263424-How to import headers and footers from another Word document

Sections/Import-Headers-and-Footers-from-Another-WordDocument/.NET/Import-Headers-and-Footers-from-Another-WordDocument/Import_Headers_and_Footers_from_Another_WordDocument.csproj

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

Sections/Import-Headers-and-Footers-from-Another-WordDocument/.NET/Import-Headers-and-Footers-from-Another-WordDocument/Output/gitkeep.txt

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+

Sections/Import-Headers-and-Footers-from-Another-WordDocument/.NET/Import-Headers-and-Footers-from-Another-WordDocument/Program.cs

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+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+
+namespace Import_Headers_and_Footers_from_Another_WordDocument
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            using (FileStream sourceStreamPath = new FileStream(Path.GetFullPath("Data/SourceDocument.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            {
+                using (FileStream destinationStreamPath = new FileStream(Path.GetFullPath("Data/DestinationDocument.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+                {
+                    //Opens an source document from file system through constructor of WordDocument class
+                    using (WordDocument document = new WordDocument(sourceStreamPath, FormatType.Automatic))
+                    {
+                        //Opens the destination document 
+                        using (WordDocument destinationDocument = new WordDocument(destinationStreamPath, FormatType.Docx))
+                        {
+
+                            WSection section = document.Sections[0] as WSection;
+                            //Move all the items from one collection to another collection
+                            for (int i = 0; i < destinationDocument.Sections.Count; i++)
+                            {
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.EvenHeader.ChildEntities, section.HeadersFooters.Header.ChildEntities);
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.EvenFooter.ChildEntities, section.HeadersFooters.Footer.ChildEntities);
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.OddHeader.ChildEntities, section.HeadersFooters.Header.ChildEntities);
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.OddFooter.ChildEntities, section.HeadersFooters.Footer.ChildEntities);
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.FirstPageHeader.ChildEntities, section.HeadersFooters.Header.ChildEntities);
+                                MoveItems(destinationDocument.Sections[i].HeadersFooters.FirstPageFooter.ChildEntities, section.HeadersFooters.Footer.ChildEntities);
+                                destinationDocument.Sections[i].PageSetup.DifferentOddAndEvenPages = section.PageSetup.DifferentOddAndEvenPages;
+                                destinationDocument.Sections[i].PageSetup.DifferentFirstPage = section.PageSetup.DifferentFirstPage;
+                            }
+                            using (FileStream outputStream = new FileStream(Path.GetFullPath("Output/Result.docx"), FileMode.Create))
+                            {
+                                destinationDocument.Save(outputStream, FormatType.Docx);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        /// <summary>
+        /// Move all the items from one collection to another collection.
+        /// </summary>
+        /// <param name="childEntities1"></param>
+        /// <param name="childEntities2"></param>
+        private static void MoveItems(EntityCollection childEntities1, EntityCollection childEntities2)
+        {
+            for (int i = 0; i < childEntities2.Count; i++)
+                childEntities1.Add(childEntities2[i].Clone());
+        }
+    }
+    }
+

Sections/Import-Headers-and-Footers-from-Another-WordDocument/.NET/Import_Headers_and_Footers_from_Another_WordDocument.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.37216.2 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Import_Headers_and_Footers_from_Another_WordDocument", "Import-Headers-and-Footers-from-Another-WordDocument\Import_Headers_and_Footers_from_Another_WordDocument.csproj", "{578DCB93-2F8F-DBAB-C1CE-AB9532F653E6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{578DCB93-2F8F-DBAB-C1CE-AB9532F653E6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{578DCB93-2F8F-DBAB-C1CE-AB9532F653E6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{578DCB93-2F8F-DBAB-C1CE-AB9532F653E6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{578DCB93-2F8F-DBAB-C1CE-AB9532F653E6}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {62F21DF8-8D09-4911-83B2-3A4008C795A3}
+	EndGlobalSection
+EndGlobal