It came to my attention in the comments of Preloading Bitmap Decompression that Flash Player would actually free the decompressed bitmap memory if you didn’t make active use of it, similar to garbage collection. So if you followed my strategy from that article to preload a bitmap, it may have been un-preloaded for you by Flash Player! Today’s article shows you how to work around this little problem.

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Tags: bitmap, bitmapdata, garbage collection, GC, performance, preload