用于 Adobe® Flash® Platform 的 ActionScript® 3.0 参考
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flash.events 

StorageVolumeChangeEvent  - AS3

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包 flash.events

接口
IEventDispatcher
 
AccelerometerEvent
ActivityEvent
AsyncErrorEvent
AudioOutputChangeEvent
AVDictionaryDataEvent
AVHTTPStatusEvent
AVPauseAtPeriodEndEvent
BrowserInvokeEvent    
ContextMenuEvent
DataEvent
DatagramSocketDataEvent    
DeviceRotationEvent    
DNSResolverEvent    
DRMAuthenticateEvent    
DRMAuthenticationCompleteEvent
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IMEEvent
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IOErrorEvent
KeyboardEvent
LocationChangeEvent    
MediaEvent    
MouseEvent
NativeDragEvent    
NativeProcessExitEvent    
NativeWindowBoundsEvent    
NativeWindowDisplayStateEvent    
NetDataEvent
NetMonitorEvent
NetStatusEvent
OutputProgressEvent    
PermissionEvent
PressAndTapGestureEvent
ProgressEvent
RemoteNotificationEvent    
SampleDataEvent
ScreenMouseEvent    
SecurityErrorEvent
ServerSocketConnectEvent    
ShaderEvent
SoftKeyboardEvent
SoftKeyboardTrigger
SQLErrorEvent    
SQLEvent    
SQLUpdateEvent    
StageOrientationEvent    
StageVideoAvailabilityEvent
StageVideoEvent
StatusEvent
StorageVolumeChangeEvent    
SyncEvent
TextEvent
ThrottleEvent
ThrottleType
TimerEvent
TouchEvent
TouchEventIntent    
TransformGestureEvent
UncaughtErrorEvent
UncaughtErrorEvents
VideoEvent
VideoTextureEvent
VsyncStateChangeAvailabilityEvent    
flash.events
public class StorageVolumeChangeEvent
继承StorageVolumeChangeEvent Inheritance Event Inheritance Object

语言版本: ActionScript 3.0
运行时版本: AIR 2

安装或卸载存储卷时,StorageVolumeInfo.storageVolumeInfo 对象将调度 StorageVolumeChangeEvent 事件对象。有两种类型的 StorageVolumeChangeEvent: storageVolumeMountstorageVolumeUnmount

在 Linux 上,StorageVolumeInfo 对象只为物理设备调度 storageVolumeMountstorageVolumeUnmount 事件。用户通过网络装载或卸载卷时,该对象不调度事件。

有些设备,如一些数字摄像头和电话,显示在 StorageVolumeInfo.getStorageVolumes() 数组中,但在安装或卸载时,它们不调度 StorageVolumeChangeEvent 对象。

相关 API 元素



公共属性
 属性由以下参数定义
 Inheritedbubbles : Boolean
[只读] 表示事件是否为冒泡事件。
Event
 Inheritedcancelable : Boolean
[只读] 表示是否可以阻止与事件相关联的行为。
Event
 Inheritedconstructor : Object
对类对象或给定对象实例的构造函数的引用。
Object
 InheritedcurrentTarget : Object
[只读] 当前正在使用某个事件侦听器处理 Event 对象的对象。
Event
 InheritedeventPhase : uint
[只读] 事件流中的当前阶段。
Event
      rootDirectory : File
[只读] 与安装的卷的根目录相对应的 File 对象。
StorageVolumeChangeEvent
      storageVolume : StorageVolume
[只读] 一个包含有关安装的卷的信息的 StorageVolume 对象。
StorageVolumeChangeEvent
 Inheritedtarget : Object
[只读] 事件目标。
Event
 Inheritedtype : String
[只读] 事件的类型。
Event
公共方法
 方法由以下参数定义
  
    StorageVolumeChangeEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, path:File = null, volume:StorageVolume = null)
创建 StorageVolumeChangeEvent 对象作为参数传递给事件侦听器。
StorageVolumeChangeEvent
  
    clone():Event
[覆盖] 复制 Event 子类的实例。
StorageVolumeChangeEvent
 Inherited
formatToString(className:String, ... arguments):String
用于在自定义 ActionScript 3.0 Event 类中实现 toString() 方法的实用程序函数。
Event
 Inherited
表示对象是否已经定义了指定的属性。
Object
 Inherited
检查是否已对事件调用 preventDefault() 方法。
Event
 Inherited
表示 Object 类的实例是否在指定为参数的对象的原型链中。
Object
 Inherited
如果可以取消事件的默认行为,则取消该行为。
Event
 Inherited
表示指定的属性是否存在、是否可枚举。
Object
 Inherited
设置循环操作动态属性的可用性。
Object
 Inherited
防止对事件流中当前节点中和所有后续节点中的事件侦听器进行处理。
Event
 Inherited
防止对事件流中当前节点的后续节点中的所有事件侦听器进行处理。
Event
 Inherited
返回此对象的字符串表示形式,其格式设置遵守区域设置特定的约定。
Object
  
    toString():String
[覆盖] 返回一个字符串,其中包含 Event 对象的所有属性。
StorageVolumeChangeEvent
 Inherited
返回指定对象的原始值。
Object
公共常量
 常量由以下参数定义
      STORAGE_VOLUME_MOUNT : String = "storageVolumeMount"
[静态] 当安装卷时,StorageVolumeChangeEvent.VOLUME_MOUNT 常量定义 StorageVolumeChangeEvent 的 type 属性的值。
StorageVolumeChangeEvent
      STORAGE_VOLUME_UNMOUNT : String = "storageVolumeUnmount"
[静态] 当卸载卷时,StorageVolumeChangeEvent.VOLUME_MOUNT 常量定义 StorageVolumeChangeEvent 的 type 属性的值。
StorageVolumeChangeEvent
属性详细信息
    

rootDirectory

属性
rootDirectory:File  [只读]

