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Oct 17, 2025
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985863-1: UG documentation feedback for PDF library- Part 2 #1538

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985863-1: UG documentation feedback for PDF library- Part 2
sameerkhan001 Oct 10, 2025
4261c2b
985863-1: Changed the six md files.
sameerkhan001 Oct 10, 2025
2a44f3e
985863-1: Resolved CI failures.
sameerkhan001 Oct 10, 2025
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392 changes: 268 additions & 124 deletions Document-Processing/PDF/PDF-Library/NET/Working-with-Security.md
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417 changes: 324 additions & 93 deletions Document-Processing/PDF/PDF-Library/NET/Working-with-Shapes.md
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467 changes: 292 additions & 175 deletions Document-Processing/PDF/PDF-Library/NET/Working-with-Tagged-PDF.md
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130 changes: 95 additions & 35 deletions Document-Processing/PDF/PDF-Library/NET/Working-with-Text-Extraction.md
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,11 @@ The following code snippet explains how to extract the texts from a page.

{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Text%20Extraction/Extract-the-texts-from-a-page-in-the-PDF-document/.NET/Extract-the-texts-from-a-page-in-the-PDF-document/Program.cs" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load the PDF document.
FileStream docStream = new FileStream("Sample.pdf", FileMode.Open, FileAccess.Read);
//Load the PDF document.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Load the first page.
PdfPageBase page = loadedDocument.Pages[0];

Expand All @@ -38,8 +39,11 @@ loadedDocument.Close(true);

{% highlight c# tabtitle="C# [Windows-specific]" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load an existing PDF.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Load the first page.
PdfPageBase page = loadedDocument.Pages[0];

Expand All @@ -52,8 +56,11 @@ loadedDocument.Close(true);

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing

'Load an existing PDF.
Dim loadedDocument As New PdfLoadedDocument(fileName)
Dim loadedDocument As New PdfLoadedDocument("Input.pdf")
'Load the first page.
Dim page As PdfPageBase = loadedDocument.Pages(0)

Expand All @@ -78,10 +85,11 @@ The below code illustrates how to extract the text from entire PDF document:

{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Text%20Extraction/Extract-text-from-the-entire-PDF-document/.NET/Extract-text-from-the-entire-PDF-document/Program.cs" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load the PDF document.
FileStream docStream = new FileStream("Sample.pdf", FileMode.Open, FileAccess.Read);
//Load the PDF document.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Loading page collections
PdfLoadedPageCollection loadedPages = loadedDocument.Pages;

Expand All @@ -98,8 +106,11 @@ loadedDocument.Close(true);

{% highlight c# tabtitle="C# [Windows-specific]" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load an existing PDF document.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Loading page collections
PdfLoadedPageCollection loadedPages = loadedDocument.Pages;

Expand All @@ -116,8 +127,11 @@ loadedDocument.Close(true);

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing

' Load an existing PDF document.
Dim loadedDocument As New PdfLoadedDocument(fileName)
Dim loadedDocument As New PdfLoadedDocument("Input.pdf")
' Loading page collections
Dim loadedPages As PdfLoadedPageCollection = loadedDocument.Pages

Expand Down Expand Up @@ -145,10 +159,11 @@ Please refer the following code snippet to extract the text with layout.

{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Text%20Extraction/Extract-the-text-with-layout-in-a-PDF-document/.NET/Extract-the-text-with-layout-in-a-PDF-document/Program.cs" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load the PDF document.
FileStream docStream = new FileStream("Sample.pdf", FileMode.Open, FileAccess.Read);
//Load the PDF document.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Load first page.
PdfPageBase page = loadedDocument.Pages[0];

Expand All @@ -157,18 +172,20 @@ string extractedTexts = page.ExtractText(true);
//Close the document.
loadedDocument.Close(true);

//Save the document into stream
MemoryStream stream = new MemoryStream();
loadedDocument.Save(stream);
//Save the document
loadedDocument.Save("Output.pdf");
//Closes the document
loadedDocument.Close(true);

{% endhighlight %}

{% highlight c# tabtitle="C# [Windows-specific]" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load an existing PDF.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Load first page.
PdfPageBase page = loadedDocument.Pages[0];

Expand All @@ -181,15 +198,20 @@ loadedDocument.Close(true);

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

//Load an existing PDF.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
//Load first page.
PdfPageBase page = loadedDocument.Pages[0];
Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing

//Extract text from first page.
string extractedTexts = page.ExtractText(true);
//close the document
loadedDocument.Close(true);
' Load an existing PDF
Dim loadedDocument As New PdfLoadedDocument("Input.pdf")

' Load the first page
Dim page As PdfPageBase = loadedDocument.Pages(0)

' Extract text from the first page
Dim extractedTexts As String = page.ExtractText(True)

' Close the document
loadedDocument.Close(True)

{% endhighlight %}

Expand All @@ -211,8 +233,11 @@ You can get the line and its properties that contains texts by using [TextLine](

//PDF supports getting the lines and its properties using TextLine only in WinForms, WPF and Xamarin platforms. Instead of TextLine, TextLineCollection can be used in ASP.NET Core.

