ES-921363- Add the sample Add-watermark-specificpage

Watermark/Add-watermark-specificpage/.NET/Add-watermark-specificpage.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.11.35327.3
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Add-watermark-specificpage", "Add-watermark-specificpage\Add-watermark-specificpage.csproj", "{173D87B9-539B-4097-B2E6-701EFC312169}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{173D87B9-539B-4097-B2E6-701EFC312169}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{173D87B9-539B-4097-B2E6-701EFC312169}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{173D87B9-539B-4097-B2E6-701EFC312169}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{173D87B9-539B-4097-B2E6-701EFC312169}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {67220009-FE1E-4A42-9C12-260CD1A3A33F}
+	EndGlobalSection
+EndGlobal

Watermark/Add-watermark-specificpage/.NET/Add-watermark-specificpage/Add-watermark-specificpage.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>Add_watermark_specificpage</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>
+    <None Update="Output\.gitkeep">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Watermark/Add-watermark-specificpage/.NET/Add-watermark-specificpage/Output/.gitkeep

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+

Watermark/Add-watermark-specificpage/.NET/Add-watermark-specificpage/Program.cs

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+using Syncfusion.DocIO.DLS;
+using Syncfusion.DocIO;
+using Syncfusion.Drawing;
+
+namespace Add_watermark_specificpage
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            // Open the Word document file for reading
+            using (FileStream docStream = new FileStream(Path.GetFullPath(@"Data/Template.docx"), FileMode.Open, FileAccess.Read))
+            {
+                // Load the document into the WordDocument object
+                using (WordDocument document = new WordDocument(docStream, FormatType.Docx))
+                {
+                    // Retrieve all sections in the document
+                    List<Entity> sections = document.FindAllItemsByProperty(EntityType.Section, null, null);
+
+                    // Add "Syncfusion" watermark to the first section
+                    AddWatermarkToPage(sections[0] as WSection, "Adventures");
+
+                    // Add "Draft" watermark to the second section
+                    AddWatermarkToPage(sections[1] as WSection, "Pandas");
+
+                    // Save the modified document to a new file
+                    using (FileStream docStream1 = new FileStream(Path.GetFullPath(@"Output/Result.docx"), FileMode.Create, FileAccess.Write))
+                    {
+                        document.Save(docStream1, FormatType.Docx);
+                    }
+                }
+            }
+        }
+
+        // Method to add a watermark in the document
+        static void AddWatermarkToPage(IWSection section, string watermarkText)
+        {
+            // Access the body of the specified section
+            WTextBody textBody = section.Body;
+            // Adds a block content control (RichText) to the section
+            BlockContentControl blockContentControl = textBody.AddBlockContentControl(ContentControlType.RichText) as BlockContentControl;
+
+            // Adds a new paragraph inside the block content control
+            WParagraph paragraph = blockContentControl.TextBody.AddParagraph() as WParagraph;
+            // Create a  text box to hold the watermark text
+            WTextBox watermarkTextBox = paragraph.AppendTextBox(494, 164) as WTextBox;
+            // Center-align the text box horizontally
+            watermarkTextBox.TextBoxFormat.HorizontalAlignment = ShapeHorizontalAlignment.Center;
+            // Center-align the text box vertically
+            watermarkTextBox.TextBoxFormat.VerticalAlignment = ShapeVerticalAlignment.Center;
+            // Remove the border line of the text box
+            watermarkTextBox.TextBoxFormat.NoLine = true;
+            // Set rotation angle for the watermark text box
+            watermarkTextBox.TextBoxFormat.Rotation = 315;
+            // Allow overlapping of the text box with other elements
+            watermarkTextBox.TextBoxFormat.AllowOverlap = true;
+            // Align the text box relative to the page margins
+            watermarkTextBox.TextBoxFormat.HorizontalOrigin = HorizontalOrigin.Margin;
+            watermarkTextBox.TextBoxFormat.VerticalOrigin = VerticalOrigin.Margin;
+            // Set text wrapping style to behind, so the watermark does not interfere with content
+            watermarkTextBox.TextBoxFormat.TextWrappingStyle = TextWrappingStyle.Behind;
+
+            // Add another paragraph inside the text box to contain the watermark text
+            IWParagraph watermarkParagraph = watermarkTextBox.TextBoxBody.AddParagraph();
+            // Append the watermark text to the paragraph and set the font size and color
+            IWTextRange textRange = watermarkParagraph.AppendText(watermarkText);
+            // Set a large font size for the watermark text
+            textRange.CharacterFormat.FontSize = 100;
+            // Set a light gray color for the watermark text
+            textRange.CharacterFormat.TextColor = Color.FromArgb(255, 192, 192, 192);
+        }
+    }
+}