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Код:
MovieClipLoader
Object
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+-MovieClipLoader
public class MovieClipLoader
extends Object
This class lets you implement listener callbacks that provide status information while SWF, JPEG, GIF, and PNG files are being loaded into movie clips. To use MovieClipLoader features, use MovieClipLoader.loadClip() instead of loadMovie() or MovieClip.loadMovie() to load SWF files.