DumpFiles.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Windows.Forms;

namespace wcclitedumper
{
    class Program
    {
        public const string wccpath = "D:\\Witcher 3 Mod Tools\\bin\\x64\\wcc_lite.exe";
        public static string dumpfolder = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\Dump\\";

        [STAThread]
        static void Main(string[] args)
        {
            Console.Title = "wcc_lite CR2W Dumper";
            using(var of = new FolderBrowserDialog())
            //using (var of = new OpenFileDialog())
            {
                if (of.ShowDialog() == DialogResult.OK)
                {
                    //of.Multiselect = true;
                    foreach (var file in Directory.GetFiles(of.SelectedPath,"*.*",SearchOption.AllDirectories))
                    //foreach (var file in of.SafeFileNames)
                    {
                        Console.WriteLine();
                        Console.WriteLine();
                        Console.WriteLine("-- Dumping: " + file);
                        var proc = new Process();
                        Directory.CreateDirectory(dumpfolder);
                        proc.StartInfo = new ProcessStartInfo(wccpath,BuildCommand(file, dumpfolder));
                        Console.WriteLine("\tArguments: " + proc.StartInfo.Arguments);
                        Console.WriteLine();
                        Console.WriteLine("---------<wcc_lite log>--------------");
                        proc.StartInfo.WorkingDirectory = Path.GetDirectoryName(wccpath);
                        proc.StartInfo.CreateNoWindow = true;
                        proc.StartInfo.UseShellExecute = false;
                        proc.StartInfo.RedirectStandardOutput = true;
                        proc.StartInfo.RedirectStandardError = true;
                        proc.Start();
                        proc.BeginOutputReadLine();
                        proc.BeginErrorReadLine();
                        proc.ErrorDataReceived += Recieved;
                        proc.OutputDataReceived += Recieved;
                        proc.WaitForExit();
                        Console.WriteLine("---------</wcc_lite log>-------------");
                    }
                }
            }
            Console.WriteLine("Done!");
            Console.ReadLine();
        }

        public static void Recieved(object sender,DataReceivedEventArgs rec)
        {
            if(rec?.Data != null)
                Console.WriteLine(rec.Data);
        }

        public static string BuildCommand(string infile, string outfile)
        {
            return $"dumpfile -file={infile} -out={outfile}";
        }
    }
}