Listen for a certain type of event.
The event type or array of event types.
The listener function.
可選opt_this: ObjectThe object to use as this in listener.
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.
Listen once for a certain type of event.
The event type or array of event types.
The listener function.
可選opt_this: ObjectThe object to use as this in listener.
Unique key for the listener. If called with an array of event types as the first argument, the return will be an array of keys.
Set the attributions of the source.
Attributions.
Can be passed as string, Array<string>, {@link ol.Attribution},
Array<{@link ol.Attribution}> or undefined.
Set the image load function of the MapGuide source.
Image load function.
函數Removes an event listener using the key returned by on() or once().
Note that using the ol.Observable.unByKey static function is to
be preferred.
靜態unOptions.
Classdesc
Source for images from Mapguide servers
Fires
ol.source.ImageEvent
參數: options
Options.
Api
stable