Release Method

Summary

Releases the Association and closes the connection.

Syntax

C++/CLI

public void Release()

public: 
void Release();

Remarks

If the Association is established, this method will not return until the Association is released and the connection is closed, or an error occurs.

Example

using Leadtools; 
using Leadtools.Dicom; 
 
 
public class MyDicomPrintSCU : DicomPrintScu 
{ 
   public MyDicomPrintSCU(string path) : base(path) { } 
 
   public override void OnStatus(DicomPrintScuStatus status, DicomCommandStatusType operationStatus) 
   { 
      string statusCodeType = "Unknown"; 
      StringBuilder msg = new StringBuilder(); 
      switch (status) 
      { 
         case DicomPrintScuStatus.ReceiveAbort: 
            DicomPrintScuAbortInformation printSCUAbortInfo = GetAbortInformation(); 
            msg.AppendFormat("Source = {0}, Reason = {1}", printSCUAbortInfo.Source, printSCUAbortInfo.Reason); 
            Console.WriteLine("Print SCP Aborted the Association: " + msg.ToString()); 
            break; 
 
         case DicomPrintScuStatus.ReceivePrintFilmSessionRsp: 
            DicomCommandStatusType commandStatusType = GetLastOperationStatus(); 
            if (operationStatus == DicomCommandStatusType.Success) 
            { 
               if (commandStatusType == DicomCommandStatusType.Success) 
               { 
                  statusCodeType = "Success"; 
               } 
               else 
               { 
                  statusCodeType = "Warning"; 
               } 
            } 
            else 
            { 
               statusCodeType = "Failure"; 
            } 
            msg.AppendFormat("Status: 0x{0:X4} {1}", commandStatusType, statusCodeType); 
            Console.WriteLine($"Received N-ACTION-RSP (Basic Film Session SOP Class): {msg.ToString()}"); 
            break; 
      } 
   } 
 
      public override void OnPrinterReport(int eventTypeID, DicomPrinterReportInformation reportInfo) 
   { 
      StringBuilder msg = new StringBuilder(); 
      string eventTypeName = "Normal"; 
      switch (eventTypeID) 
      { 
         case 2: 
            eventTypeName = "Warning"; 
            break; 
 
         case 3: 
            eventTypeName = "Failure"; 
            break; 
      } 
 
      msg.AppendFormat("Event Type Name: {0}", eventTypeName); 
 
      if (eventTypeID != 1 && reportInfo != null) 
      { 
         if (reportInfo.PrinterStatusInfo != null) 
         { 
            msg.AppendFormat("{0}Printer Status Info: {1}", Environment.NewLine, reportInfo.PrinterStatusInfo); 
         } 
 
         if (reportInfo.FilmDestination != null) 
         { 
            msg.AppendFormat("{0}Film Destination: {1}", Environment.NewLine, reportInfo.FilmDestination); 
         } 
 
         if (reportInfo.PrinterName != null) 
         { 
            msg.AppendFormat("{0}Printer Name: {1}", Environment.NewLine, reportInfo.PrinterName); 
         } 
      } 
      Console.WriteLine($"Printer Status Report: {msg.ToString()}"); 
   } 
 
   public override void OnPrintJobReport(string printJobInstanceUID, int eventTypeID, DicomPrintJobReportInformation reportInfo) 
   { 
      StringBuilder msg = new StringBuilder(); 
      msg.AppendFormat("Print Job SOP Instance UID: {0}", printJobInstanceUID); 
 
      string eventTypeName = "Pending"; 
      switch (eventTypeID) 
      { 
         case 2: 
            eventTypeName = "Printing"; 
            break; 
 
         case 3: 
            eventTypeName = "Done"; 
            break; 
 
         case 4: 
            eventTypeName = "Failure"; 
            break; 
      } 
      msg.AppendFormat("{0}Event Type Name: {1}", Environment.NewLine, eventTypeName); 
 
      if (reportInfo != null) 
      { 
         if (reportInfo.ExecutionStatusInfo != null) 
         { 
            msg.AppendFormat("{0}Execution Status Info: {1}", Environment.NewLine, reportInfo.ExecutionStatusInfo); 
         } 
 
         if (reportInfo.FilmSessionLabel != null) 
         { 
            msg.AppendFormat("{0}Film Session Label: {1}", Environment.NewLine, reportInfo.FilmSessionLabel); 
         } 
 
         if (reportInfo.PrinterName != null) 
         { 
            msg.AppendFormat("{0}Printer Name: {1}", Environment.NewLine, reportInfo.PrinterName); 
         } 
      } 
      Console.WriteLine($"Print Job Status Report: {msg.ToString()}"); 
   } 
}; 
 
void PerformBasicPM() 
{ 
 
   //It's assumed that support for medical communication is already unlocked 
 
   //Make sure to initialize the DICOM engine, this needs to be done only once  
   //In the whole application 
   DicomEngine.Startup(); 
 
