SyncfusionExamples · chinnumuniyappan · Jul 31, 2025
diff --git a/Data/Tagged_PDF.pdf b/Data/Tagged_PDF.pdf
diff --git a/FindAndSplit/FindAndSplit/FindAndSplit.csproj b/FindAndSplit/FindAndSplit/FindAndSplit.csproj
@@ -32,14 +32,14 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Syncfusion.Compression.Base, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Compression.Base.27.1.53\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
+    <Reference Include="Syncfusion.Compression.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Compression.Base.30.1.42\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.Licensing, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Licensing.27.1.53\lib\net462\Syncfusion.Licensing.dll</HintPath>
+    <Reference Include="Syncfusion.Licensing, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Licensing.30.1.42\lib\net462\Syncfusion.Licensing.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.Pdf.Base, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Pdf.WinForms.27.1.53\lib\net462\Syncfusion.Pdf.Base.dll</HintPath>
+    <Reference Include="Syncfusion.Pdf.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Pdf.WinForms.30.1.42\lib\net462\Syncfusion.Pdf.Base.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />

diff --git a/FindAndSplit/FindAndSplit/Program.cs b/FindAndSplit/FindAndSplit/Program.cs
@@ -1,18 +1,14 @@
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Parsing;
-using System;
 using System.Collections.Generic;
 using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace FindAndSplit
 {
     class Program
     {
         static void Main(string[] args)
-        {
+        {           
             //Load the PDF document
             PdfLoadedDocument loadedDocument = new PdfLoadedDocument("../../../../Data/PDF_Succinctly.pdf");
             Dictionary<int, List<RectangleF>> textFound = new Dictionary<int, List<RectangleF>>();

diff --git a/FindAndSplit/FindAndSplit/packages.config b/FindAndSplit/FindAndSplit/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Syncfusion.Compression.Base" version="27.1.53" targetFramework="net462" />
-  <package id="Syncfusion.Licensing" version="27.1.53" targetFramework="net462" />
-  <package id="Syncfusion.Pdf.WinForms" version="27.1.53" targetFramework="net462" />
+  <package id="Syncfusion.Compression.Base" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Licensing" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Pdf.WinForms" version="30.1.42" targetFramework="net462" />
 </packages>
diff --git a/ImportAccessibilityTags/ImportAccessibilityTags.sln b/ImportAccessibilityTags/ImportAccessibilityTags.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36310.24 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ImportAccessibilityTags", "ImportAccessibilityTags\ImportAccessibilityTags.csproj", "{FA3029EE-1A24-494A-8A36-6C9C207C9854}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{FA3029EE-1A24-494A-8A36-6C9C207C9854}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FA3029EE-1A24-494A-8A36-6C9C207C9854}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FA3029EE-1A24-494A-8A36-6C9C207C9854}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FA3029EE-1A24-494A-8A36-6C9C207C9854}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6CED5213-C7E8-4EEB-8303-FA768BDAD6E2}
+	EndGlobalSection
+EndGlobal
diff --git a/...ePage/SplitPDFWithMultiplePage/App.config → ...tyTags/ImportAccessibilityTags/App.config b/...ePage/SplitPDFWithMultiplePage/App.config → ...tyTags/ImportAccessibilityTags/App.config
diff --git a/ImportAccessibilityTags/ImportAccessibilityTags/ImportAccessibilityTags.csproj b/ImportAccessibilityTags/ImportAccessibilityTags/ImportAccessibilityTags.csproj
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{FA3029EE-1A24-494A-8A36-6C9C207C9854}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>ImportAccessibilityTags</RootNamespace>
+    <AssemblyName>ImportAccessibilityTags</AssemblyName>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Syncfusion.Compression.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Compression.Base.30.1.42\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
+    </Reference>
+    <Reference Include="Syncfusion.Licensing, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Licensing.30.1.42\lib\net462\Syncfusion.Licensing.dll</HintPath>
+    </Reference>
+    <Reference Include="Syncfusion.Pdf.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Pdf.WinForms.30.1.42\lib\net462\Syncfusion.Pdf.Base.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
diff --git a/ImportAccessibilityTags/ImportAccessibilityTags/Program.cs b/ImportAccessibilityTags/ImportAccessibilityTags/Program.cs
@@ -0,0 +1,22 @@
+using Syncfusion.Pdf;
+using Syncfusion.Pdf.Parsing;
+
+namespace ImportAccessibilityTags
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            //Load the PDF document.
+            PdfLoadedDocument loadedDocument = new PdfLoadedDocument("../../../../Data/Tagged_PDF.pdf");
+            //Create the split options object.
+            PdfSplitOptions splitOptions = new PdfSplitOptions();
+            //Enable the Split tags property.
+            splitOptions.SplitTags = true;
+            //Split the document by ranges.
+            loadedDocument.SplitByFixedNumber("Output{0}.pdf", 1, splitOptions);
+            //Close the document.
+            loadedDocument.Close(true);
+        }
+    }
+}
diff --git a/...thMultiplePage/Properties/AssemblyInfo.cs → ...essibilityTags/Properties/AssemblyInfo.cs b/...thMultiplePage/Properties/AssemblyInfo.cs → ...essibilityTags/Properties/AssemblyInfo.cs
@@ -5,12 +5,12 @@
 // General Information about an assembly is controlled through the following
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("SplitPDFWithMultiplePage")]
+[assembly: AssemblyTitle("ImportAccessibilityTags")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("SplitPDFWithMultiplePage")]
-[assembly: AssemblyCopyright("Copyright ©  2020")]
+[assembly: AssemblyProduct("ImportAccessibilityTags")]
+[assembly: AssemblyCopyright("Copyright ©  2025")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -20,7 +20,7 @@
 [assembly: ComVisible(false)]
 
