1. 增加 全局异常捕获

KeyGo/Program.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Text;
 using System.Windows.Forms;
 
 namespace KeyGo
@@ -15,16 +16,63 @@ namespace KeyGo
             if (p != null)
             {
                 if (p.MainWindowHandle == IntPtr.Zero)
-                    MessageBox.Show("应用已启动，无需重复运行", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    MessageBox.Show("应用程序已启用或未关闭，请勿重复启动程序。", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                 else
                     AppControl.ShowWindow(p);
             }
             else
             {
+                //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 += Application_ThreadException;
+                //处理非UI线程异常
+                AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
                 Application.EnableVisualStyles();
                 Application.SetCompatibleTextRenderingDefault(false);
                 Application.Run(new FormMain());
             }
         }
+
+        private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
+        {
+            string str = GetExceptionMsg(e.Exception, e.ToString());
+            //Logger.Info("应用程序线程异常", e.Exception);
+            MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+
+        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
+        {
+            string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString());
+            //Logger.Info("未捕获异常", e.ExceptionObject as Exception);
+            MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+
+        /// <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>
+        private 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);
+#if DEBUG
+                sb.AppendLine("【堆栈调用】：" + ex.StackTrace);
+#endif
+            }
+            else
+            {
+                sb.AppendLine("【未处理异常】：" + backStr);
+            }
+            sb.AppendLine("***************************************************************");
+            return sb.ToString();
+        }
     }
 }