Handle TaskSchedulerUnhandledException

Author: Jack251970

Flow.Launcher/App.xaml.cs

@@ -153,6 +153,7 @@ await API.StopwatchLogInfoAsync(ClassName, "Startup cost", async () =>
 
                 RegisterAppDomainExceptions();
                 RegisterDispatcherUnhandledException();
+                RegisterTaskSchedulerUnhandledException();
 
                 var imageLoadertask = ImageLoader.InitializeAsync();
 
@@ -284,6 +285,15 @@ private static void RegisterAppDomainExceptions()
             AppDomain.CurrentDomain.UnhandledException += ErrorReporting.UnhandledExceptionHandle;
         }
 
+        /// <summary>
+        /// let exception throw as normal is better for Debug
+        /// </summary>
+        [Conditional("RELEASE")]
+        private static void RegisterTaskSchedulerUnhandledException()
+        {
+            TaskScheduler.UnobservedTaskException += ErrorReporting.TaskSchedulerUnobservedTaskException;
+        }
+
         #endregion
 
         #region IDisposable

Flow.Launcher/Helper/ErrorReporting.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Threading.Tasks;
 using System.Windows.Threading;
 using NLog;
 using Flow.Launcher.Infrastructure;
@@ -30,6 +31,14 @@ public static void DispatcherUnhandledException(object sender, DispatcherUnhandl
         e.Handled = true;
     }
 
+    public static void TaskSchedulerUnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
+    {
+        //handle unobserved task exceptions
+        Report(e.Exception);
+        //prevent application exist, so the user can copy prompted error info
+        e.SetObserved();
+    }
+
     public static string RuntimeInfo()
     {
         var info =