Added sample

Author: Karan-SF4772

Word-document/Insert-PageBreak-Before-Heading-Paragraphs/.NET/Insert-PageBreak-Before-Heading-Paragraphs.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36518.9 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Insert-PageBreak-Before-Heading-Paragraphs", "Insert-PageBreak-Before-Heading-Paragraphs\Insert-PageBreak-Before-Heading-Paragraphs.csproj", "{739A7FFC-EC2E-4483-97D1-AB32A6EA775F}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{739A7FFC-EC2E-4483-97D1-AB32A6EA775F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{739A7FFC-EC2E-4483-97D1-AB32A6EA775F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{739A7FFC-EC2E-4483-97D1-AB32A6EA775F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{739A7FFC-EC2E-4483-97D1-AB32A6EA775F}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B7C6B523-03D5-4B12-9AEE-636BD9C3E7E4}
+	EndGlobalSection
+EndGlobal

Word-document/Insert-PageBreak-Before-Heading-Paragraphs/.NET/Insert-PageBreak-Before-Heading-Paragraphs/Data/Input.docx

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

Word-document/Insert-PageBreak-Before-Heading-Paragraphs/.NET/Insert-PageBreak-Before-Heading-Paragraphs/Insert-PageBreak-Before-Heading-Paragraphs.csproj

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+

Word-document/Insert-PageBreak-Before-Heading-Paragraphs/.NET/Insert-PageBreak-Before-Heading-Paragraphs/Output/.gitkeep

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+using Syncfusion.DocIO.DLS;
+
+namespace Insert_PageBreak_Before_Heading_Paragraphs
+{
+    class Program
+    {
+        public static void Main(string[] args)
+        {
+            // Load the existing Word document
+            WordDocument document = new WordDocument(Path.GetFullPath("Data/Input.docx"));
+            // Find all paragraphs with the style "Heading 1"
+            List<Entity> entities = document.FindAllItemsByProperty(EntityType.Paragraph, "StyleName", "Heading 1");
+
+            if (entities == null)
+                Console.WriteLine("No paragraphs with the style 'Heading 1' found.");
+            foreach (Entity entity in entities)
+            {
+                // Check if the entity is a paragraph
+                WParagraph paragraph = entity as WParagraph;
+                // Get the index of the current paragraph in its parent text body
+                int index = paragraph.OwnerTextBody.ChildEntities.IndexOf(paragraph);
+                // Continue only if there is a previous entity
+                if (index > 0)
+                {
+                    // Get the previous entity and cast it to a paragraph
+                    WParagraph previousParagraph = paragraph.OwnerTextBody.ChildEntities[index - 1] as WParagraph;
+                    bool hasPageBreak = false;
+                    // Check if the previous paragraph ends with a page break
+                    if (previousParagraph != null && previousParagraph.ChildEntities.Count > 0)
+                    {
+                        // Get the last item in the previous paragraph
+                        ParagraphItem lastItem = previousParagraph.ChildEntities[previousParagraph.ChildEntities.Count - 1] as ParagraphItem;
+                        // Enable the boolean if the last item is a page break
+                        if (lastItem != null && lastItem is Break && (lastItem as Break).BreakType == BreakType.PageBreak)
+                            hasPageBreak = true;
+                    }
+                    // If no page break is found, insert the page break before the current paragraph
+                    if (!hasPageBreak)
+                    {
+                        WParagraph newPara = new WParagraph(document);
+                        newPara.AppendBreak(BreakType.PageBreak);
+                        // Insert the new paragraph with page break at the correct position
+                        paragraph.OwnerTextBody.ChildEntities.Insert(index, newPara);
+                    }
+                }
+            }
+            document.Save(Path.GetFullPath("../../../Output/Output.docx"));
+            document.Close();
+        }
+    }
+}