可以捕获winform中的异常写到文本中

 <p>可以捕获winform中的异常写到文本中</p>

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 <pre><span style="color: #008080;"> </span> <span style="color: #000000;"> [STAThread]

 </span><span style="color: #008080;"> </span>         <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> Main()

 </span><span style="color: #008080;"> </span> <span style="color: #000000;">        {

 </span><span style="color: #008080;"> </span>             <span style="color: #0000ff;">try</span>

 <span style="color: #008080;"> </span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"> </span>                 <span style="color: #008000;">//</span><span style="color: #008000;">处理未捕获的异常  </span>

 <span style="color: #008080;"> </span> <span style="color: #000000;">                Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);

 </span><span style="color: #008080;"> </span>                 <span style="color: #008000;">//</span><span style="color: #008000;">处理UI线程异常  </span>

 <span style="color: #008080;"> </span>                 Application.ThreadException += <span style="color: #0000ff;">new</span><span style="color: #000000;"> System.Threading.ThreadExceptionEventHandler(Application_ThreadException);

 </span><span style="color: #008080;"></span>                 <span style="color: #008000;">//</span><span style="color: #008000;">处理非UI线程异常  </span>

 <span style="color: #008080;"></span>                 AppDomain.CurrentDomain.UnhandledException += <span style="color: #0000ff;">new</span><span style="color: #000000;"> UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                Application.EnableVisualStyles();

 </span><span style="color: #008080;"></span>                 Application.SetCompatibleTextRenderingDefault(<span style="color: #0000ff;">false</span><span style="color: #000000;">);

 </span><span style="color: #008080;"></span>                 Application.Run(<span style="color: #0000ff;">new</span><span style="color: #000000;"> Form1());

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">catch</span><span style="color: #000000;"> (Exception ex)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 <span style="color: #0000ff;">string</span> str = <span style="color: #800000;">""</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>                 <span style="color: #0000ff;">string</span> strDateInfo = <span style="color: #800000;">"</span><span style="color: #;">出现应用程序未处理的异常：</span><span style="color: #;">"</span> + DateTime.Now.ToString() + <span style="color: #800000;">"</span><span style="color: #;">\r\n</span><span style="color: #;">"</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>                 <span style="color: #0000ff;">if</span> (ex != <span style="color: #0000ff;">null</span><span style="color: #000000;">)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                {

 </span><span style="color: #008080;"></span>                     str = <span style="color: #0000ff;">string</span>.Format(strDateInfo + <span style="color: #800000;">"</span><span style="color: #;">异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n</span><span style="color: #;">"</span><span style="color: #000000;">,

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                       ex.GetType().Name, ex.Message, ex.StackTrace);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                }

 </span><span style="color: #008080;"></span>                 <span style="color: #0000ff;">else</span>

 <span style="color: #008080;"></span> <span style="color: #000000;">                {

 </span><span style="color: #008080;"></span>                     str = <span style="color: #0000ff;">string</span>.Format(<span style="color: #800000;">"</span><span style="color: #;">应用程序线程错误:{0}</span><span style="color: #;">"</span><span style="color: #000000;">, ex);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                }

 </span><span style="color: #008080;"></span>

 <span style="color: #008080;"></span> <span style="color: #000000;">                writeLog(str);

 </span><span style="color: #008080;"></span>                 <span style="color: #008000;">//</span><span style="color: #008000;">frmBug f = new frmBug(str);</span><span style="color: #008000;">//</span><span style="color: #008000;">友好提示界面

 </span><span style="color: #008080;"></span>                 <span style="color: #008000;">//</span><span style="color: #008000;">f.ShowDialog();</span>

 <span style="color: #008080;"></span>                 MessageBox.Show(<span style="color: #800000;">"</span><span style="color: #;">发生致命错误，请及时联系作者！</span><span style="color: #;">"</span>, <span style="color: #800000;">"</span><span style="color: #;">系统错误</span><span style="color: #;">"</span><span style="color: #000000;">, MessageBoxButtons.OK, MessageBoxIcon.Error);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        }

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;summary&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #808080;">///</span><span style="color: #008000;">这就是我们要在发生未处理异常时处理的方法，我这是写出错详细信息到文本，如出错后弹出一个漂亮的出错提示窗体，给大家做个参考

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span><span style="color: #008000;">做法很多，可以是把出错详细信息记录到文本、数据库，发送出错邮件到作者信箱或出错后重新初始化等等

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span><span style="color: #008000;">这就是仁者见仁智者见智，大家自己做了。

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;/summary&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;param name="sender"&gt;&lt;/param&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;param name="e"&gt;&lt;/param&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">void</span> Application_ThreadException(<span style="color: #0000ff;">object</span><span style="color: #000000;"> sender, System.Threading.ThreadExceptionEventArgs e)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        {

 </span><span style="color: #008080;"></span>

 <span style="color: #008080;"></span>             <span style="color: #0000ff;">string</span> str = <span style="color: #800000;">""</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">string</span> strDateInfo = <span style="color: #800000;">"</span><span style="color: #;">出现应用程序未处理的异常：</span><span style="color: #;">"</span> + DateTime.Now.ToString() + <span style="color: #800000;">"</span><span style="color: #;">\r\n</span><span style="color: #;">"</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>             Exception error = e.Exception <span style="color: #0000ff;">as</span><span style="color: #000000;"> Exception;

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">if</span> (error != <span style="color: #0000ff;">null</span><span style="color: #000000;">)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 str = <span style="color: #0000ff;">string</span>.Format(strDateInfo + <span style="color: #800000;">"</span><span style="color: #;">异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n</span><span style="color: #;">"</span><span style="color: #000000;">,

