Doing something with an external exe

Program

using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;

namespace ConsoleApplication
{
    class Program
    {
        static void Main(string[] args)
        {
            var folder = new DirectoryInfo(args[0].ToString());

            Parallel.ForEach(folder.EnumerateFiles(), DoSomething);
        }

        static void DoSomething(FileInfo file)
        {
            var proc = new Process {StartInfo =
                                        {
                                            FileName = "something.exe", 
                                            Arguments = file.Name.ToString()
                                        }};
            proc.Start();
            proc.WaitForExit();
            proc.ExitCode;
            proc.Close();
        }
    }
}