   //Make sure to initialize the DICOM Communication engine, this needs to be done only once  
   //In the whole application 
   DicomNet.Startup(); 
 
   //The DicomPrintSCU is disposable, this is why we are using the "using" keyword 
   using (MyDicomPrintSCU printSCU = new MyDicomPrintSCU(null)) 
   { 
      printSCU.SetTimeout(60); 
 
      try 
      { 
         // Establish the Association 
         bool ret = printSCU.Associate("10.1.1.209", 7104, "PrintSCP", "PrintSCU", 
                              DicomPrintScuPrintManagementClassFlags.BasicGrayscalePmMetaSopClass | 
                              DicomPrintScuPrintManagementClassFlags.BasicColorPmMetaSopClass | 
                              DicomPrintScuPrintManagementClassFlags.BasicAnnotationBoxSopClass | 
                              DicomPrintScuPrintManagementClassFlags.BasicPrintImageOverlayBoxSopClass | 
                              DicomPrintScuPrintManagementClassFlags.PresentationLutSopClass | 
                              DicomPrintScuPrintManagementClassFlags.PrintJobSopClass | 
                              DicomPrintScuPrintManagementClassFlags.PrinterConfigurationRetrievalSopClass); 
         //The method will return false if the association was rejected, 
         //if some other error occurred then an exception will be thrown 
         if (ret == false) 
         { 
            DicomPrintScuAssociateRejectInformation associateRejectInfo = printSCU.GetAssociateRejectInformation(); 
            if (associateRejectInfo != null) 
            { 
               StringBuilder msg = new StringBuilder(); 
               msg.AppendFormat("Source = {0}, Reason = {1}", associateRejectInfo.Source, associateRejectInfo.Reason); 
               Console.WriteLine(msg.ToString()); 
               return; 
            } 
         } 
 
         // Display some printer info 
         GetPrinterInfo(printSCU); 
 
         // Display some printer configuration info 
         GetPrinterConfigInfo(printSCU); 
 
         // Create a Film Session 
         DicomFilmSessionParameters filmSessionParameters = printSCU.GetDefaultFilmSessionParameters(); 
         filmSessionParameters.NumberOfCopies = 1; 
 
         //Over here we can set some other film session parameters before creating the film session. 
         //To set these parameters we can access one or more of these properties: 
         //DicomFilmSessionParameters.NumberOfCopies 
         //DicomFilmSessionParameters.MemoryAllocation 
         //DicomFilmSessionParameters.OwnerID 
         //DicomFilmSessionParameters.PrintPriority 
         //DicomFilmSessionParameters.MediumType 
         //DicomFilmSessionParameters.FilmDestination 
         //DicomFilmSessionParameters.FilmSessionLabel 
 
         printSCU.CreateFilmSession(filmSessionParameters, true); 
         Console.WriteLine($"Film Session SOP Instance UID: {printSCU.GetFilmSessionInstanceUid()}"); 
 
         // Update the Film Session to specify a "MED" Print Priority 
         filmSessionParameters = printSCU.GetDefaultFilmSessionParameters(); 
         filmSessionParameters.PrintPriority = "MED"; 
         printSCU.UpdateFilmSession(filmSessionParameters); 
 
 
         DicomFilmBoxParameters filmBoxParameters = printSCU.GetDefaultFilmBoxParameters(); 
 
         if (printSCU.IsClassSupported(DicomPrintScuPrintManagementClassFlags.BasicAnnotationBoxSopClass)) 
         { 
            filmBoxParameters.AnnotationDisplayFormatID = "SomeID"; 
         } 
 
         //Over here we can set some other film box parameters before creating the film box. 
         //To set these parameters we can access one or more of these properties: 
         //DicomFilmBoxParameters.ImageDisplayFormat 
         //DicomFilmBoxParameters.FilmOrientation 
         //DicomFilmBoxParameters.FilmSizeID 
         //DicomFilmBoxParameters.ConfigurationInformation 
         //DicomFilmBoxParameters.AnnotationDisplayFormatID 
         //DicomFilmBoxParameters.SmoothingType 
         //DicomFilmBoxParameters.BorderDensity 
         //DicomFilmBoxParameters.EmptyImageDensity 
         //DicomFilmBoxParameters.Trim 
         //DicomFilmBoxParameters.RequestedResolutionID 
         //DicomFilmBoxParameters.MaxDensity 
         //DicomFilmBoxParameters.MinDensity 
         //DicomFilmBoxParameters.Illumination 
         //DicomFilmBoxParameters.ReflectedAmbientLight 
         //DicomFilmBoxParameters.MagnificationType 
 
