1 files changed, 70 insertions, 0 deletions
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/App.xaml.cs b/Software/Visual_Studio/PPC/Tango.PPC.UI/App.xaml.cs
index 0eb982d08..0bd9f9d1d 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/App.xaml.cs
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/App.xaml.cs
@@ -9,9 +9,12 @@ using System.Threading.Tasks;
 using System.Windows;
 using Tango.BL;
 using Tango.Core;
+using Tango.Core.DI;
 using Tango.Core.Helpers;
 using Tango.Logging;
 using Tango.PPC.Common;
+using Tango.PPC.Common.EventLogging;
+using Tango.PPC.Common.Notifications;
 using Tango.PPC.Common.WatchDog;
 using Tango.Settings;
 
@@ -22,6 +25,8 @@ namespace Tango.PPC.UI
     /// </summary>
     public partial class App : Application
     {
+        private WpfGlobalExceptionTrapper exceptionTrapper;
+
         public static String[] StartupArgs { get; private set; }
         private LogManager LogManager = LogManager.Default;
 
@@ -47,6 +52,10 @@ namespace Tango.PPC.UI
 
             base.OnStartup(e);
 
+            exceptionTrapper = new WpfGlobalExceptionTrapper();
+            exceptionTrapper.Initialize(this);
+            exceptionTrapper.ApplicationCrashed += ExceptionTrapper_ApplicationCrashed;
+
             LogManager.Categories.Clear();
 
             CoreSettings.DefaultDataSource = new DataSource()
@@ -72,5 +81,66 @@ namespace Tango.PPC.UI
 
             LogManager.Categories.AddRange(settings.LoggingCategories);
         }
+
+        #region Global Exception Trapping
+
+        /// <summary>
+        /// Handles the ApplicationCrashed event of the ExceptionTrapper.
+        /// </summary>
+        /// <param name="sender">The source of the event.</param>
+        /// <param name="e">The <see cref="ApplicationCrashedEventArgs"/> instance containing the event data.</param>
+        private void ExceptionTrapper_ApplicationCrashed(object sender, ApplicationCrashedEventArgs e)
+        {
+            e.TryRecover = true;
+
+            try
+            {
+                LogManager.Log(e.Exception, "Application Crashed!");
+                LogManager.Log("Trying to recover from application crash...");
+
+                try
+                {
+                    if (Application.Current == null)
+                    {
+                        new Application { ShutdownMode = ShutdownMode.OnExplicitShutdown };
+                    }
+                }
+                catch { }
+
+                try
+                {
+                    var eventLogger = TangoIOC.Default.GetInstance<IEventLogger>();
+                    if (eventLogger != null)
+                    {
+                        eventLogger.Log(e.Exception, "Application Crashed!");
+                    }
+                }
+                catch { }
+
+                Application.Current.Dispatcher.Invoke(async () =>
+                {
+                    try
+                    {
+                        LogManager.Log("Trying to notify the user about the crash...");
+                        INotificationProvider notificationProvider = TangoIOC.Default.GetInstance<INotificationProvider>();
+
+                        if (notificationProvider != null)
+                        {
+                            await notificationProvider.ShowError("An unexpected error has occurred. Use the application logs to diagnose and report the problem.");
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        LogManager.Log(ex, "Error using the notification provider.");
+                    }
+                });
+            }
+            catch (Exception ex)
+            {
+                LogManager.Log(ex, "Error in global exception trapper!");
+            }
+        }
+
+        #endregion
     }
 }