Added sample for Change the text color of existing styles in a word document

Author: VijayadharshiniMathiyalagan

Paragraphs/Change-text-color-of-styles/Change-text-color-of-styles.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35309.182
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Change-text-color-of-styles", "Change-text-color-of-styles\Change-text-color-of-styles.csproj", "{F727F5FB-8626-4542-A59D-703BD3937FA3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F727F5FB-8626-4542-A59D-703BD3937FA3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F727F5FB-8626-4542-A59D-703BD3937FA3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F727F5FB-8626-4542-A59D-703BD3937FA3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F727F5FB-8626-4542-A59D-703BD3937FA3}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {AEF532D2-87BC-4F0A-A194-F26F62F1CA5B}
+	EndGlobalSection
+EndGlobal

Paragraphs/Change-text-color-of-styles/Change-text-color-of-styles/Change-text-color-of-styles.csproj

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

Paragraphs/Change-text-color-of-styles/Change-text-color-of-styles/Data/Template.docx

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+

Paragraphs/Change-text-color-of-styles/Change-text-color-of-styles/Output/.gitkeep

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+// Load the existing Word document
+using Syncfusion.DocIO.DLS;
+using Syncfusion.DocIO;
+using Syncfusion.Drawing;
+
+using (FileStream inputStream = new FileStream(Path.GetFullPath("Data/Template.docx"), FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+{
+    // Open the Word document
+    WordDocument document = new WordDocument(inputStream, FormatType.Docx);
+
+    // Define the new color to apply to the styles
+    Color newColor = Color.Purple;
+
+    // Iterate through all the styles in the document
+    foreach (Style style in document.Styles)
+    {
+        // Check if the style is a Paragraph style
+        if (style.StyleType == StyleType.ParagraphStyle)
+        {
+            // Cast the style to WParagraphStyle and modify the text color
+            WParagraphStyle paraStyle = style as WParagraphStyle;
+            if (paraStyle != null)
+            {
+                paraStyle.CharacterFormat.TextColor = Color.Purple;
+            }
+        }
+        // Check if the style is a Character style
+        else if (style.StyleType == StyleType.CharacterStyle)
+        {
+            // Cast the style to WCharacterStyle and modify the text color
+            WCharacterStyle charStyle = style as WCharacterStyle;
+            if (charStyle != null)
+            {
+                charStyle.CharacterFormat.TextColor = Color.Green;
+            }
+        }
+    }
+
+    // Save the modified document
+    using (FileStream outputStream = new FileStream(Path.GetFullPath("Output/Result.docx"), FileMode.Create, FileAccess.Write))
+    {
+        document.Save(outputStream, FormatType.Docx);
+    }
+
+    // Close the document
+    document.Close();
+}