LDicomNet::OnReceiveNDeleteRequest

Summary

Notifies a connection that an N-DELETE-REQ command was received. This function is available in the PACS Imaging Toolkit.

Syntax

virtual L_VOID LDicomNet::OnReceiveNDeleteRequest(nPresentationID, nMessageID, pszClass, pszInstance)

Parameters

L_UCHAR 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.

L_UINT16 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.

L_TCHAR * pszClass

Class affected by the request. This will be an SOP Class or an SOP MetaClass.

L_TCHAR * pszInstance

The instance of the class. A server may, for example, have three instances of the Nuclear Medicine Class. This value specifies an instance.

Returns

None.

Comments

A call to this function is generated on a peer member of a connection when LDicomNet::SendNDeleteRequest is called locally.

To customize this function, you must derive a class from LDicomNet and override this function.

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

Platforms

Win32, x64

See Also

Functions

• LDicomNet::SendNDeleteRequest
• LDicomNet::SendNDeleteResponse
• LDicomNet::OnReceiveNDeleteResponse

Topics

• Receiving Messages

Example

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)
   identifies 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 server
   

   L_VOID LMyDicomNet::OnReceiveNDeleteRequest(L_UCHAR nPresentationID, L_UINT16 nMessageID, L_TCHAR *pszClass, L_TCHAR *pszInstance) 
   { 
      CString strMsg; 
      L_UINT  lPeerPort; 
      L_TCHAR  szPeerAddress[100]; 
    
      GetPeerInfo(szPeerAddress,100, &lPeerPort); 
      strMsg.Format(TEXT("*** OnReceiveNDeleteRequest ***\nPeer[%s]\nnPresentationID[%d]\nnMessageID[%d]\npszClass[%s]\npszInstance[%s]"),  
                   szPeerAddress, 
                   nPresentationID,  
                   nMessageID,  
                   pszClass, 
                   pszInstance); 
    
      //... 
      //... Do the delete 
      //... 
    
      //send a delete response 
      L_UINT16 nStatus = COMMAND_STATUS_SUCCESS; 
      SendNDeleteResponse(nPresentationID, nMessageID, pszClass, pszInstance, nStatus); 
    
      strMsg = strMsg + "SendNDeleteResponse\n"; 
      AfxMessageBox(strMsg); 
    
   }