public override void RemoveMetadata(TempFileForActions tempFile, CleanActionPropertySet cleanProperties)
        {
            try
            {
                m_elementsToClean = GetListOfEnabledElementsToClean(cleanProperties);
                List<Exclusion> listExclusion = GetListOfExcludedElements(cleanProperties);
                using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
                {
                    using (PptxDocumentReader reader = new PptxDocumentReader(bData))
                    {
                        using (Stream str = GetOutputStream())
                        {
                            reader.CleanTo(str, m_elementsToClean, listExclusion);
                            File.Copy(InterimTempFileName, tempFile.TempFile, true);
                        }
                    }
                }
            }
            catch (System.Exception ex)
            {
                Logger.LogError("PowerpointX cleaning failed");
                Logger.LogError(ex);
				throw;
            }
            finally
            {
                CleanUp();
            }
        }
        private void ExecuteUsingOfficeOpenXml(TempFileForActions tempFile, CleanActionPropertySet elementsToClean)
        {
            try
            {
                m_elementsToClean = GetElementsNotRemovedByDomClean(GetListOfEnabledElementsToClean(elementsToClean));
                using (BinaryData bData = new BinaryData(tempFile.GetMemoryStream()))
                {
                    using (PptxDocumentReader reader = new PptxDocumentReader(bData))
                    {
                        using (Stream str = GetOutputStream())
                        {
                            reader.CleanTo(str, m_elementsToClean);
                            File.Copy(InterimTempFileName, tempFile.TempFile, true);
                        }
                    }
                }
            }
            catch (System.Exception ex)
            {
				Logger.LogError(ex);
				throw;
            }
            finally
            {
                CleanUp();
            }
        }
		/// <summary>
		/// Original incarnation of lightspeed clean method. Left for comparison. There is at least one document that gets corrupted by the
		/// lightspeed clean user action as opposed to the method below. see Rally DE8912 in Professional & Deltaview project.
		/// </summary>
		/// <param name="listContentTypes"></param>
		private void DoLightSpeedClean(List<ContentType> listContentTypes)
		{
			System.Diagnostics.Stopwatch watch = new System.Diagnostics.Stopwatch();
			watch.Start();
			switch (m_ft)
			{
				case Workshare.Policy.FileType.WordDocument:
					using (WordDocumentReader Word2003Reader1 = new WordDocumentReader(m_sFileForBinClean, true))
					{
						Word2003Reader1.Clean(listContentTypes);
					}
					break;

				case Workshare.Policy.FileType.ExcelSheet:
					using (ExcelDocumentReader Excel2003Reader1 = new ExcelDocumentReader(m_sFileForBinClean, true))
					{
						Excel2003Reader1.Clean(listContentTypes);
					}
					break;

				case Workshare.Policy.FileType.PowerPoint:
					using (Workshare.FCS.Lite.PptDocumentReader Ppt2003Reader1 = new PptDocumentReader(m_sFileForBinClean, true))
					{
						Ppt2003Reader1.Clean(listContentTypes);
					}
					break;


				case Workshare.Policy.FileType.WordDocumentX:
				case Workshare.Policy.FileType.WordDocumentMacroX:
				case Workshare.Policy.FileType.WordDocumentTemplateX:
				case Workshare.Policy.FileType.WordDocumentMacroTemplateX:
					{
						string outFileName = System.IO.Path.GetTempFileName();
						using (DocxDocumentReader Word2007Reader1 = new DocxDocumentReader(m_sFileForBinClean))
						{
							using (Stream outStr = File.Open(outFileName, FileMode.Create))
							{

								Word2007Reader1.CleanTo(outStr, listContentTypes);
							}
						}
						File.Copy(outFileName, m_sFileForBinClean, true);
						File.Delete(outFileName);
						break;
					}

				case Workshare.Policy.FileType.ExcelSheetX:
				case Workshare.Policy.FileType.ExcelSheetMacroX:
				case Workshare.Policy.FileType.ExcelSheetTemplateX:
				case Workshare.Policy.FileType.ExcelSheetMacroTemplateX:
					{
						string outFileName = System.IO.Path.GetTempFileName();
						using (XlsxDocumentReader Excel2007Reader1 = new XlsxDocumentReader(m_sFileForBinClean))
						{
							using (Stream outStr = File.Open(outFileName, FileMode.Create))
							{

								Excel2007Reader1.CleanTo(outStr, listContentTypes);
							}
						}
						File.Copy(outFileName, m_sFileForBinClean, true);
						File.Delete(outFileName);
						break;
					}

				case Workshare.Policy.FileType.PowerPointX:
				case Workshare.Policy.FileType.PowerPointMacroX:
				case Workshare.Policy.FileType.PowerPointTemplateX:
				case Workshare.Policy.FileType.PowerPointMacroTemplateX:
				case Workshare.Policy.FileType.PowerPointShowX:
				case Workshare.Policy.FileType.PowerPointMacroShowX:
					{
						string outFileName = System.IO.Path.GetTempFileName();
						using (PptxDocumentReader Ppt2007Reader1 = new PptxDocumentReader(m_sFileForBinClean))
						{
							using (Stream outStr = File.Open(outFileName, FileMode.Create))
							{

								Ppt2007Reader1.CleanTo(outStr, listContentTypes);
							}
						}
						File.Copy(outFileName, m_sFileForBinClean, true);
						File.Delete(outFileName);
						break;
					}

				default:
					break;
			}
			watch.Stop();
			m_binCleanTime = watch.Elapsed.TotalSeconds;
		}