C#

"Unable to cast object of type 'System.Int32' to type 'System.Byte[]'.<br />

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CodingLover

string sEncoded = Convert.ToBase64String(aBytes);

List

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            List<Process> list = new List<Process>();
            string input="";

            Console.WriteLine("Enter path to a program to start it.");
            while (true)
            {
                input = Console.ReadLine();
                if (input == "exit")
                    break;
                try
                {
                    list.Add(Process.Start(input));
                }
                catch
                {
                    Console.WriteLine("Failed to start " + input);
                }
            }
            foreach (Process process in list)
            {
                if (!process.HasExited)
                    process.Kill();
            }
        }
    }
}

System.Diagnostics.Process.GetProcesses();

{

            Process[] processes = Process.GetProcessesByName("notepad");
            
            foreach (Process process in processes)
            {
                process.Kill();
            }

        }

Process[] processlist = Process.GetProcessesByName("Notepad");

foreach (Process theprocess in processlist)
{
theprocess.CloseMainWindow();
}