add handler for unhandled exceptions

1 files changed, 11 insertions, 2 deletions

diff --git a/grapher/Program.cs b/grapher/Program.cs
index 485e074..894d1cd 100644
--- a/grapher/Program.cs
+++ b/grapher/Program.cs
@@ -19,11 +19,20 @@ namespace grapher
                 return;
             }
 
+            AppDomain.CurrentDomain.UnhandledException += GlobalUnhandledExceptionHandler;
+
             Application.EnableVisualStyles();
             Application.SetCompatibleTextRenderingDefault(false);
             Application.Run(new RawAcceleration());
-            
-            GC.KeepAlive(mutex);
+
+            GC.KeepAlive(mutex);      
+        }
+
+        static void GlobalUnhandledExceptionHandler(object sender, UnhandledExceptionEventArgs e)
+        {
+            var ex = (Exception)e.ExceptionObject;
+            System.IO.File.WriteAllText("error.log", ex.ToString());
+            MessageBox.Show(ex.Message, "Error");
         }
     }
 }