C# WinForm捕获全局变量异常 SamWang解决方法

static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
try
{
//设置应用程序处理异常方式：ThreadException处理
Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
//处理UI线程异常
Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
//处理非UI线程异常
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);

#region 应用程序的主入口点
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
#endregion
}
catch (Exception ex)
{
string str = GetExceptionMsg(ex,string.Empty);
MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}


static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
{
string str = GetExceptionMsg(e.Exception, e.ToString());
MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
//LogManager.WriteLog(str);
}

static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
//LogManager.WriteLog(str);
}

/// <summary>
/// 生成自定义异常消息
/// </summary>
/// <param name="ex">异常对象</param>
/// <param name="backStr">备用异常消息：当ex为null时有效</param>
/// <returns>异常字符串文本</returns>
static string GetExceptionMsg(Exception ex,string backStr)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("****************************异常文本****************************");
sb.AppendLine("【出现时间】：" + DateTime.Now.ToString());
if (ex != null)
{
sb.AppendLine("【异常类型】：" + ex.GetType().Name);
sb.AppendLine("【异常信息】：" + ex.Message);
sb.AppendLine("【堆栈调用】：" + ex.StackTrace);
}
else
{
sb.AppendLine("【未处理异常】：" + backStr);
}
sb.AppendLine("***************************************************************");
return sb.ToString();
}
}

static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
try
{
//处理未捕获的异常
Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
//处理UI线程异常
Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException);
//处理非UI线程异常
AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);

#region 应用程序的主入口点

Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Main());

#endregion

}
catch (Exception ex)
{
string str = "";
string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";

if (ex != null)
{
str = string.Format(strDateInfo + "异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n",
ex.GetType().Name, ex.Message, ex.StackTrace);
}
else
{
str = string.Format("应用程序线程错误:{0}", ex);
}

//MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
LogManager.WriteLog(str);
}

}

static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
{
string str = "";
string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";
Exception error = e.Exception as Exception;
if (error != null)
{
str = string.Format(strDateInfo + "异常类型：{0}\r\n异常消息：{1}\r\n异常信息：{2}\r\n",
error.GetType().Name, error.Message, error.StackTrace);
}
else
{
str = string.Format("应用程序线程错误:{0}", e);
}

//MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
LogManager.WriteLog(str);
}

static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
{
string str = "";
Exception error = e.ExceptionObject as Exception;
string strDateInfo = "出现应用程序未处理的异常：" + DateTime.Now.ToString() + "\r\n";
if (error != null)
{
str = string.Format(strDateInfo + "Application UnhandledException:{0};\n\r堆栈信息:{1}", error.Message, error.StackTrace);
}
else
{
str = string.Format("Application UnhandledError:{0}", e);
}

//MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
LogManager.WriteLog(str);
}
}