         // Create a Film Box 
         printSCU.CreateFilmBox(filmBoxParameters, null); 
         Console.WriteLine($"Film Box SOP Instance UID: {printSCU.GetFilmBoxInstanceUid()}"); 
 
         // Create a Presentation LUT 
         if (printSCU.IsClassSupported(DicomPrintScuPrintManagementClassFlags.PresentationLutSopClass)) 
         { 
            // Make sure that you have a valid presentation state dataset, 
            // otherwise leave this code commented out 
 
            /* 
            using (DicomDataSet presentationLUTDataset = new DicomDataSet()) 
            { 
               //Load DICOM File 
               presentationLUTDataset.Load(LeadtoolsExamples.Common.ImagesPath.Path + "plut_Pre.dcm", DicomDataSetLoadFlags.None); 
               printSCU.CreatePresentationLUT(presentationLUTDataset, null); 
 
               string presLUTInstanceUID = printSCU.GetPresentationLutInstanceUid(); 
               if(presLUTInstanceUID != null) 
               { 
                  Console.WriteLine($"Pres LUT SOP Instance UID: {presLUTInstanceUID}"); 
                  printSCU.UpdateFilmBox(null, presLUTInstanceUID); 
               } 
             } 
             */ 
         } 
 
         using (DicomDataSet imageDataset = new DicomDataSet()) 
         { 
            //Load DICOM File 
            imageDataset.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE3.dcm"), DicomDataSetLoadFlags.LoadAndClose); 
            // Update the Image Box. Since the Image Display Format of the Film Box was 
            // set to "STANDARD\1,1", then we are supposed to have one Image Box created 
            // by the Print SCP. 
            if (printSCU.GetImageBoxesCount() > 0) 
            { 
               Console.WriteLine($"Image Box SOP Instance UID: {printSCU.GetImageBoxInstanceUid(0)}"); 
 
               DicomImageBoxParameters imageBoxParameters = printSCU.GetDefaultImageBoxParameters(); 
               imageBoxParameters.ImagePosition = 1; 
 
               //Over here we can set some other image box parameters before updating the image box. 
               //To set these parameters we can access one or more of these properties: 
               //DicomImageBoxParameters.MinDensity 
               //DicomImageBoxParameters.MaxDensity 
               //DicomImageBoxParameters.RequestedImageSize 
               //DicomImageBoxParameters.Polarity 
               //DicomImageBoxParameters.MagnificationType 
               //DicomImageBoxParameters.SmoothingType 
               //DicomImageBoxParameters.ConfigurationInformation 
               //DicomImageBoxParameters.RequestedDecimateCropBehavior 
 
               printSCU.UpdateImageBox(printSCU.GetImageBoxInstanceUid(0), 
                                       imageDataset, 
                                       0, 
                                       imageBoxParameters, 
                                       null, 
                                       null); 
               // We don't need them any more 
               printSCU.FreeImageBoxesInstanceUids(); 
            } 
         } 
 
         // Update the Annotation Boxes (if there are any)  
         int annotationBoxCount = printSCU.GetAnnotationBoxesCount(); 
         for (int i = 0; i < annotationBoxCount; i++) 
         { 
            printSCU.UpdateAnnotationBox(printSCU.GetAnnotationBoxInstanceUid(i), i + 1, "Some Text"); 
         } 
         printSCU.FreeAnnotationBoxesInstanceUids(); // We don't need them any more 
 
         // Print the Film Session (or the Film Box; there is no difference since we 
         // have a single Film Box in the Film Session)  
         printSCU.PrintFilmSession(); 
         // We can also call this 
         //PrintSCU.PrintFilmBox(); 
 
         // Display some info about the Print Job 
         if (printSCU.IsClassSupported(DicomPrintScuPrintManagementClassFlags.PrintJobSopClass)) 
         { 
            GetPrintJobInfo(printSCU, printSCU.GetPrintJobInstanceUid()); 
         } 
 
         // Delete the Film Box (anyway, it would be deleted when the Film Session 
         // is deleted)  
         printSCU.DeleteFilmBox(); 
 
         // Delete the Film Session 
         printSCU.DeleteFilmSession(); 
 
         // We can also call printSCU.DeletePresentationLUT and printSCU.DeleteOverlayBox 
         // to Delete the Presentation LUT and the Image Overlay Box  
 
