public ChartDataPointInstanceInfo GetInstanceInfo(ChunkManager.RenderingChunkManager chunkManager, ChartDataPointList chartDataPoints)
 {
     if (base.m_instanceInfo is OffsetInfo)
     {
         Global.Tracer.Assert(null != chunkManager);
         IntermediateFormatReader reader = chunkManager.GetReader(((OffsetInfo)base.m_instanceInfo).Offset);
         return(reader.ReadChartDataPointInstanceInfo(chartDataPoints));
     }
     return((ChartDataPointInstanceInfo)base.m_instanceInfo);
 }