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Dispose() Method

Summary
Releases all resources used by this PDFDocument.
Syntax
C#
C++/CLI
Java
Python
public void Dispose() 
public synchronized void dispose(); 
public: 
void Dispose();  
def Dispose(self): 
Remarks

Because the PDFDocument class implements the System.IDisposable interface, it is best that you follow the standard .NET dispose pattern when using the PDFDocument class. For more information, refer to the System.IDisposable interface documentation in MSDN.

Example
C#
Java
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
using Leadtools.WinForms; 
 
 
public void PDFDocumentExample() 
{ 
   string pdfFileName = Path.Combine(LEAD_VARS.ImagesDir, @"Leadtools.pdf"); 
 
   // Create a PDF document for file 
   using (PDFDocument document = new PDFDocument(pdfFileName)) 
   { 
 
      // Show the file type and properties 
      Console.WriteLine("File type is : {0}", document.FileType); 
      Console.WriteLine("Contains : {0} pages", document.Pages.Count); 
      Console.WriteLine("----------:"); 
      foreach (PDFDocumentPage page in document.Pages) 
      { 
         Console.WriteLine("Page: {0}, size: {1} by {2} ({3} by {4} inches)", page.PageNumber, page.Width, page.Height, page.WidthInches, page.HeightInches); 
      } 
 
      PDFDocumentProperties props = document.DocumentProperties; 
      Console.WriteLine("Properties:"); 
      Console.WriteLine("----------:"); 
      Console.WriteLine("Title: {0}", props.Title); 
      Console.WriteLine("Author: {0}", props.Author); 
      Console.WriteLine("Subject: {0}", props.Subject); 
      Console.WriteLine("Keywords: {0}", props.Keywords); 
      Console.WriteLine("Creator: {0}", props.Creator); 
      Console.WriteLine("Producer: {0}", props.Producer); 
      Console.WriteLine("Created: {0}", props.Created); 
      Console.WriteLine("Modified: {0}", props.Modified); 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
} 
 
import java.io.BufferedWriter; 
import java.io.Console; 
import java.io.File; 
import java.io.FileWriter; 
import java.io.IOException; 
import java.io.OutputStream; 
import java.io.OutputStreamWriter; 
import java.nio.Buffer; 
import java.nio.file.Files; 
import java.nio.file.Path; 
import java.nio.file.Paths; 
import java.nio.file.StandardOpenOption; 
import java.sql.Date; 
import java.text.SimpleDateFormat; 
import java.time.LocalDateTime; 
import java.util.ArrayList; 
import java.util.List; 
 
import javax.xml.validation.Schema; 
 
import org.apache.lucene.store.Directory; 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.barcode.*; 
import leadtools.codecs.*; 
import leadtools.pdf.*; 
import leadtools.svg.*; 
 
 
public void pdfDocumentExample() { 
   String LEAD_VARS_ImagesDir = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String pdfFileName = combine(LEAD_VARS_ImagesDir, "Leadtools.pdf"); 
 
   // Create a PDF document for file 
   PDFDocument document = new PDFDocument(pdfFileName); 
 
   // Show the file type and properties 
   System.out.println("File type is : " + document.getFileType()); 
   int numPages = 0; 
   for (PDFDocumentPage page : document.getPages()) { 
      numPages++; 
   } 
   System.out.println("Contains : " + numPages + " pages"); 
   System.out.println("----------:"); 
   for (PDFDocumentPage page : document.getPages()) { 
      System.out.println("Page: " + page.getPageNumber() + ", size: " + page.getWidth() + " by " + page.getHeight() 
            + " (" + page.getWidthInches() + " by " + page.getHeightInches() + " inches)"); 
   } 
 
   PDFDocumentProperties props = document.getDocumentProperties(); 
   System.out.println("Properties:"); 
   System.out.println("----------:"); 
   System.out.println("Title: " + props.getTitle()); 
   System.out.println("Author: " + props.getAuthor()); 
   System.out.println("Subject: " + props.getSubject()); 
   System.out.println("Keywords: " + props.getKeywords()); 
   System.out.println("Creator: " + props.getCreator()); 
   System.out.println("Producer: " + props.getProducer()); 
   System.out.println("Created: " + props.getCreated()); 
   System.out.println("Modified: " + props.getModified()); 
   assertTrue(props != null); 
} 
Requirements

Target Platforms

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

Leadtools.Pdf Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.