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using System;
using System.Diagnostics;
using System.IO;
using OpenCover.Framework;
using OpenCover.ReportGenerator;

class Program
{
    static void Main(string[] args)
    {
        // Set the path to the OpenCover executable
        string openCoverPath = "C:\\OpenCover\\OpenCover.Console.exe";

        // Set the path to the target assembly to be instrumented
        string targetAssemblyPath = "C:\\MyApp\\MyApp.exe";

        // Set the path to the output file
        string outputFile = "C:\\MyApp\\MyAppCoverage.xml";

        // Set the path to the report generator executable
        string reportGeneratorPath = "C:\\ReportGenerator\\ReportGenerator.exe";

        // Set the path to the output directory for the HTML report
        string outputDirectory = "C:\\MyApp\\CoverageReport";

        // Set the command line arguments for OpenCover
        string arguments = $"-register -target:\"{targetAssemblyPath}\" -output:\"{outputFile}\"";

        // Start the OpenCover process
        ProcessStartInfo startInfo = new ProcessStartInfo(openCoverPath, arguments);
        startInfo.UseShellExecute = false;
        startInfo.RedirectStandardOutput = true;

        using (Process process = Process.Start(startInfo))
        {
            // Wait for the process to exit
            process.WaitForExit();
        }

        // Generate the HTML report
        CoverageReportConfiguration config = new CoverageReportConfiguration();
        config.ReportTypes = new[] { "Html" };
        config.SourceDirectories = new[] { Path.GetDirectoryName(targetAssemblyPath) };
        config.TargetDirectory = outputDirectory;
        config.OpenHtmlReport = true;
        ReportGenerator generator = new ReportGenerator(config);
        generator.GenerateReport(outputFile);

        // Extract the coverage information from the report
        CoverageSummary summary = CoverageSummary.FromXmlFile(Path.Combine(outputDirectory, "Summary.xml"));
        double totalCoverage = summary.CoveredPercent;

        // Output the total coverage percentage
        Console.WriteLine($"Total coverage: {totalCoverage}%");
    }
}