrollPolicyChanged")]


[DefaultProperty]

[DefaultProperty("dataProvider")]

[DefaultProperty("children")]


[Effect]

[Effect(name="hideDataEffect", event="hideData")]

[Effect(name="moveEffect", event="move")]


[Embed]

[Embed(source="Beep.mp3")]


[Event]

[Event(name="itemClick", type="mx.charts.events.LegendMouseEvent")]

[Event(name="hide", type="mx.events.FlexEvent")]


[IconFile]

[IconFile("Repeater.png")]

[IconFile("AreaChart.png")]


[Inspectable]

[Inspectable(defaultValue="true")]

[Inspectable(environment="none")]

[Inspectable(category="Data")]

[Inspectable(category="General", enumeration="overlaid,stacked,100%", defaultValue="overlaid")]



[InstanceType]

[InstanceType("mx.controls.Label")]

public var topRow:IDeferredInstance;


[NonCommittingChangeEvent]

[NonCommittingChangeEvent("change")]


[Style]

[Style(name="axisStroke", type="mx.graphics.IStroke", inherit="no")]

[Style(name="fontWeight", type="String", enumeration="normal,bold", inherit="yes")]

[Style(name="barWidthRatio", type="Number", inherit="no")]

文件上沒記載的

	[SWF]

[SWF(width="300", height="200", frameRate="18", backgroundColor="#FFFFFF")]


[RemoteClass]

[RemoteClass(alias="flex.messaging.io.ArrayCollection")]

[RemoteClass(alias="flex.messaging.io.ArrayList")]


[Frame]
[Frame(factoryClass="mx.managers.SystemManager")]

[Frame(factoryClass="mx.core.FlexApplicationBootstrap")][Frame(extraClass="Obj")]
[ExcludeClass]
[DefaultBindingProperty]
[DefaultBindingProperty(destination="dataProvider")]
[DefaultTriggerEvent]
[DefaultTriggerEvent("itemClick")]
[DefaultTriggerEvent("scroll")]
[Exclude]
[Exclude(name="defaultButton", kind="property")]
[Exclude(name="horizontalScrollPolicy", kind="property")]
[Exclude(name="icon", kind="property")]
[Exclude(name="label", kind="property")]
[Exclude(name="tileHeight", kind="property")]
[ResourceBundle]
[ResourceBundle("validators")]
[ResourceBundle("SharedResources")]
[ResourceBundle("foo")]
[PercentProxy]
[PercentProxy("percentHeight")]
[RequiresDataBinding]
[RequiresDataBinding(true)]
[CollapseWhiteSpace]
[MaxChildren]
[MaxChildren(0)]
[AccessibilityClass]
[AccessibilityClass(implementation="mx.accessibility.PanelAccImpl")]
[AccessibilityClass(implementation="mx.accessibility.TitleWindowAccImpl")]
[Transient]