public byte[] RenderStream(string format, string deviceInfo, string streamID, out string mimeType)
{
if (m_executionSession.Snapshot != null)
{
Stream chunk = m_executionSession.Snapshot.GetChunk(streamID, ReportProcessing.ReportChunkTypes.StaticImage, out mimeType);
if (chunk == null)
{
chunk = m_executionSession.Snapshot.GetChunk(streamID, ReportProcessing.ReportChunkTypes.Image, out mimeType);
}
if (chunk != null)
{
byte[] array = new byte[chunk.Length];
chunk.Read(array, 0, (int)chunk.Length);
return(array);
}
}
using (StreamCache streamCache = new StreamCache())
{
m_itemContext.RSRequestParameters.SetRenderingParameters(deviceInfo);
ReportProcessing reportProcessing = CreateAndConfigureReportProcessing();
IRenderingExtension newRenderer = CreateRenderer(format, allowInternal: true);
Microsoft.ReportingServices.ReportProcessing.RenderingContext rc = CreateRenderingContext();
ProcessingContext pc = CreateProcessingContext(streamCache.StreamCallback);
OnDemandProcessingResult result = reportProcessing.RenderSnapshotStream(newRenderer, streamID, rc, pc);
m_executionSession.SaveProcessingResult(result);
string encoding;
string fileExtension;
return(streamCache.GetMainStream(out encoding, out mimeType, out fileExtension));
}
}
public void MoveSecondaryStreamsTo(StreamCache other)
{
foreach (KeyValuePair <string, CachedStream> secondaryStream in m_secondaryStreams)
{
other.m_secondaryStreams.Add(secondaryStream.Key, secondaryStream.Value);
}
m_secondaryStreams.Clear();
}