 // The following GUID is for the ID of the typelib if this project is exposed to COM
-[assembly: Guid("9aa30f33-2020-4a9b-b5c7-06e219ea1195")]
+[assembly: Guid("fa3029ee-1a24-494a-8a36-6c9c207c9854")]
 
 // Version information for an assembly consists of the following four values:
 //
@@ -29,8 +29,5 @@
 //      Build Number
 //      Revision
 //
-// You can specify all the values or you can default the Build and Revision Numbers
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/ImportAccessibilityTags/ImportAccessibilityTags/packages.config b/ImportAccessibilityTags/ImportAccessibilityTags/packages.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Syncfusion.Compression.Base" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Licensing" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Pdf.WinForms" version="30.1.42" targetFramework="net462" />
+</packages>
diff --git a/README.md b/README.md
@@ -3,12 +3,13 @@ The [Syncfusion&reg; .NET PDF library](https://www.syncfusion.com/document-proce
 
 Sample name | Description 
 --- | ---
-[Split PDF document into multiple files](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitWholeDocument) | Split each pages in a PDF document into individual PDF documents. 
-[Split specific page into separate PDF file](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitParticularPage) | Split a particular page from an existing PDF document into separate PDF document. 
-[Split range of pages into separate PDF file](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitRange) | Split a range of pages from an existing PDF document into separate PDF document. 
-[Split PDF based on bookmarks](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitByBookmark) | Split a PDF document by sections using the bookmarks in PDF documnet.  
-[Find and split PDF](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/FindAndSplit) | Find a page with specific text and split it into a separate PDF document. 
-[Split PDF with specific number of pages](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitPDFWithMultiplePage) | Split a large PDF document into multiple PDF files with any number of pages. 
+[Split PDF document into multiple files](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitWholeDocument) | Split each page in a PDF document into individual PDF documents.
+[Split specific page into separate PDF file](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitParticularPage) | Split a particular page from an existing PDF document into a separate PDF document.
+[Split range of pages into separate PDF file](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitRange) | Split a range of pages from an existing PDF document into a separate PDF document.
+[Split PDF based on bookmarks](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitByBookmark) | Split a PDF document by sections using the bookmarks in a PDF document.
+[Find and split PDF](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/FindAndSplit) | Find a page with specific text and split it into a separate PDF document.
+[Split PDF by fixed number of pages](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/SplitByFixedNumber) | Split a PDF document every N pages into separate files.
+[Split PDF without losing accessibility tags](https://github.com/SyncfusionExamples/split-pdf-document-csharp/tree/master/ImportAccessibilityTags) | Split PDF files while preserving accessibility tags to maintain screen reader compatibility and document structure.
 
 # How to run the examples
 * Download this project to a location in your disk. 

diff --git a/SplitByBookmark/SplitByBookmark/Program.cs b/SplitByBookmark/SplitByBookmark/Program.cs
@@ -1,11 +1,7 @@
 using Syncfusion.Pdf;
 using Syncfusion.Pdf.Interactive;
 using Syncfusion.Pdf.Parsing;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace SplitByBookmark
 {
@@ -15,61 +11,42 @@ static void Main(string[] args)
         {
             //Load the PDF document
             PdfLoadedDocument loadedDocument = new PdfLoadedDocument("../../../../Data/PDF_Succinctly.pdf");
+
+            //Get the bookmarks from the PDF document
             PdfBookmarkBase bookmarks = loadedDocument.Bookmarks;
-            Dictionary<PdfPageBase, int> pages = new Dictionary<PdfPageBase, int>();
-            Dictionary<string, List<int>> splitRange = new Dictionary<string, List<int>>();
 
