public void Start()
       {
            try
            {
                Process process = new Process();
                process.StartInfo.FileName = "path of wget.exe";
                process.StartInfo.Arguments = "wget -r -c -np --retry-connrefused --tries=0 http://url/folder1 -P E:\Images --cut-dirs=2 -nH -A j2k -o E:\Images\error.log";
                process.EnableRaisingEvents = false;
                process.StartInfo.UseShellExecute = false;
                process.StartInfo.RedirectStandardError = true;
                process.StartInfo.WindowStyle = ProcessWindowStyle.Hide;
                process.ErrorDataReceived += new DataReceivedEventHandler(ProcessErrorDataRecieved);
                process.Start()
                process.BeginErrorReadLine();
                process.WaitForExit();
            }
            catch (Exception ex)
            {
                /////
            }
        }
        private void ProcessErrorDataRecieved(object sender, DataReceivedEventArgs e)
        {
            MessageBox.Show(e.Data);

        }