NumberSchemaType Field

Summary

Number schema type.

Syntax

C++/CLI

Java

Python

public const string NumberSchemaType

public static final java.lang.String NUMBER_SCHEMA_TYPE = "N";

public:  
   literal String^ NumberSchemaType

NumberSchemaType (PDFSchema)

Field Value

"N"

Remarks

Use AsDate to convert a date schema value of type from string to a UTC DateTime object.

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Controls; 
using Leadtools.Pdf; 
using Leadtools.Svg; 
using Leadtools.WinForms; 
 
 
public static void ExtractEmbeddedFiles(string inputFileName, string outputDir) 
{ 
   // Load the source document 
   PDFDocument pdfDocument = new PDFDocument(inputFileName); 
   if (!pdfDocument.HasEmbeddedFiles) 
   { 
      Console.WriteLine("PDF does not have embedded files"); 
      // No embedded files 
      pdfDocument.Dispose(); 
      return; 
   } 
 
   // Read the attachments 
   pdfDocument.ParseDocumentStructure(PDFParseDocumentStructureOptions.EmbeddedFiles); 
 
   if (!Directory.Exists(outputDir)) 
      Directory.CreateDirectory(outputDir); 
 
   foreach (PDFEmbeddedFile embeddedFile in pdfDocument.EmbeddedFiles) 
   { 
      // Show this file information 
      Console.WriteLine($"Number:{embeddedFile.FileNumber}"); 
      Console.WriteLine($"  FileName:{embeddedFile.FileName}"); 
      Console.WriteLine($"  FileSize:{embeddedFile.FileSize}"); 
      Console.WriteLine($"  Description:{embeddedFile.Description}"); 
      Console.WriteLine($"  Created:{embeddedFile.Created}"); 
      Console.WriteLine($"  Modified:{embeddedFile.Modified}"); 
 
      // Extract this attachment to the output directory 
      // Note: FileName of an embedded file is not guaranteed to be unique, therefore, we will append 
      // the file number which is unique to the output name 
      string outputFileName = $"{embeddedFile.FileNumber}-{embeddedFile.FileName}"; 
      Console.WriteLine($"  Extracting to {outputFileName}"); 
      outputFileName = Path.Combine(outputDir, outputFileName); 
      PDFFile.ExtractEmbeddedFile(inputFileName, pdfDocument.Password, embeddedFile.FileNumber, outputFileName); 
   } 
 
   pdfDocument.Dispose(); 
}

Requirements

Target Platforms

Reference

PDFSchema Class

PDFSchema Members

Leadtools.Pdf Namespace

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Help Version 22.0.2023.7.10

Leadtools.Pdf Assembly

Introduction

Getting Started

Namespaces

Leadtools.Pdf Namespace

Assemblies