Message Event

Summary
Occurs when a new message is received from the DICOM Service.
Syntax
C#
C++/CLI
public event EventHandler<MessageEventArgs> Message 
public: 
event EventHandler<MessageEventArgs^>^ Message 
Event Data

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

PropertyDescription
Message Gets the message.
Example
C#
using Leadtools; 
using Leadtools.Dicom.AddIn.Common; 
using Leadtools.Dicom.AddIn.Interfaces; 
 
 
 
AutoResetEvent statusEvent = new AutoResetEvent(false); 
 
public void InstallServiceTest() 
{ 
   ServiceAdministrator admin = new ServiceAdministrator(LEAD_VARS.InstallWin32Dir); 
   ServerSettings settings = new ServerSettings(); 
   DicomService service; 
 
   settings.AETitle = "DICOM_SERVER"; 
   settings.Port = 104; 
   settings.DisplayName = "Sample Dicom Server"; 
   settings.IpAddress = Dns.GetHostEntry(Environment.MachineName).AddressList[0].ToString(); 
   service = admin.InstallService(settings); 
   if (service != null && service.Settings.AETitle == "DICOM_SERVER") 
   { 
      service.Message += new EventHandler<MessageEventArgs>(service_Message); 
      service.StatusChange += new EventHandler(service_StatusChange); 
 
      Console.WriteLine("Base Directory: {0}", admin.BaseDirectory); 
      Console.WriteLine("Server Directory: {0}", service.ServiceDirectory); 
 
      try 
      { 
         AeInfo ae = new AeInfo(); 
 
         // 
         // Start the service 
         // 
         service.Start(); 
         service.WaitForStatus(ServiceControllerStatus.Running, TimeSpan.FromSeconds(30)); 
 
         ProcessMessages(); 
 
 
         if (service.IsAdminAvailable) 
         { 
            // 
            // Add AE Title 
            // 
            ae.AETitle = "CLIENT"; 
            ae.Port = 1000; 
            ae.Address = string.Empty; 
            service.SendMessage(MessageNames.AddAeTitle, ae); 
         } 
 
         ProcessMessages(); 
 
         // 
         // Pause the service 
         // 
         service.Pause(); 
         service.WaitForStatus(ServiceControllerStatus.Paused, TimeSpan.FromSeconds(30)); 
 
         ProcessMessages(); 
 
      } 
      finally 
      { 
         if (service.Status != ServiceControllerStatus.Stopped) 
         { 
            // 
            // Stop the service 
            // 
            service.Stop(); 
            service.WaitForStatus(ServiceControllerStatus.Stopped, TimeSpan.FromSeconds(30)); 
         } 
 
         // 
         // UnInstall the service 
         // 
         admin.UnInstallService(service); 
      } 
   } 
} 
 
// 
// Need to process messages so events get called in time.  In a normal windows applications there is no need 
//  to do this extra processing. 
// 
private void ProcessMessages() 
{ 
   while (!statusEvent.WaitOne(0)) 
   { 
      Application.DoEvents(); 
   } 
} 
 
void service_StatusChange(object sender, EventArgs e) 
{ 
   DicomService service = sender as DicomService; 
 
   Console.WriteLine(service.Status); 
   if (service.Status == ServiceControllerStatus.Running || service.Status == ServiceControllerStatus.Stopped || 
      service.Status == ServiceControllerStatus.Paused) 
   { 
      statusEvent.Set(); 
   } 
} 
 
void service_Message(object sender, MessageEventArgs e) 
{ 
   if (e.Message.Message == MessageNames.AddAeTitle) 
   { 
      if (e.Message.Success) 
      { 
         AeInfo ae = e.Message.Data[0] as AeInfo; 
 
         Console.WriteLine("AE Title: {0}", ae.AETitle); 
         Console.WriteLine("IP Address: {0}", ae.Address); 
         Console.WriteLine("Port: {0}", ae.Port); 
      } 
      else 
      { 
         Console.WriteLine("Error Adding AETITLE: {0}", e.Message.Error); 
      } 
   } 
   statusEvent.Set(); 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Dicom.Server.Admin Assembly
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.