SendNDeleteResponse Example for VB.NET

'LEADDICOMNet1 is a predefined LEADDicomNet object
'LEADDICOM1 is a DICOM Dataset defined outside this method
'This example uses the predefined variable "TreeView1" of type "TreeView" from ".NET Framework".
Private Sub LEADDICOMNet1_NetReceiveNDeleteRequest(ByVal hNet As Integer, ByVal nPresentationID As Short, ByVal nMessageID As Short, ByVal pszClass As String, ByVal pszInstance As String) Handles LEADDICOMNet1.NetReceiveNDeleteRequest
   Dim nRet As Short
   Dim NewNode As System.Windows.Forms.TreeNode
   Dim szReply As String
   Dim szName As String
   NewNode = New System.Windows.Forms.TreeNode("Command Set - " & "N-DELETE-REQUEST")
   TreeView1.Nodes.Add(NewNode)
   NewNode.EnsureVisible()
   NewNode.Nodes.Add("Presentation ID: " & CStr(nPresentationID))
   NewNode.Nodes.Add("Message ID: " & CStr(nMessageID))
   nRet = LEADDICOM1.FindUID(pszClass)
   If (nRet = 0) Then
      szName = LEADDICOM1.CurrentUID.Name
      NewNode.Nodes.Add("Affected SOP Class: " & szName & " - " & pszClass)
   Else
      NewNode.Nodes.Add("Affected SOP Class: " & pszClass)
   End If
   NewNode.Nodes.Add("Affected SOP Instance: " & pszInstance)
   'this is a function that you have to write
   nRet = PerformDeleteCommand(pszClass, pszInstance)
   If (nRet <> LTDicomKernelLib.DicomErrorCodes.DICOM_SUCCESS) Then
      nRet = LTDNCLib.DicomCommandStatusConstants.COMMAND_STATUS_NO_SUCH_OBJECT_INSTANCE
   'send a response
   szReply = "Delete Response Command Set Sent - "
   LEADDICOMNet1.SendNDeleteResponse(hNet, nPresentationID, nMessageID, pszClass, pszInstance, nRet)
   MessageBox.Show(szReply & LEADDICOMNet1.GetPeerAddress(hNet))
End Sub