C# 读取另一个进程正在使用的日志文件
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Read log file being used by another process
提问by toosweetnitemare
Goal
目标
I want to press a button on my GUI and read in the seclog.log file (symantec AV log) from a remote machine and display the contents of the log to a rich text box in my application.
我想在我的 GUI 上按下一个按钮并从远程机器读入 seclog.log 文件（symantec AV 日志）并将日志的内容显示到我的应用程序中的富文本框中。
Things That Work
有用的东西
everything but reading the log file
除了读取日志文件之外的所有内容
Error Message
错误信息
System.IO.IOException was unhandled
Message=The process cannot access the file '\HOSTNAME\C$\Program Files (x86)\Symantec\Symantec Endpoint Protection\seclog.log' because it is being used by another process.
Source=mscorlib
code
代码
//possible seclog paths
String seclogPath1 = @"\\" + target + "\C$\Program Files (x86)\Symantec\Symantec Endpoint Protection\seclog.log";
String seclogPath2 = @"\\" + target + "\C$\Program Files\Symantec\Symantec Endpoint Protection\seclog.log";
//if seclog exists
if (File.Exists(seclogPath1))
{
//output.AppendText("file exists at " + seclogPath1);
//var seclogContent = File.Open(seclogPath1, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Stream stream = File.OpenRead(seclogPath1);
StreamReader streamReader = new StreamReader(stream);
string str = streamReader.ReadToEnd();
output.AppendText(str);
streamReader.Close();
stream.Close();
}
Things I've Tried
我尝试过的事情
File is being used by another process
C# The process cannot access the file ''' because it is being used by another process
Googling the issue
谷歌搜索问题
using filestreams in multiple ways
以多种方式使用文件流
采纳答案by toosweetnitemare
//possible seclog paths
String seclogPath1 = @"\\" + target + "\C$\Program Files (x86)\Symantec\Symantec Endpoint Protection\seclog.log";
String seclogPath2 = @"\\" + target + "\C$\Program Files\Symantec\Symantec Endpoint Protection\seclog.log";
//if seclog exists
if (File.Exists(seclogPath1))
{
//output.AppendText("file exists at " + seclogPath1);
//var seclogContent = File.Open(seclogPath1, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Stream stream = File.Open(seclogPath1, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
//File.OpenRead(seclogPath1);
StreamReader streamReader = new StreamReader(stream);
string str = streamReader.ReadToEnd();
output.AppendText(str);
streamReader.Close();
stream.Close();
}
what i had to change
我必须改变什么
i had to create a readwrite filestream
我必须创建一个读写文件流
original code
原始代码
Stream stream = File.OpenRead(seclogPath1);
StreamReader streamReader = new StreamReader(stream);
new code
新代码
Stream stream = File.Open(seclogPath1, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
//File.OpenRead(seclogPath1);
StreamReader streamReader = new StreamReader(stream);
回答by Kurkula
using (StreamReader sr = new StreamReader(filePath, true))
{
sr.Close(); //This is mandatory
//Do your file operation
}