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                   error.GetType().Name, error.Message, error.StackTrace);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">else</span>

 <span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 str = <span style="color: #0000ff;">string</span>.Format(<span style="color: #800000;">"</span><span style="color: #;">应用程序线程错误:{0}</span><span style="color: #;">"</span><span style="color: #000000;">, e);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            writeLog(str);

 </span><span style="color: #008080;"></span>             <span style="color: #008000;">//</span><span style="color: #008000;">frmBug f = new frmBug(str);</span><span style="color: #008000;">//</span><span style="color: #008000;">友好提示界面

 </span><span style="color: #008080;"></span>             <span style="color: #008000;">//</span><span style="color: #008000;">f.ShowDialog();</span>

 <span style="color: #008080;"></span>             MessageBox.Show(<span style="color: #800000;">"</span><span style="color: #;">发生致命错误，请及时联系作者！</span><span style="color: #;">"</span>, <span style="color: #800000;">"</span><span style="color: #;">系统错误</span><span style="color: #;">"</span><span style="color: #000000;">, MessageBoxButtons.OK, MessageBoxIcon.Error);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        }

 </span><span style="color: #008080;"></span>         <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">void</span> CurrentDomain_UnhandledException(<span style="color: #0000ff;">object</span><span style="color: #000000;"> sender, UnhandledExceptionEventArgs e)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        {

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">string</span> str = <span style="color: #800000;">""</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>             Exception error = e.ExceptionObject <span style="color: #0000ff;">as</span><span style="color: #000000;"> Exception;

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">string</span> strDateInfo = <span style="color: #800000;">"</span><span style="color: #;">出现应用程序未处理的异常：</span><span style="color: #;">"</span> + DateTime.Now.ToString() + <span style="color: #800000;">"</span><span style="color: #;">\r\n</span><span style="color: #;">"</span><span style="color: #000000;">;

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">if</span> (error != <span style="color: #0000ff;">null</span><span style="color: #000000;">)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 str = <span style="color: #0000ff;">string</span>.Format(strDateInfo + <span style="color: #800000;">"</span><span style="color: #;">Application UnhandledException:{0};\n\r堆栈信息:{1}</span><span style="color: #;">"</span><span style="color: #000000;">, error.Message, error.StackTrace);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">else</span>

 <span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 str = <span style="color: #0000ff;">string</span>.Format(<span style="color: #800000;">"</span><span style="color: #;">Application UnhandledError:{0}</span><span style="color: #;">"</span><span style="color: #000000;">, e);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            writeLog(str);

 </span><span style="color: #008080;"></span>             <span style="color: #008000;">//</span><span style="color: #008000;">frmBug f = new frmBug(str);</span><span style="color: #008000;">//</span><span style="color: #008000;">友好提示界面

 </span><span style="color: #008080;"></span>             <span style="color: #008000;">//</span><span style="color: #008000;">f.ShowDialog();</span>

 <span style="color: #008080;"></span>             MessageBox.Show(<span style="color: #800000;">"</span><span style="color: #;">发生致命错误，请停止当前操作并及时联系作者！</span><span style="color: #;">"</span>, <span style="color: #800000;">"</span><span style="color: #;">系统错误</span><span style="color: #;">"</span><span style="color: #000000;">, MessageBoxButtons.OK, MessageBoxIcon.Error);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        }

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;summary&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #808080;">///</span><span style="color: #008000;"> 写文件

 </span><span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;/summary&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #808080;">///</span> <span style="color: #808080;">&lt;param name="str"&gt;&lt;/param&gt;</span>

 <span style="color: #008080;"></span>         <span style="color: #0000ff;">static</span> <span style="color: #0000ff;">void</span> writeLog(<span style="color: #0000ff;">string</span><span style="color: #000000;"> str)

 </span><span style="color: #008080;"></span> <span style="color: #000000;">        {

 </span><span style="color: #008080;"></span>             <span style="color: #0000ff;">if</span> (!Directory.Exists(<span style="color: #800000;">"</span><span style="color: #;">ErrLog</span><span style="color: #;">"</span><span style="color: #000000;">))

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span>                 Directory.CreateDirectory(<span style="color: #800000;">"</span><span style="color: #;">ErrLog</span><span style="color: #;">"</span><span style="color: #000000;">);

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span>

 <span style="color: #008080;"></span>             <span style="color: #0000ff;">using</span> (StreamWriter sw = <span style="color: #0000ff;">new</span> StreamWriter(<span style="color: #800000;">@"</span><span style="color: #;">ErrLog\ErrLog-</span><span style="color: #;">"</span>+DateTime.Now.ToString(<span style="color: #800000;">"</span><span style="color: #;">yyyy-MM-dd</span><span style="color: #;">"</span>)+<span style="color: #800000;">"</span><span style="color: #;">.txt</span><span style="color: #;">"</span>, <span style="color: #0000ff;">true</span><span style="color: #000000;">, System.Text.Encoding.UTF8))

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            {

 </span><span style="color: #008080;"></span> <span style="color: #000000;">                sw.WriteLine(str);

 </span><span style="color: #008080;"></span>                 sw.WriteLine(<span style="color: #800000;">"</span><span style="color: #;">---------------------------------------------------------</span><span style="color: #;">"</span><span style="color: #000000;">);

 </span><span style="color: #008080;"></span>

 <span style="color: #008080;"></span> <span style="color: #000000;">                sw.Close();

 </span><span style="color: #008080;"></span> <span style="color: #000000;">            }

 </span><span style="color: #008080;"></span>         }</pre>

 </div>

 <span class="cnblogs_code_collapse">program</span></div>

 <p>这个在program中的文件，程序的入口</p>

这个在program中的文件，程序的入口

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