997935 - Add DocIO Sample for Find nested bookmarks in Word document.

Bookmarks/Find-nested-bookmark-in-Word-document/.NET/Find-nested-bookmark-in-Word-document.slnx

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+<Solution>
+  <Project Path="Find-nested-bookmark-in-Word-document/Find-nested-bookmark-in-Word-document.csproj" />
+</Solution>

Bookmarks/Find-nested-bookmark-in-Word-document/.NET/Find-nested-bookmark-in-Word-document/Find-nested-bookmark-in-Word-document.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Find_nested_bookmark_in_Word_document</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="Data\Template.docx">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Bookmarks/Find-nested-bookmark-in-Word-document/.NET/Find-nested-bookmark-in-Word-document/Program.cs

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+using Syncfusion.DocIO.DLS;
+
+namespace Find_nested_bookmark_in_Word_document
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            // Load the existing Word document.
+            WordDocument document = new WordDocument(Path.GetFullPath(@"Data/Template.docx"));
+            //Iterate through the bookmark collection
+            foreach (Bookmark bookmark in document.Bookmarks)
+            {
+                // Create a collection to store nested bookmarks
+                List<string> nestedBookmarks = new List<string>();
+                // Create a BookmarksNavigator for the current bookmark
+                BookmarksNavigator bookmarksNavigator = new BookmarksNavigator(document);
+                {
+                    // Move navigator to the current bookmark
+                    bookmarksNavigator.MoveToBookmark(bookmark.Name);
+                    // Retrieve the bookmark content as a WordDocument
+                    using (WordDocument content = bookmarksNavigator.GetContent().GetAsWordDocument())
+                    {
+                        // Remove headers and footers from the extracted document
+                        RemoveHeaderFooter(content);
+                        // Iterate through bookmarks in the extracted document
+                        foreach (Bookmark bm in content.Bookmarks)
+                        {
+                            // Exclude the parent itself if names are identical
+                            if (!bm.Name.Equals(bookmark.Name))
+                                nestedBookmarks.Add(bm.Name);
+                        }
+                    }
+                    // Print the parent bookmark and its nested bookmarks
+                    Console.WriteLine("Parent Bookmark: " + bookmark.Name);
+                    foreach (string name in nestedBookmarks)
+                        Console.WriteLine("Nested Bookmark: " + name);
+                    Console.WriteLine("************************");
+                }
+            }
+            Console.ReadLine();
+        }
+        /// <summary>
+        /// Removes all headers and footers from every section in the specified Word document.
+        /// </summary>
+        /// <param name="doc">The WordDocument instance to process and clear headers and footers.</param>
+        /// <remarks>
+        /// This method iterates through each section of the document and clears 
+        /// the child entities of all header and footer types (first page, odd, even). 
+        /// After clearing, it adds an empty paragraph to each header and footer 
+        /// to preserve the document’s structure.
+        /// </remarks>
+        private static void RemoveHeaderFooter(WordDocument doc)
+        {
+            //Iterate and Remove the Header / footer
+            foreach (WSection section in doc.Sections)
+            {
+                // Remove the first page header and footer
+                section.HeadersFooters.FirstPageHeader.ChildEntities.Clear();
+                section.HeadersFooters.FirstPageHeader.AddParagraph();
+                section.HeadersFooters.FirstPageFooter.ChildEntities.Clear();
+                section.HeadersFooters.FirstPageFooter.AddParagraph();
+
+                // Remove the odd page header and footer
+                section.HeadersFooters.OddHeader.ChildEntities.Clear();
+                section.HeadersFooters.OddHeader.AddParagraph();
+                section.HeadersFooters.OddFooter.ChildEntities.Clear();
+                section.HeadersFooters.OddFooter.AddParagraph();
+
+                // Remove the even page header and footer
+                section.HeadersFooters.EvenHeader.ChildEntities.Clear();
+                section.HeadersFooters.EvenHeader.AddParagraph();
+                section.HeadersFooters.EvenFooter.ChildEntities.Clear();
+                section.HeadersFooters.EvenFooter.AddParagraph();
+            }
+        }
+    }
+}