BlobSrc.BlobSrc.PreExecute C# (CSharp) Method

        public override void PreExecute()
        {
            IDTSOutput100 output = ComponentMetaData.OutputCollection[0];

              m_FileNameColumnIndex = (int)BufferManager.FindColumnByLineageID(output.Buffer, output.OutputColumnCollection[0].LineageID);
              m_FileBlobColumnIndex = (int)BufferManager.FindColumnByLineageID(output.Buffer, output.OutputColumnCollection[1].LineageID);
        }