Sample to modify the existing equation using LaTeX in a Word document

Author: sneha.biju

Mathematical-Equation/LaTeX-equations/Modify-equation-using-LaTeX/.NET Standard/Modify-equation-using-LaTeX.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34322.80
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Modify-equation-using-LaTeX", "Modify-equation-using-LaTeX\Modify-equation-using-LaTeX.csproj", "{BA52BFB0-4D93-403A-A91C-83DE160B6D29}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BA52BFB0-4D93-403A-A91C-83DE160B6D29}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BA52BFB0-4D93-403A-A91C-83DE160B6D29}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BA52BFB0-4D93-403A-A91C-83DE160B6D29}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BA52BFB0-4D93-403A-A91C-83DE160B6D29}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E206BA58-F65C-40BB-985F-ADF3F38061CF}
+	EndGlobalSection
+EndGlobal

Mathematical-Equation/LaTeX-equations/Modify-equation-using-LaTeX/.NET Standard/Modify-equation-using-LaTeX/Input.docx

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <RootNamespace>Modify_equation_using_LaTeX</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.DocIO.Net.Core" Version="*" />
+  </ItemGroup>
+
+</Project>

Mathematical-Equation/LaTeX-equations/Modify-equation-using-LaTeX/.NET Standard/Modify-equation-using-LaTeX/Modify-equation-using-LaTeX.csproj

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+using Syncfusion.DocIO;
+using Syncfusion.DocIO.DLS;
+
+//Open a Word document using File stream.
+using (FileStream inputStream = new FileStream("../../../Input.docx", FileMode.Open, FileAccess.Read))
+{
+    // OPen the existing Word document.
+    using (WordDocument document = new WordDocument())
+    {
+        // Access the first paragraph from the last section of the document
+        WParagraph paragraph = document.LastSection.Body.ChildEntities[2] as WParagraph;
+
+        // Retrieve the first math equation in the paragraph, if it exists
+        WMath math = paragraph.ChildEntities[0] as WMath;
+        if (math != null)
+        {
+            // Get the LaTeX representation of the math equation
+            string laTeX = math.MathParagraph.LaTeX;
+            // Replace occurrences of 'a' with 's' in the LaTeX representation
+            laTeX = laTeX.Replace("x", "k");
+            //Modify the LaTeX string
+            math.MathParagraph.LaTeX = laTeX;
+        }
+        using (FileStream outputStream = new FileStream(@"../../../Result.docx", FileMode.Create, FileAccess.Write))
+        {
+            document.Save(outputStream, FormatType.Docx);
+        }
+    }
+}