语言版本: ActionScript 3.0
运行时版本: AIR 2

与安装的卷的根目录相对应的 File 对象。如果已卸载了卷(如果事件类型是 storageVolumeUnmount),则此属性设置为 null



实现
    public function get rootDirectory():File

相关 API 元素

    

storageVolume

属性 
storageVolume:StorageVolume  [只读]

语言版本: ActionScript 3.0
运行时版本: AIR 2

一个包含有关安装的卷的信息的 StorageVolume 对象。对于卸载的卷,此属性为 null(对于 storageVolumeUnmount 事件)。



实现
    public function get storageVolume():StorageVolume

相关 API 元素

构造函数详细信息
    

StorageVolumeChangeEvent

()构造函数
public function StorageVolumeChangeEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, path:File = null, volume:StorageVolume = null)

语言版本: ActionScript 3.0
运行时版本: AIR 2

创建 StorageVolumeChangeEvent 对象作为参数传递给事件侦听器。

参数
type:String — 事件的类型,可在 type 属性中访问。StorageVolumeChangeEvent 类定义两种事件类型:storageVolumeMount 事件,由 StorageVolumeChangeEvent.STORAGE_VOLUME_MOUNT 常量表示;storageVolumeUnmount 事件,由 StorageVolumeChangeEvent.STORAGE_VOLUME_UNMOUNT 常量表示。
 
bubbles:Boolean (default = false) — 确定 Event 对象是否参与事件流的冒泡阶段。默认值为 false
 
cancelable:Boolean (default = false) — 确定是否可以取消 Event 对象。默认值为 false
 
path:File (default = null) — 存储卷的名称。
 
volume:StorageVolume (default = null) — 表示存储卷的 File 对象。

相关 API 元素

方法详细信息

    clone

()方法
override public function clone():Event

语言版本: ActionScript 3.0
运行时版本: AIR 2

复制 Event 子类的实例。

返回一个新的 Event 对象,它是 Event 对象的原始实例的副本。通常您不需要调用 clone();当您重新调度事件,即调用 dispatchEvent(event)(从正在处理 event 的处理函数)时,EventDispatcher 类会自动调用它。

新的 Event 对象包括原始对象的所有属性。

当您创建自己的自定义 Event 类时,必须覆盖继承的 Event.clone() 方法,以复制自定义类的属性。如果您未设置在事件子类中添加的所有属性,则当侦听器处理重新调度的事件时,这些属性将不会有正确的值。

在本示例中,PingEventEvent 的子类,因此它可以实现其自己的 clone() 版本。

     class PingEvent extends Event {
         var URL:String;
         
     public override function clone():Event {
              return new PingEvent(type, bubbles, cancelable, URL);
        }
     }
     

返回
Event — 一个新的 Event 对象,它与原始对象相同。

    toString

()方法 
override public function toString():String

语言版本: ActionScript 3.0
运行时版本: AIR 2

返回一个字符串,其中包含 Event 对象的所有属性。字符串的格式如下:

[Event type=value bubbles=value cancelable=value]

返回
String — 一个字符串,其中包含 Event 对象的所有属性。
常量详细信息
    

STORAGE_VOLUME_MOUNT

常量
public static const STORAGE_VOLUME_MOUNT:String = "storageVolumeMount"

语言版本: ActionScript 3.0
运行时版本: AIR 2

当安装卷时,StorageVolumeChangeEvent.VOLUME_MOUNT 常量定义 StorageVolumeChangeEvent 的 type 属性值。

事件具有以下属性:

属性
bubblesfalse
cancelablefalse;没有要取消的默认行为。
currentTargetStorageVolumeChangeEvent 对象。
file表示存储卷的 File 对象。
name存储卷的名称。
targetStorageVolumeChangeEvent 对象。
type"storageVolumeMount"

相关 API 元素

    

STORAGE_VOLUME_UNMOUNT

常量 
public static const STORAGE_VOLUME_UNMOUNT:String = "storageVolumeUnmount"

语言版本: ActionScript 3.0
运行时版本: AIR 2

当卸载卷时,StorageVolumeChangeEvent.VOLUME_MOUNT 常量定义 StorageVolumeChangeEvent 的 type 属性值。

事件具有以下属性:

属性
bubblesfalse
cancelablefalse;没有要取消的默认行为。
currentTargetStorageVolumeChangeEvent 对象。
file表示存储卷的 File 对象。
name存储卷的名称。
targetStorageVolumeChangeEvent 对象。
type"storageVolumeUnmount"

相关 API 元素





[ X ]为什么显示为英语?
《ActionScript 3.0 参考》中的内容以英语显示

《ActionScript 3.0 参考》中的部分内容未翻译成所有语言。当某个语言元素未翻译时,将显示为英语。例如,ga.controls.HelpBox 类未翻译成任何语言。因此在简体中文版的参考中,ga.controls.HelpBox 类显示为英语。