C# (CSharp) WebPIterator* примеры использования

Пример #1

 public static extern int WebPDemuxPrevFrame(WebPIterator *iter);

Пример #2

 public static extern void WebPDemuxReleaseIterator(WebPIterator *iter);

Пример #3

 public static extern int WebPDemuxGetFrame([NativeTypeName("const WebPDemuxer *")] WebPDemuxer *dmux, int frame_number, WebPIterator *iter);