BeforeAssociateRequest Event

Summary
Occurs when an associate request is sent to the SCP.
Syntax
C#
C++/CLI
public event BeforeAssociationRequestDelegate BeforeAssociateRequest 
public: 
event BeforeAssociationRequestDelegate^ BeforeAssociateRequest 
Event Data

The event handler receives an argument of type BeforeAssociateRequestEventArgs containing data related to this event. The following BeforeAssociateRequestEventArgs properties provide information specific to this event.

PropertyDescription
Associate Gets the associate.
PresentationContexts Gets the presentation contexts.
Scp (Inherited from Leadtools.Dicom.Scu.Common.BaseEventArgs)Gets the SCP.
Example
C#
using Leadtools; 
using Leadtools.Dicom.Scu; 
using Leadtools.Dicom.Scu.Common; 
using Leadtools.Dicom; 
using Leadtools.Dicom.Common.DataTypes; 
using Leadtools.Dicom.Common.DataTypes.Status; 
 
 
 
public void StoreDirectory() 
{ 
   DicomEngine.Startup(); 
   DicomNet.Startup(); 
 
   StoreScu storeDirectory = new StoreScu(); 
   DicomScp scp = new DicomScp(); 
 
   // 
   // Change these parameters to reflect the calling AETitle. 
   // 
 
   storeDirectory.AETitle = "LEAD_CLIENT"; 
   storeDirectory.HostPort = 1000; 
   storeDirectory.HostAddress = Dns.GetHostEntry(Dns.GetHostName()).AddressList.FirstOrDefault(ip => ip.AddressFamily == AddressFamily.InterNetwork); 
 
   // 
   // Change these parameters to reflect the called AETitle (server). 
   // 
 
   scp.AETitle = "MI_SERVER"; 
   scp.Port = 104; 
   scp.Timeout = 60; 
   scp.PeerAddress = IPAddress.Parse("10.1.1.96"); 
 
   storeDirectory.BeforeAssociateRequest += new BeforeAssociationRequestDelegate(storeDirectory_BeforeAssociateRequest); 
   storeDirectory.AfterAssociateRequest += new AfterAssociateRequestDelegate(storeDirectory_AfterAssociateRequest); 
   storeDirectory.BeforeCStore += new BeforeCStoreDelegate(storeDirectory_BeforeCStore); 
   storeDirectory.AfterCStore += new AfterCStoreDelegate(storeDirectory_AfterCStore); 
   storeDirectory.Compression = Compression.Native; 
   storeDirectory.Store(scp, LEAD_VARS.ImagesDir + "\\DICOM", "*.*", false); 
 
   DicomNet.Shutdown(); 
   DicomEngine.Shutdown(); 
} 
 
void storeDirectory_BeforeAssociateRequest(object sender, BeforeAssociateRequestEventArgs e) 
{ 
   Console.WriteLine("Before AssociateRequest"); 
} 
 
void storeDirectory_AfterAssociateRequest(object sender, AfterAssociateRequestEventArgs e) 
{ 
   StoreScu scu = sender as StoreScu; 
 
   Console.WriteLine("After AssociateRequest"); 
   for (int i = 0; i < e.Associate.PresentationContextCount; i++) 
   { 
      byte pid = e.Associate.GetPresentationContextID(i); 
      string absSyntax = e.Associate.GetAbstract(pid); 
      DicomAssociateAcceptResultType result = e.Associate.GetResult(pid); 
      DicomUid uid = DicomUidTable.Instance.Find(absSyntax); 
 
      Console.WriteLine("\tPresentationContext ({0})", pid); 
      Console.WriteLine("\t\tAbstractSyntax: {0}", absSyntax); 
      if (uid != null) 
         Console.WriteLine("\t\tDescription: {0}", uid.Name); 
      Console.WriteLine("\t\tResult: {0}", result); 
   } 
} 
 
void storeDirectory_BeforeCStore(object sender, BeforeCStoreEventArgs e) 
{ 
   // 
   // Stop storing if we received an error 
   // 
 
   if (e.Error != null) 
      e.Skip = SkipMethod.AllFiles; 
} 
 
void storeDirectory_AfterCStore(object sender, AfterCStoreEventArgs e) 
{ 
   string msg; 
 
   msg = string.Format("{0} store complete. Status: {1}", e.FileInfo.FullName, e.Status); 
   Console.WriteLine(msg); 
 
   if (e.Status != DicomCommandStatusType.Success) 
   { 
      string statusAllString = e.StatusAll.ToString(StatusFormatFlags.IgnoreStatus, "\n", "\t"); 
      Console.WriteLine(statusAllString); 
   } 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.1.24
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Leadtools.Dicom.Scu Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.