Initializes a System.Data.IDbCommand object to query for the count of Leadtools.Medical.ExternalStore.DataAccessLayer.DataTypes.ExternalStoreInstance that can be copied from the 'External Store' back to the 'Local Store'
command
Type: System.Data.IDbCommand The database command that will be initialized to execute the query.
range
A Leadtools.Dicom.Common.DataTypes.DateRange that specifies a range of 'External Store' dates for the DicomDataSets/
When a Leadtools.Dicom.DicomDataSet is sent to the 'External Store', the date is recorded in the database. All externally stored datasets whose store date falls within the Leadtools.Dicom.Common.DataTypes.DateRange are returned as a list of Leadtools.Medical.ExternalStore.DataAccessLayer.DataTypes.ExternalStoreInstance.