public static void FillMatchingParameters(QueryOptions query, MatchingParameterList matchingList)

       {

           // if we have patient options then create a DB Patient object for matching and copy the values

           if (

               (query.PatientsOptions != null) &&

               (!string.IsNullOrEmpty(query.PatientsOptions.PatientID) ||

                !string.IsNullOrEmpty(query.PatientsOptions.PatientName))

               )

           {

               MyPatient patient = new MyPatient();

               patient.PatientIdentification =

                   (!string.IsNullOrEmpty(query.PatientsOptions.PatientID)) ? query.PatientsOptions.PatientID : null;

               if (!string.IsNullOrEmpty(query.PatientsOptions.PatientName))

               {

                   patient.PatientName = query.PatientsOptions.PatientName;

               }

               matchingList.Add(patient);

           }

           // if we have study options then create a DB study object for matching and copy the values

           if ((query.StudiesOptions != null) && (

                !string.IsNullOrEmpty(query.StudiesOptions.AccessionNumber) ||

                !string.IsNullOrEmpty(query.StudiesOptions.ReferDoctorName) ||

                !string.IsNullOrEmpty(query.StudiesOptions.StudyDateStart) ||

                !string.IsNullOrEmpty(query.StudiesOptions.StudyDateEnd) ||

                !string.IsNullOrEmpty(query.StudiesOptions.StudyID) ||

                !string.IsNullOrEmpty(query.StudiesOptions.StudyInstanceUID) ||

                (query.StudiesOptions.ModalitiesInStudy != null &&

                    query.StudiesOptions.ModalitiesInStudy.Length > 0)))

           {

               MyStudy study = new MyStudy();

               study.StudyAccessionNumber =

                   (!string.IsNullOrEmpty(query.StudiesOptions.AccessionNumber)) ? query.StudiesOptions.AccessionNumber : null;

               study.StudyStudyId =

                   (!string.IsNullOrEmpty(query.StudiesOptions.StudyID)) ? query.StudiesOptions.StudyID : null;

               study.StudyStudyInstanceUID =

                   (!string.IsNullOrEmpty(query.StudiesOptions.StudyInstanceUID)) ? query.StudiesOptions.StudyInstanceUID : null;

               if (!string.IsNullOrEmpty(query.StudiesOptions.ReferDoctorName))

               {

                   study.StudyReferringPhysiciansName = query.StudiesOptions.ReferDoctorName;

               }

               if (!string.IsNullOrEmpty(query.StudiesOptions.StudyDateStart) || !string.IsNullOrEmpty(query.StudiesOptions.StudyDateEnd))

               {

                   study.StudyStudyDate = new DateRange();

                   AddInsUtils.FillDateRangeInfo(query.StudiesOptions.StudyDateStart, query.StudiesOptions.StudyDateEnd, study.StudyStudyDate);

               }

               matchingList.Add(study);

               if (query.StudiesOptions.ModalitiesInStudy != null && query.StudiesOptions.ModalitiesInStudy.Length > 0)

               {

                   MySeries series = new MySeries();

                   series.SeriesModality = string.Join("\\", query.StudiesOptions.ModalitiesInStudy);

                   matchingList.Add(series);

               }

           }

           // Series query options

           if ((query.SeriesOptions != null) && (

                !string.IsNullOrEmpty(query.SeriesOptions.SeriesInstanceUID) ||

                !string.IsNullOrEmpty(query.SeriesOptions.SeriesNumber) ||

                (null != query.SeriesOptions.Modality)))

           {

               MySeries series = new MySeries();

               series.SeriesSeriesInstanceUID =

                   (!string.IsNullOrEmpty(query.SeriesOptions.SeriesInstanceUID)) ? query.SeriesOptions.SeriesInstanceUID : null;

               series.SeriesSeriesNumber =

                   (!string.IsNullOrEmpty(query.SeriesOptions.SeriesNumber)) ? query.SeriesOptions.SeriesNumber : null;

               if (!string.IsNullOrEmpty(query.SeriesOptions.Modality))

               {

                   series.SeriesModality = query.SeriesOptions.Modality;

               }

               matchingList.Add(series);

           }

           // Instance query options

           if ((null != query.InstancesOptions) && (

                !string.IsNullOrEmpty(query.InstancesOptions.InstanceNumber) ||

                !string.IsNullOrEmpty(query.InstancesOptions.SOPInstanceUID)))

           {

               MyInstance instance = new MyInstance();

               instance.SOPInstanceUID =

                   (!string.IsNullOrEmpty(query.InstancesOptions.SOPInstanceUID)) ? query.InstancesOptions.SOPInstanceUID : null;

               string sImageNumber =

                   (!string.IsNullOrEmpty(query.InstancesOptions.InstanceNumber)) ? query.InstancesOptions.InstanceNumber : null;

               int nImageNumber = 0;

               if (int.TryParse(sImageNumber, out nImageNumber))

               {

                   instance.ImageImageNumber = nImageNumber;

               }

               matchingList.Add(instance);

           }

       }