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load the existing PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Get the first page of the loaded PDF document
PdfPageBase page = loadedDocument.Pages[0];
var lineCollection = new TextLineCollection();
Expand All @@ -232,8 +257,11 @@ foreach (var line in lineCollection.TextLine)

{% highlight c# tabtitle="C# [Windows-specific]" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load the existing PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Get the first page of the loaded PDF document
PdfPageBase page = loadedDocument.Pages[0];
TextLines lineCollection = new TextLines();
Expand All @@ -250,8 +278,12 @@ string text = line.Text;
{% endhighlight %}

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing

' Load the existing PDF document
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument(fileName)
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument("Input.pdf")
' Get the first page of the loaded PDF document
Dim page As PdfPageBase = loadedDocument.Pages(0)
Dim lineCollection As TextLines = New TextLines()
Expand Down Expand Up @@ -281,8 +313,12 @@ You can get the single word and its properties by using [TextWord](https://help.

//PDF supports getting the word and its properties using TextWord only in WinForms, WPF and Xamarin platforms. Instead of TextLine, TextLineCollection can be used in ASP.NET Core.

using Syncfusion.Drawing;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load the existing PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Get the first page of the loaded PDF document
PdfPageBase page = loadedDocument.Pages[0];
var lineCollection = new TextLineCollection();
Expand All @@ -304,8 +340,12 @@ foreach (var line in lineCollection.TextLine)

{% highlight c# tabtitle="C# [Windows-specific]" %}

using System.Drawing;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load the existing PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(fileName);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Get the first page of the loaded PDF document
PdfPageBase page = loadedDocument.Pages[0];
TextLines lineCollection = new TextLines();
Expand All @@ -325,8 +365,12 @@ List<TextWord> textWordCollection = line.WordCollection;

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing
Imports System.Drawing

' Load the existing PDF document
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument(fileName)
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument("Input.pdf")
' Get the first page of the loaded PDF document
Dim page As PdfPageBase = loadedDocument.Pages(0)
Dim lineCollection As TextLines = New TextLines()
Expand Down Expand Up @@ -356,8 +400,12 @@ You can retrieve a single character and its properties, including bounds, font n

{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Text%20Extraction/Get-text-glyph-details-from-extract-text/.NET/Get-text-glyph-details-from-extract-text/Program.cs" %}

using Syncfusion.Drawing;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

// Load the existing PDF document
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(stream);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
// Get the first page of the loaded PDF document
PdfPageBase page = loadedDocument.Pages[0];
TextLineCollection lineCollection = new TextLineCollection();
Expand Down Expand Up @@ -393,8 +441,12 @@ Color glyphColor = textGlyph.TextColor;

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing
Imports System.Drawing

' Load the existing PDF document
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument(stream)
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument("Input.pdf")
' Get the first page of the loaded PDF document
Dim page As PdfPageBase = loadedDocument.Pages(0)
Dim lineCollection As New TextLineCollection()
Expand Down Expand Up @@ -441,9 +493,11 @@ The code example provided below demonstrates the utilization of the [FindText](h

{% highlight c# tabtitle="C# [Cross-platform]" playgroundButtonLink="https://raw.githubusercontent.com/SyncfusionExamples/PDF-Examples/master/Text/Find-text-in-PDF-document/.NET/Find-text-in-PDF-document/Program.cs" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load an existing PDF document.
FileStream docStream = new FileStream("Input.pdf", FileMode.Open, FileAccess.Read);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(docStream);
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Returns page number and rectangle positions of the text maches.
Dictionary<int, List<Syncfusion.Drawing.RectangleF>> matchRects = new Dictionary<int, List<Syncfusion.Drawing.RectangleF>>();
loadedDocument.FindText("document", out matchRects);
Expand All @@ -454,6 +508,9 @@ loadedDocument.Close(true);

{% highlight c# tabtitle="C# [Windows-specific]" %}

using Syncfusion.Pdf;
using Syncfusion.Pdf.Parsing;

//Load an existing PDF document.
PdfLoadedDocument loadedDocument = new PdfLoadedDocument("Input.pdf");
//Returns page number and rectangle positions of the text maches.
Expand All @@ -466,6 +523,9 @@ loadedDocument.Close(true);

{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}

Imports Syncfusion.Pdf
Imports Syncfusion.Pdf.Parsing

'Load an existing PDF document.
Dim loadedDocument As PdfLoadedDocument = New PdfLoadedDocument("Input.pdf")
'Returns page number and rectangle positions of the text maches.
Expand Down
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