private static bool OnExecuteRequestCallback(IComWorker <IOleConverter> converterProcess, object requestParameters)
{
OleConverter.ConversionRequestParameters conversionRequestParameters = (OleConverter.ConversionRequestParameters)requestParameters;
object responseData = null;
int num;
converterProcess.Worker.OleConvertToBmp(out num, conversionRequestParameters.RequestData, out responseData);
if (num != 0)
{
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, new COMException("HRESULT =", num));
}
conversionRequestParameters.ResponseData = responseData;
return(true);
}
internal Stream ConvertToBitmap(Stream oleDataStream)
{
object obj = null;
int num = Interlocked.Increment(ref this.nQueueSize);
Stream result;
try
{
try
{
bool canCacheInMemory = num <= 30;
obj = OleConverter.CreateOleObjectData(oleDataStream, canCacheInMemory);
OleConverter.ConversionRequestParameters conversionRequestParameters = new OleConverter.ConversionRequestParameters(obj, null);
base.ExecuteRequest(conversionRequestParameters);
result = OleConverter.CreateResultStream(conversionRequestParameters.ResponseData);
}
catch (ComInterfaceInitializeException ex)
{
StorageGlobals.ContextTraceError <ComInterfaceInitializeException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex);
throw new OleConversionServerBusyException(ServerStrings.OleConversionFailed, ex);
}
catch (ComProcessBusyException ex2)
{
StorageGlobals.ContextTraceError <ComProcessBusyException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex2);
throw new OleConversionServerBusyException(ServerStrings.OleConversionFailed, ex2);
}
catch (ComProcessTimeoutException ex3)
{
StorageGlobals.ContextTraceError <ComProcessTimeoutException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex3);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex3);
}
catch (ComProcessBeyondMemoryLimitException ex4)
{
StorageGlobals.ContextTraceError <ComProcessBeyondMemoryLimitException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex4);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex4);
}
catch (COMException ex5)
{
StorageGlobals.ContextTraceError <COMException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex5);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex5);
}
catch (InvalidComObjectException ex6)
{
StorageGlobals.ContextTraceError <InvalidComObjectException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex6);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex6);
}
catch (InvalidCastException ex7)
{
StorageGlobals.ContextTraceError <InvalidCastException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex7);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex7);
}
catch (NoSupportException ex8)
{
StorageGlobals.ContextTraceError <NoSupportException>(ExTraceGlobals.CcOleTracer, "OleConverter::ConvertToBitmap: ole conversion failed. Exception:\n {0}", ex8);
throw new OleConversionFailedException(ServerStrings.OleConversionFailed, ex8);
}
}
catch (StoragePermanentException exc)
{
OleConverter.SaveFailedConversionData(obj, exc, null);
throw;
}
catch (StorageTransientException exc2)
{
OleConverter.SaveFailedConversionData(obj, exc2, null);
throw;
}
finally
{
Interlocked.Decrement(ref this.nQueueSize);
if (obj != null)
{
OleConverter.DestroyOleObjectData(obj);
}
}
return(result);
}