-            //iterate all the pages and its index
-            for (int i = 0; i < loadedDocument.Pages.Count; i++)
-            {
-                PdfPageBase page = loadedDocument.Pages[i] as PdfPageBase;
-                pages.Add(page, i);
-            }
+            //Create a dictionary to hold the pages and its index
+            Dictionary<string, int[]> splitRange = new Dictionary<string, int[]>();
 
             //Iterate all the bookmarks and it is page range
             for (int i = 0; i < bookmarks.Count; i++)
             {
-                if (bookmarks[i].Destination != null)
+                PdfLoadedBookmark bookmark = bookmarks[i] as PdfLoadedBookmark;
+                if (bookmark.Destination != null)
                 {
-                    PdfPageBase page = bookmarks[i].Destination.Page;
-                    if (pages.ContainsKey(page))
-                    {   
-                        //Bookmark doesn't have any child bookmark
-                        if (bookmarks[i].Count == 0)
-                        {
-                            int startIndex = pages[page];
-                            List<int> range = new List<int>();
-                            range.Add(startIndex);
-                            range.Add(startIndex);
-                            splitRange.Add(bookmarks[i].Title, range);
-                        }
-                        //Bookmark has child bookmark
-                        else
+                    int startIndex = bookmark.Destination.PageIndex;
+                    int endIndex = startIndex;
+
+                    // If bookmark has child bookmarks, set endIndex to the last child's page index
+                    if (bookmark.Count > 0)
+                    {
+                        foreach (PdfLoadedBookmark child in bookmark)
                         {
-                            int startIndex = pages[page];
-                            int endIndex = startIndex;
-                            List<int> range = new List<int>();
-                            foreach (PdfLoadedBookmark bookmark in bookmarks[i])
-                            {
-                                PdfPageBase innerPage = bookmark.Destination.Page;
-                                if (pages.ContainsKey(innerPage))
-                                {
-                                    endIndex = pages[innerPage];
-                                }
-                            }
-                            range.Add(startIndex);
-                            range.Add(endIndex);
-                            splitRange.Add(bookmarks[i].Title, range);
+                            if (child.Destination != null)
+                                endIndex = child.Destination.PageIndex;
                         }
                     }
+                    splitRange[bookmark.Title] = new[] { startIndex, endIndex };
                 }
             }
 
             //Split the PDF document based on the bookmark page range.
-            foreach (string title in splitRange.Keys)
+            foreach (var sRange in splitRange)
             {
-                int startIndex = splitRange[title][0];
-                int endIndex = splitRange[title][1];
+                string title = sRange.Key;
+                int startIndex = sRange.Value[0];
+                int endIndex = sRange.Value[1];
+
                 //Create a new PDF document.
                 PdfDocument document = new PdfDocument();
                 //Import the pages to the new PDF document.
@@ -80,7 +57,6 @@ static void Main(string[] args)
                 document.Close(true);
             }
             loadedDocument.Close(true);
-
         }
     }
 }
diff --git a/SplitByBookmark/SplitByBookmark/SplitByBookmark.csproj b/SplitByBookmark/SplitByBookmark/SplitByBookmark.csproj
@@ -32,14 +32,14 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Syncfusion.Compression.Base, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Compression.Base.27.1.53\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
+    <Reference Include="Syncfusion.Compression.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Compression.Base.30.1.42\lib\net462\Syncfusion.Compression.Base.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.Licensing, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Licensing.27.1.53\lib\net462\Syncfusion.Licensing.dll</HintPath>
+    <Reference Include="Syncfusion.Licensing, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=632609b4d040f6b4, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Licensing.30.1.42\lib\net462\Syncfusion.Licensing.dll</HintPath>
     </Reference>
-    <Reference Include="Syncfusion.Pdf.Base, Version=27.1462.53.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
-      <HintPath>..\packages\Syncfusion.Pdf.WinForms.27.1.53\lib\net462\Syncfusion.Pdf.Base.dll</HintPath>
+    <Reference Include="Syncfusion.Pdf.Base, Version=30.1462.42.0, Culture=neutral, PublicKeyToken=3d67ed1f87d44c89, processorArchitecture=MSIL">
+      <HintPath>..\packages\Syncfusion.Pdf.WinForms.30.1.42\lib\net462\Syncfusion.Pdf.Base.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />

diff --git a/SplitByBookmark/SplitByBookmark/packages.config b/SplitByBookmark/SplitByBookmark/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Syncfusion.Compression.Base" version="27.1.53" targetFramework="net462" />
-  <package id="Syncfusion.Licensing" version="27.1.53" targetFramework="net462" />
-  <package id="Syncfusion.Pdf.WinForms" version="27.1.53" targetFramework="net462" />
+  <package id="Syncfusion.Compression.Base" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Licensing" version="30.1.42" targetFramework="net462" />
+  <package id="Syncfusion.Pdf.WinForms" version="30.1.42" targetFramework="net462" />
 </packages>