本地：
    string path = “本地目录路径”;
    if (System.IO.Directory.Exists(path))
    {
    System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo()
    {
    FileName = path,
    UseShellExecute = true,
    Verb = “open”
    });
    }

    FTP：
    string path = string.Format(“ftp://{0}:{1}@{2}”, ftpUserName,ftpPassword, IpAddress);
    System.Diagnostics.Process.Start(“explorer.exe”, path);
    //禁用打开按钮
    System.Threading.ThreadPool.QueueUserWorkItem((Object obj) =>
    {
    System.Threading.Thread.Sleep(3000);
    //启用打开按钮
    });