#include "ltdic.h"
L_INT LDicomNet::SendNDeleteRequest(nPresentationID, nMessageID, pszClass, pszInstance)
L_UCHAR nPresentationID; |
presentation ID |
L_UINT16 nMessageID; |
message ID |
L_TCHAR * pszClass; |
class type |
L_TCHAR * pszInstance; |
instance |
Sends an N-DELETE-REQ message to a peer member of a connection. This function is available in the PACS Imaging Toolkit.
Parameter |
Description |
nPresentationID |
Presentation ID. The presentation ID provides information about both the class type of the data and the transfer syntax to use when transferring the data. |
nMessageID |
Message ID. Each message sent by a member of a connection should have a unique ID. Since a member of a connection may send several messages, this ID allows that member to identify when a specific request has been completed. |
pszClass |
Class affected by the request. This will be an SOP Class or an SOP MetaClass. |
pszInstance |
The instance of the class. A server may, for example, have three instances of the Nuclear Medicine Class. This value specifies an instance. |
0 |
SUCCESS |
>0 |
An error occurred. Refer to Return Codes. |
Calling this function generates a call to LDicomNet::OnReceiveNDeleteRequest on the SCP. The SCP should respond by calling LDicomNet::SendNDeleteResponse which will generate a call to LDicomNet::OnReceiveNDeleteResponse.
This function requests that the SCP delete the specified SOP Instance.
Required DLLs and Libraries
LTDIC For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
Win32, x64
Functions: |
LDicomNet::SendNDeleteResponse, LDicomNet::OnReceiveNDeleteRequest, LDicomNet::OnReceiveNDeleteResponse |
Topics: |
L_INT LDicomNet__SendNDeleteRequestExample(LMyDicomNet *m_pDicomNet){//This example sends an N-Delete Request to a server//In this example:////1. LMyDicomNet is a class derived from LDicomNet//2. LMyDicomNet has the following member variables:// m_nClientOrServer: can be (STATUS_NONE, STATUS_SERVER, STATUS_CLIENT)// identifieds the LMyDicomNet object as a server or a client// m_nDataCommand: can be (COMMAND_C_MOVE,COMMAND_C_GET)// set so the server knows how a C-Store Response was generated////3. m_pDicomNet points to a valid LMyDicomNet object// LMyDicomNet *m_pDicomNet////4. A connection exists between client and server//5. An association exists between the client and serverCString strMsg = TEXT("N-Delete\n");L_INT nRet;//Choose an SOP Class to delete--in this example, choose UID_SC_IMAGE_STORAGECString strClassUID = UID_SC_IMAGE_STORAGE;//Choose an SOP Instance to deleteCString strInstanceUID = TEXT("1.2.840.113619.2.30.1.1762288927.1489.906240296.255");//Get the associate objectLDicomAssociate *pDicomAssociate = m_pDicomNet->GetAssociate();//Is class supported in the assocation?L_UCHAR nPresentationID = pDicomAssociate->FindAbstract((L_TCHAR *)(LPCTSTR)strClassUID);//nPresentationID must be odd--0 indicates failureif (nPresentationID==0){CString strTmp;strTmp.Format(TEXT("Abstract Syntax[%s] Not Included in the Association"), strClassUID);strMsg = strMsg + strTmp;}else//success{L_UINT16 uUniqueID = 99;nRet =m_pDicomNet->SendNDeleteRequest( nPresentationID,uUniqueID,(L_TCHAR *)(LPCTSTR)strClassUID,(L_TCHAR *)(LPCTSTR)strInstanceUID);if(nRet > 0)return nRet;}AfxMessageBox(strMsg);return DICOM_SUCCESS;}
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