Exception无论我的程序运行的机器是什么语言,我都试图用英语获取所有消息.
我已经设法使用以下帖子中的答案获得几乎所有的英语异常消息:
英语异常消息?
和我发现的其他一些解决方案(比如使用反射来改变默认值CultureInfo).我有特定的问题SocketException,无论我在做什么,我都会使用默认机器的语言.
我已经创建了一个测试程序来显示问题:这个测试程序将以默认语言打印Exceptions:
using System;
using System.Text;
using System.Threading;
using System.IO;
using System.Net.Sockets;
using System.Reflection;
using System.Globalization;
namespace TestApp
{
class Program
{
static void Main(string[] args)
{
try
{
//I'm not listening on the following port:
TcpClient s = new TcpClient("localhost", 2121);
}
catch (Exception ex)
{
Console.WriteLine("Socket exception: " + ex.Message);
}
try
{
//the following file doesn't exists:
File.ReadAllText("filenotexist.txt");
}
catch (Exception ex)
{
Console.WriteLine("File exception: " + ex.Message);
}
}
}
}
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这个结果在我的机器上有以下文字:
H:\Shared>Test-def.exe
Socket exception: No connection could be made because the target machine actively refused it 127.0.0.1:2121
File exception: Could not find file 'H:\Shared\filenotexist.txt'.
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在日本机器上,它用日语写出所有异常(我不明白):
Z:\>Test-def.exe
Socket exception: ????????????????????????????????? 127.0.0.1:2121
File exception: ???? 'Z:\filenotexist.txt' ????????????
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(日语'\'在日本机器中看起来不同,但复制到我的机器时显示为'\')
因此,通过结合我找到的答案,我已经实现了以下解决方案,所以现在它看起来像这样:
namespace TestApp
{
class Program
{
//will change CultureInfo to English, this should change all threads CultureInfo to English.
public static void SetEnglishCulture()
{
CultureInfo ci = new CultureInfo("en-US");
//change CultureInfo for current thread:
Thread.CurrentThread.CurrentUICulture = ci;
Thread.CurrentThread.CurrentCulture = ci;
//change CultureInfo for new threads:
Type t = typeof(CultureInfo);
try
{
t.InvokeMember("s_userDefaultCulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
t.InvokeMember("s_userDefaultUICulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
}
catch { }
try
{
t.InvokeMember("m_userDefaultCulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
t.InvokeMember("m_userDefaultUICulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
}
catch { }
}
static void Main(string[] args)
{
//first thing: set CultureInfo to English:
SetEnglishCulture();
try
{
//I'm not listening on the following port:
TcpClient s = new TcpClient("localhost", 2121);
}
catch (Exception ex)
{
Console.WriteLine("Socket exception: " + ex.Message);
}
try
{
//the following file doesn't exists:
File.ReadAllText("filenotexist.txt");
}
catch (Exception ex)
{
Console.WriteLine("File exception: " + ex.Message);
}
}
}
}
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现在在日语机器上,它用英语编写文件异常,但Net.socket例外仍然是日语:
Z:\>Test-en.exe
Socket exception: ????????????????????????????????? 127.0.0.1:2121
File exception: Could not find file 'Z:\filenotexist.txt'.
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我还测试了一些其他异常,现在用英语显示了一些异常,但不是所有异常,套接字异常都是持久的.如您所见,文件异常已翻译为英语,但套接字异常仍为日语.
我几乎在任何.NET框架(从2.1到4.5)中测试过它仍然是相同的.
我有一个解决方案,因此我会将其上传到此处,以防有人需要它。如果有人有更好的解决方案,我很乐意知道,请发表评论。
如果是Win32Exception,我们可以使用FormatMessage错误代码并将其翻译为英语和默认语言,并将默认语言替换为英语。如果我采用英文而不替换,我会丢失参数。因此,如果替换失败,我将返回带有附加英文描述的异常。
这是我的完整解决方案:
using System;
using System.IO;
using System.Text;
using System.Threading;
using System.Net.Sockets;
using System.Globalization;
using System.Reflection;
using System.ComponentModel;
using System.Runtime.InteropServices;
namespace TestCulture
{
class Program
{
static void SetEnglishCulture()
{
CultureInfo ci = new CultureInfo("en-US");
Thread.CurrentThread.CurrentCulture = ci;
Thread.CurrentThread.CurrentUICulture = ci;
Type type = typeof(CultureInfo);
try
{
type.InvokeMember("s_userDefaultCulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
type.InvokeMember("s_userDefaultUICulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
} catch { }
try
{
type.InvokeMember("m_userDefaultCulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
type.InvokeMember("m_userDefaultUICulture", BindingFlags.SetField | BindingFlags.NonPublic | BindingFlags.Static, null, ci, new object[] { ci });
} catch { }
}
[DllImport("kernel32.dll")]
static extern uint FormatMessage(uint dwFlags, IntPtr lpSource, uint dwMessageId, uint dwLanguageId, StringBuilder lpBuffer, uint nSize, IntPtr Arguments);
public static string Win32ExceptionInEnglish(Win32Exception ex)
{
const int nCapacity = 820; // max error length
const uint FORMAT_MSG_FROM_SYS = 0x01000;
const uint engLangID = (0x01<<10) | 0x09;
const uint defLangID = 0x0;
StringBuilder engSb = new StringBuilder(nCapacity);
StringBuilder defSb = new StringBuilder(nCapacity);
FormatMessage(FORMAT_MSG_FROM_SYS,IntPtr.Zero, (uint)ex.ErrorCode, defLangID, defSb, nCapacity, IntPtr.Zero);
FormatMessage(FORMAT_MSG_FROM_SYS,IntPtr.Zero, (uint)ex.ErrorCode, engLangID, engSb, nCapacity, IntPtr.Zero);
string sDefMsg = defSb.ToString().TrimEnd(' ','.','\r','\n');
string sEngMsg = engSb.ToString().TrimEnd(' ','.','\r','\n');
if(sDefMsg == sEngMsg) //message already in English (or no english on machine?)
{
//nothing left to do:
return ex.Message;
}
else
{
string msg = ex.Message.Replace(sDefMsg,sEngMsg);
if (msg == ex.Message)
{
//replace didn't worked, can be message with arguments in the middle.
//I such as case print both: original and translated. to not lose the arguments.
return ex.Message + " (In English: " + sEngMsg + ")";
}
else
{
//successfuly replaced!
return msg;
}
}
}
public static void Main(string[] args)
{
SetEnglishCulture();
try {
// generate any exception ...
const int notListenningPort = 2121;
new TcpClient("localhost", notListenningPort);
}
catch(Win32Exception ex)//first try to cach win32 Exceptions
{
Console.WriteLine("W32 Exception: " + Win32ExceptionInEnglish(ex));
}
catch(Exception ex)//this fit to the rest .NET exceptions which affected by CultureInfo
{
Console.WriteLine("Exception: " +ex.Message);
}
}
}
}
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