Render LaTeX (TeX) File to PNG Image Format. The explanation of this code can be found in this topic: https://kb.aspose.com/tex/net/how-to-render-latex-to-png-in-c-sharp/.

Render LaTeX (TeX) File to PNG Image Format.cs

using System;
using System.IO;
//Add reference to Aspose.TeX for .NET API
//Use following namespaces to render Latex file to PNG format
using Aspose.TeX;
using Aspose.TeX.IO;
using Aspose.TeX.Presentation.Image;

namespace RenderLatexToPNG
{
    class Program
    {
        static void Main(string[] args)
        {
            //Set Aspose license before rendering latex file to PNG format
            Aspose.TeX.License AsposeTeXLicense = new Aspose.TeX.License();
            AsposeTeXLicense.SetLicense(@"c:\asposelicense\license.lic");
            
            //Create TeXOptions object with ObjectTex config settings
            TeXOptions TeXFormatOptions = TeXOptions.ConsoleAppOptions(TeXConfig.ObjectTeX());
            //Set input and output working directory
            TeXFormatOptions.InputWorkingDirectory = new InputFileSystemDirectory(@"c:\samples");
            TeXFormatOptions.OutputWorkingDirectory = new OutputFileSystemDirectory(@"c:\samples");
            //Set output terminal option to file terminal to save to a file
            TeXFormatOptions.TerminalOut = new OutputFileTerminal(TeXFormatOptions.OutputWorkingDirectory);
            
            //PNG save options 
            PngSaveOptions pngSaveOptions = new PngSaveOptions();
            pngSaveOptions.Resolution = 300;
            TeXFormatOptions.SaveOptions = pngSaveOptions;
           
            //Create an ImageDevice object
            ImageDevice imageDevice = new ImageDevice();

            //Run typesetting.
            TeX.Typeset("customtex", imageDevice, TeXFormatOptions);

        }
    }
}