Executando um processo C# :: Code Snippet

Utilizar a System.Diagnostics e System.Security.

Process p;
Process[] processos;
processos = Process.GetProcessesByName("calc");

if (processos.Length == 0)
{
    p = new Process();
    ProcessStartInfo info = new ProcessStartInfo();
    //para executar o processo com um usuario e senha
    //info.UserName = "user";
    //info.Password = SecureString("pass");
    //info.UseShellExecute = false;
    info.FileName = "calc";
    p.StartInfo = info;
    p.Start();
}

protected SecureString SecureString(string pass)
{
    SecureString ss = new SecureString();
    foreach (char c in pass)
    {
        ss.AppendChar(c);
    }
    return ss;
}