该StreamReader的锁定，而它的文本文件阅读。 我可以强制的StreamReader在只读或非锁定模式下工作？

我的解决方法是将文件复制到一个临时位置，并从那里读取它，但我会preFER如果可能的话直接使用的StreamReader。 任何替代suggetions？

背景： 我写了一个小的应用程序得到一些统计出来的日志文件中。该文件不断被由外部程序更新（几次），让通话AAXXYY。

回顾输出表明我的应用程序可以从写锁定的文件和preventing AAXXYY。

这是我在做什么。

 私人无效btnGetStats_Click（对象发件人，EventArgs的）
    {
        INT countStarts = 0;
        INT countEnds = 0;

        IList的＆LT;字符串＆GT;会议=新的名单，其中，串＆GT;（）;

        使用（StreamReader的stRead =新的StreamReader（openFileDialog1.FileName，Encoding.Uni code））
        {
            而（！stRead.EndOfStream）
            {
                串线= stRead.ReadLine（）;
                如果（line.Contains（会话启动））
                {
                    countStarts ++;
                    sessions.Add（line.Substring（line.IndexOf（[），line.LastIndexOf（]） -  line.IndexOf（[）））;
                }
                如果（line.Contains（会议结束））
                {
                    countEnds ++;
                    sessions.Remove（line.Substring（line.IndexOf（[），line.LastIndexOf（]） -  line.IndexOf（[）））;
                }
            }
        }

        txtStarts.Text = countStarts.ToString（）;
        txtEnds.Text = countEnds.ToString（）;
        txtDifference.Text =（countStarts  -  countEnds）的ToString（）;

        listBox1.DataSource =会议;
    }
 

解决方案

您可以通过一个FileStream的StreamReader的，并创建正确的文件共享价值的FileStream。例如：

 使用（var文件=新的FileStream（openFileDialog1.FileName，FileMode.Open，FileAccess.Read，FileShare.ReadWrite））
使用（VAR读卡器=新的StreamReader（文件，Encoding.Uni code））{
}
 

The StreamReader locks a text file whilst it is reading it. Can I force the StreamReader to work in a "read-only" or "non locking" mode?

My workaround would be to copy the file to a temp location and read it from there but I would prefer to use the StreamReader directly if possible. Any alternative suggetions?

Background: I've written a small app to get some stats out of a log file. This file is constantly being updating (several times a second) by an outside program lets call AAXXYY.

Reviewing the output suggests that my app may be locking the file and preventing AAXXYY from writing.

This is what I'm doing

    private void btnGetStats_Click(object sender, EventArgs e)
    {
        int countStarts = 0;
        int countEnds = 0;

        IList<string> sessions = new List<string>();

        using(StreamReader stRead = new StreamReader(openFileDialog1.FileName,Encoding.Unicode))
        {
            while(!stRead.EndOfStream)
            {
                string line = stRead.ReadLine();
                if(line.Contains("Session start"))
                {
                    countStarts++;
                    sessions.Add(line.Substring(line.IndexOf("["), line.LastIndexOf("]") - line.IndexOf("[")));
                }
                if (line.Contains("Session end"))
                {
                    countEnds++;
                    sessions.Remove(line.Substring(line.IndexOf("["), line.LastIndexOf("]") - line.IndexOf("[")));
                }
            }
        }

        txtStarts.Text = countStarts.ToString();
        txtEnds.Text = countEnds.ToString();
        txtDifference.Text = (countStarts - countEnds).ToString();

        listBox1.DataSource = sessions;
    }

You can pass a FileStream to the StreamReader, and create the FileStream with the proper FileShare value. For instance:

using (var file = new FileStream (openFileDialog1.FileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (var reader = new StreamReader (file, Encoding.Unicode)) {
}