using System;
using System.Diagnostics;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            const string path = @"\\192.168.0.10\验证文件\验证.txt";
            var timeStart = DateTime.Now;
            try
            {
                Process.Start(path);
            }
            catch (Exception ex)
            {
                var time = DateTime.Now - timeStart;
                Console.WriteLine(ex + "\r\n总耗时：" + time.Seconds + "秒");
            }
            Console.ReadKey();
        }
    }
}

using System;
using System.Diagnostics;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            const string path = @"\\192.168.0.10\验证文件";
            string message;
            var timeStart = DateTime.Now;
            using (var process = new Process
            {
                StartInfo =
                {
                    FileName = "cmd.exe",
                    UseShellExecute = false,
                    RedirectStandardInput = true,
                    RedirectStandardOutput = true,
                    CreateNoWindow = true,
                    RedirectStandardError = true
                }
            })
            {
                process.Start();
                process.StandardInput.AutoFlush = true;
                process.StandardInput.WriteLine(@"net use " + path);
                process.StandardInput.WriteLine("exit");
                errorMessage = process.StandardError.ReadToEnd();
                process.WaitForExit();
                if (string.IsNullOrEmpty(errorMessage))
                {
                    var timespan = DateTime.Now - timeStart;
                    Console.WriteLine(@"权限不足：" + path + "\r\n" + message +
                    "\r\n总耗时：" + timespan.Milliseconds + "毫秒！");
                }
            }
            Console.ReadKey();
        }
    }
}