      } 
      catch (DicomException ex) 
      { 
         Console.WriteLine(string.Format("An error occurred, code: {0}", ex.Code)); 
         return; 
      } 
      finally 
      { 
         // Release the Association and close the connection 
         printSCU.Release(); 
      } 
   } 
   DicomNet.Shutdown(); 
   DicomEngine.Shutdown(); 
} 
 
void GetPrinterInfo(DicomPrintScu printSCU) 
{ 
   // Query the Print SCP for the information 
   try 
   { 
      DicomPrinterInformation printerInfo = printSCU.GetPrinterInformation(null, true); 
      StringBuilder msg = new StringBuilder(); 
      msg.AppendFormat("Printer Status: {0}{2}Printer Status Info: {1}", printerInfo.PrinterStatus, printerInfo.PrinterStatusInfo, Environment.NewLine); 
 
      //Over here we can also investigate other printer information by accessing the following  
      //properties from the DicomPrinterInformation class: TimeOfLastCalibration, DateOfLastCalibration, 
      //SoftwareVersions, DeviceSerialNumber, ManufacturerModelName , Manufacturer, CreationDate, and CreationTime. 
 
      Console.WriteLine($"Printer Info: {msg.ToString()}"); 
   } 
   catch (DicomException ex) 
   { 
      Console.WriteLine(string.Format("Failed to get printer information, Error code: {0}", ex.Code)); 
   } 
} 
 
void GetPrinterConfigInfo(DicomPrintScu printSCU) 
{ 
   // Assume that the Association is already established 
 
   try 
   { 
      // Query the Print SCP for the printer configuration information 
      DicomDataSet printerConfiguration = printSCU.GetPrinterConfiguration(); 
 
      // We will display only the Printer Name and Memory Bit Depth 
      // in the first Item 
 
      DicomElement element = printerConfiguration.FindFirstElement(null, DicomTag.PrinterConfigurationSequence, false); 
      if (element == null) 
         return; 
 
      element = printerConfiguration.GetChildElement(element, true); 
      if (element == null) 
         return; 
 
      element = printerConfiguration.GetChildElement(element, true); 
      if (element == null) 
         return; 
 
      StringBuilder msg = new StringBuilder(); 
      msg.Append("Printer Name: "); 
 
      DicomElement printerName = printerConfiguration.FindFirstElement(element, DicomTag.PrinterName, true); 
      if (printerName != null) 
      { 
         string name = printerConfiguration.GetStringValue(printerName, 0); 
         if (name != null) 
         { 
            msg.AppendFormat("{0}{1}", name, Environment.NewLine); 
         } 
         else 
         { 
            msg.AppendFormat("N/A{0}", Environment.NewLine); 
         } 
      } 
 
      msg.Append("Memory Bit Depth: "); 
 
      DicomElement memoryBitDepth = printerConfiguration.FindFirstElement(element, DicomTag.MemoryBitDepth, true); 
      if (memoryBitDepth != null) 
      { 
         short[] value = printerConfiguration.GetShortValue(memoryBitDepth, 0, 1); 
         if (value.Length > 0) 
         { 
            msg.AppendFormat("{0}", value[0]); 
         } 
         else 
         { 
            msg.Append("N/A"); 
         } 
      } 
      Console.WriteLine($"Printer Config Info: {msg.ToString()}"); 
 
   } 
   catch (DicomException ex) 
   { 
      Console.WriteLine(string.Format("Failed to get Printer Configuration Info, Error code: {0}", ex.Code)); 
   } 
} 
 
void GetPrintJobInfo(DicomPrintScu printSCU, string printJobInstanceUID) 
{ 
   // Query the Print SCP for the Print Job information 
   try 
   { 
      DicomPrintJobInformation printJobInfo = printSCU.GetPrintJobInformation(printJobInstanceUID, null); 
      StringBuilder msg = new StringBuilder(); 
 
      msg.AppendFormat("Execution Status: {0}{2}Execution Status Info: {1}", 
         printJobInfo.ExecutionStatus, 
         printJobInfo.ExecutionStatusInfo, 
         Environment.NewLine); 
 
      Console.WriteLine($"Print Job Info: {msg.ToString()}"); 
   } 
   catch (DicomException ex) 
   { 
      Console.WriteLine(string.Format("Failed to get Print Job information, Error code: {0}", ex.Code)); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}

Requirements

Target Platforms

Reference

DicomPrintScu Class

DicomPrintScu Members

Associate(String,Int32,String,String,DicomPrintScuPrintManagementClassFlags) Method

Abort Method

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Help Version 22.0.2023.1.29

Leadtools.Dicom Assembly

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