Dispose(bool) Method

Summary

Releases all resources used by this PDFDocument.

Syntax

C++/CLI

Python

[HandleProcessCorruptedStateExceptionsAttribute()] 
protected virtual void Dispose( 
   bool disposing 
)

protected: 
virtual void Dispose(  
   bool disposing 
)

def Dispose(self,disposing):

Parameters

disposing
true to release both managed and unmanaged resources; false to release only unmanaged resources.

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

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

Reference

PDFDocument Class

PDFDocument Members

Overload List

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Help Version 23.0.2024.2.29

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies