The type of event.
可选data: any(Optional) Data to pass to the callback. If multiple parameters p1, p2, p3, ... need to be passed, use an array structure such as [p1, p2, p3, ...]. If a single parameter p needs to be passed and p is an array, use a structure such as [p]. For other single parameters p, you can directly pass parameter p. If data is Event.EMPTY, it means passing an Event object to the callback function. Note that it is not passing Event.TEMP, but an independent Event object.
True if there are listeners for this event type, false otherwise.
The type of event.
The listener function.
This EventDispatcher object.
The type of event.
The execution scope of the event listener function.
可选listener: FunctionThe listener function.
可选args: any[]This EventDispatcher object.
可选type: string(Optional) The type of event. If the value is null, all types of listeners on this object are removed.
This EventDispatcher object.
The type of event.
The listener function.
This EventDispatcher object.
The type of event.
The execution scope of the event listener function.
The listener function.
可选args: any[](Optional) The callback parameters of the event listener function.
This EventDispatcher object.
The type of event.
The listener function.
This EventDispatcher object.
The type of event.
The execution scope of the event listener function.
The listener function.
可选args: any[](Optional) The callback parameters of the event listener function.
This EventDispatcher object.
En
The
SoundChannelclass is used to control sounds in the program. Each sound is assigned to a channel, and an application can have multiple channels mixed together. TheSoundChannelclass contains methods for controlling sound playback, pause, stop, volume, as well as methods for getting information about the sound's playback status, total time, current playback time, total loop count, and playback address.Zh
SoundChannel用来控制程序中的声音。每个声音均分配给一个声道，而且应用程序可以具有混合在一起的多个声道。SoundChannel类包含控制声音的播放、暂停、停止、音量的方法，以及获取声音的播放状态、总时间、当前播放时间、总循环次数、播放地址等信息的方法。