public byte[] NCREATERequestCommand(byte PreCtxID, string affectedSOPClass, byte messageID, string affectedSOPInstanceUID)
{
var htNCREATERequestCMD = new Hashtable();
var ngetRequestCmd = new PDataTFPDU(4);
ngetRequestCmd.PDVContent.Command(true);
htNCREATERequestCMD.Add(DICOMTag.AffectedSOPClassUIDTag, affectedSOPClass);
htNCREATERequestCMD.Add(DICOMTag.CommandFieldTag, CommandFieldConst.N_CREATE_RQ);
htNCREATERequestCMD.Add(DICOMTag.MessageIDTag, messageID);
htNCREATERequestCMD.Add(DICOMTag.DataSetTypeTag, CommandFieldConst.NoDataSet);
htNCREATERequestCMD.Add(DICOMTag.AffectedSOPInstanceUIDTag, affectedSOPInstanceUID);
htNCREATERequestCMD.Add(DICOMTag.CommandGroupLengthTag, Ultility.CalculateGroupLengthValue(htNCREATERequestCMD));
ArrayList listTag = new ArrayList(htNCREATERequestCMD.Keys);
listTag.Sort();
return ngetRequestCmd.CreateByteBuff(PreCtxID, true, true);
}
// Table 10.3-3
//N-GET-RQ MESSAGE FIELDS
//Message Field Tag VR VM Description of Field
//Command Group Length (0000,0000) UL 1 The even number of bytes from the end of the value field to the beginning of the next group.
//Requested SOP Class UID (0000,0003) UI 1 SOP Class UID of the SOP Instance for which Attribute Values are to be retrieved.
//Command Field (0000,0100) US 1 This field distinguishes the DIMSE-N operation conveyed by this Message. The value of this field shall be set to 0110H for the N-GET-RQ Message.
//Message ID (0000,0110) US 1 Implementation-specific value which distinguishes this Message from other Messages.
//Command Data Set Type (0000,0800) US 1 This field indicates that no Data Set shall be present in the Message. This field shall be set to the value of 0101H).
//Requested SOP Instance UID (0000,1001) UI 1 Contains the UID of the SOP Instance for which Attribute Values are to be retrieved.
//Attribute Identifier List (0000,1005) AT 1-n This field contains an Attribute Tag for each of the n Attributes applicable to the N-GET operation.
public void CreateNGETRequestCommand(Stream os, byte preCtxID, string requestSOPClassUID, UInt16 messageID,
string requestedSOPInstanceUID)
{
var nsetRequestCmd = new PDataTFPDU(4);
nsetRequestCmd.PDVContent.Command(true);
nsetRequestCmd.PDVContent.AddDataSet(requestSOPClassUID, DICOMTag.RequestedSOPClassUIDTag);
nsetRequestCmd.PDVContent.AddDataSet(CommandFieldConst.N_GET_RQ, DICOMTag.CommandFieldTag);
nsetRequestCmd.PDVContent.AddDataSet(messageID, DICOMTag.MessageIDTag);
nsetRequestCmd.PDVContent.AddDataSet( CommandFieldConst.NoDataSet, DICOMTag.DataSetTypeTag);
nsetRequestCmd.PDVContent.AddDataSet(requestedSOPInstanceUID, DICOMTag.RequestedSOPInstanceUIDTag);
nsetRequestCmd.PDVContent.CreateGroupLengthDataset(DICOMTag.CommandGroupLengthTag);
var sentmsg = nsetRequestCmd.CreateByteBuff(preCtxID, true, true);
os.Write(sentmsg, 0, sentmsg.Length);
}