Major upgrade

Source/Program/Common/Exceptions/FatalFailureException.cs

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+/*-------------------------------------------------------------------------
+//                           UNCLASSIFIED
+/*-------------------------------------------------------------------------
+RAYTHEON PROPRIETARY: THIS DOCUMENT CONTAINS DATA OR INFORMATION
+PROPRIETARY TO RAYTHEON COMPANY AND IS RESTRICTED TO USE ONLY BY PERSONS
+AUTHORIZED BY RAYTHEON COMPANY IN WRITING TO USE IT. DISCLOSURE TO
+UNAUTHORIZED PERSONS WOULD LIKELY CAUSE SUBSTANTIAL COMPETITIVE HARM TO
+RAYTHEON COMPANY'S BUSINESS POSITION. NEITHER SAID DOCUMENT NOR ITS
+CONTENTS SHALL BE FURNISHED OR DISCLOSED TO OR COPIED OR USED BY PERSONS
+OUTSIDE RAYTHEON COMPANY WITHOUT THE EXPRESS WRITTEN APPROVAL OF RAYTHEON
+COMPANY.
+
+THIS PROPRIETARY NOTICE IS NOT APPLICABLE IF DELIVERED TO THE U.S.
+GOVERNMENT.
+
+UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.
+-------------------------------------------------------------------------*/
+using System;
+
+namespace ProgramLib
+{
+   /// <summary>
+   /// Exception for support threads to throw to signal to main thread of a fatal failure
+   /// </summary>
+   internal class FatalFailureException : Exception
+   {
+      protected FatalFailureException() { }
+
+      public FatalFailureException(string message)
+            : base(message)
+      {
+      }
+
+      public FatalFailureException(string message, Exception innerException)
+          : base(message, innerException)
+      {
+      }
+   }
+}