C # WinForm captures unhandled exception instance resolution

This article is a complete example of how C # WinForm captures unhandled exceptions. Share it for everyone's reference. The specific code is as follows:

Using system;using system.collections.generic;using system.windows.forms;using system.io;namespace GobalException{    Static class Program {///<summary>//The main entry point of the application. </summary> [STAThread] static void Main () {try {//handle uncaught exception APPLICATION.SETUNH        Andledexceptionmode (unhandledexceptionmode.catchexception); Handling UI Thread Exceptions Application.ThreadException + = new System.Threading.ThreadExceptionEventHandler (application_threadexcep        tion); Handling non-UI thread exceptions AppDomain.CurrentDomain.UnhandledException + = new Unhandledexceptioneventhandler (Currentdomain_unhandl        Edexception);        Application.enablevisualstyles ();        Application.setcompatibletextrenderingdefault (FALSE);      Application.Run (New Form1 ());        } catch (Exception ex) {string str = "";        String strdateinfo = "An unhandled exception occurred by the application:" + DateTime.Now.ToString () + "\ r \ n"; if (ex! = null) {str = string. Format (Strdateinfo + "Exception type: {0}\r\n exception message: {1}\r\n exception information: {2}\r\n", ex. GetType (). Name, ex. Message, ex.        StackTrace); } else {str = string.        Format ("Application thread error: {0}", ex);        } writelog (str);//frmbug f = new Frmbug (str);//Friendly Prompt interface//f.showdialog (); MessageBox.Show ("Fatal error occurred, please contact the author in time!")      "," System error ", MessageBoxButtons.OK, Messageboxicon.error); }}////<summary>////This is the way we are going to deal with an unhandled exception, I write the error details to the text, such as an error pop up a beautiful error prompt form, give you a reference///practice a lot, can be the error details recorded in the text    This, database, send error message to author mailbox or re-initialize after error, etc.///This is the benevolent see of the beholder, we did it ourselves. </summary>//<param name= "sender" ></param>//<param name= "E" ></param> Stati      c void Application_threadexception (object sender, System.Threading.ThreadExceptionEventArgs e) {string str = "";      String strdateinfo = "An unhandled exception occurred by the application:" + DateTime.Now.ToString () + "\ r \ n";      Exception error = e.exception as Exception; if (Error! = null) {str = string. Format (Strdateinfo + "Exception type:{0}\r\n Exception message: {1}\r\n exception information: {2}\r\n ', error. GetType (). Name, error. Message, error.      StackTrace); } else {str = string.      Format ("Application thread error: {0}", e);      } writelog (str);//frmbug f = new Frmbug (str);//Friendly Prompt interface//f.showdialog (); MessageBox.Show ("Fatal error occurred, please contact the author in time!")    "," System error ", MessageBoxButtons.OK, Messageboxicon.error);       } static void Currentdomain_unhandledexception (object sender, UnhandledExceptionEventArgs e) {string str = "";      Exception error = E.exceptionobject as Exception;      String strdateinfo = "An unhandled exception occurred by the application:" + DateTime.Now.ToString () + "\ r \ n"; if (Error! = null) {str = string. Format (Strdateinfo + "Application unhandledexception:{0};\n\r stack information: {1}", error. Message, error.      StackTrace); } else {str = string.      Format ("Application unhandlederror:{0}", E);      } writelog (str);//frmbug f = new Frmbug (str);//Friendly Prompt interface//f.showdialog (); MessageBox.Show ("Fatal error occurred, please stop the current operation and contact the author in time!") "," System error ", MeSsageboxbuttons.ok, Messageboxicon.error); }///<summary>///////</summary>//<param name= "str" ></param> static void W Ritelog (String str) {if (!      Directory.Exists ("ErrLog")) {directory.createdirectory ("ErrLog"); } using (StreamWriter SW = new StreamWriter (@ "Errlog\errlog.txt", True)) {SW.        WriteLine (str); Sw.        WriteLine ("---------------------------------------------------------"); Sw.      Close (); }    }  }}

The examples in this paper are provided with more detailed comments to facilitate reading comprehension. I hope this article is helpful to everyone's C # programming.

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C # WinForm captures unhandled exception instance resolution

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C # WinForm captures unhandled exception instance resolution