2 files changed, 42 insertions, 1 deletions
diff --git a/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionNotification.cs b/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionNotification.cs
new file mode 100644
index 0000000000..b084891768
--- /dev/null
+++ b/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionNotification.cs
@@ -0,0 +1,41 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+/*=============================================================================
+**
+** File: ExceptionNotification.cs
+**
+**
+** Purpose: Contains definitions for supporting Exception Notifications.
+**
+** Created: 10/07/2008
+** 
+** <owner>gkhanna</owner>
+** 
+=============================================================================*/
+#if FEATURE_EXCEPTION_NOTIFICATIONS
+namespace System.Runtime.ExceptionServices {
+    using System;
+    using System.Runtime.ConstrainedExecution;
+    
+    // Definition of the argument-type passed to the FirstChanceException event handler
+    public class FirstChanceExceptionEventArgs : EventArgs
+    {
+        // Constructor
+        public FirstChanceExceptionEventArgs(Exception exception)
+        {
+            m_Exception = exception;
+        }
+
+        // Returns the exception object pertaining to the first chance exception
+        public Exception Exception
+        {
+            [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+            get { return m_Exception; }
+        }
+
+        // Represents the FirstChance exception instance
+        private Exception m_Exception;
+    }
+}
+#endif // FEATURE_EXCEPTION_NOTIFICATIONS
+\ No newline at end of file
diff --git a/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionServicesCommon.cs b/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionServicesCommon.cs
index 7251d901cd..905f12dfb5 100644
--- a/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionServicesCommon.cs
+++ b/src/mscorlib/src/System/Runtime/ExceptionServices/ExceptionServicesCommon.cs
@@ -101,7 +101,7 @@ namespace System.Runtime.ExceptionServices {
         {
             if (source == null)
             {
-                throw new ArgumentNullException("source", Environment.GetResourceString("ArgumentNull_Obj"));
+                throw new ArgumentNullException(nameof(source), Environment.GetResourceString("ArgumentNull_Obj"));
             }
             
             return new ExceptionDispatchInfo(source);