Example #1
0
        public static void Main()
        {
            try
            {
                // This code forces a division by 0 and catches the
                // resulting exception.
                try
                {
                    int zero = 0;
                    int ecks = 1 / zero;
                }
                catch (Exception ex)
                {
                    // Create a new exception to throw.
                    NewException newExcept = new NewException("Divided by", 0);

                    // This FileStream is used for the serialization.
                    FileStream fs =
                        new FileStream("NewException.dat",
                                       FileMode.Create);

                    try
                    {
                        // Serialize the exception.
                        BinaryFormatter formatter = new BinaryFormatter();
                        formatter.Serialize(fs, newExcept);

                        // Rewind the stream and deserialize the exception.
                        fs.Position = 0;
                        NewException deserExcept =
                            (NewException)formatter.Deserialize(fs);
                        Console.WriteLine(
                            "Forced a division by 0, caught the resulting exception, \n" +
                            "and created a derived exception with custom data. \n" +
                            "Serialized the exception and deserialized it:\n");
                        Console.WriteLine("StringData: {0}", deserExcept.StringData);
                        Console.WriteLine("intData:   {0}", deserExcept.IntData);
                    }
                    catch (SerializationException se)
                    {
                        Console.WriteLine("Failed to serialize: {0}",
                                          se.ToString());
                    }
                    finally
                    {
                        fs.Close();
                        Console.ReadLine();
                    }
                }
            }
            catch (NewException ex)
            {
                Console.WriteLine("StringData: {0}", ex.StringData);
                Console.WriteLine("IntData:   {0}", ex.IntData);
            }
        }
Example #2
0
            //<snippet2>
            // This method is called when deserialization of the
            // exception is complete.
            void ISafeSerializationData.CompleteDeserialization
                (object obj)
            {
                // Since the exception simply contains an instance of
                // the exception state object, we can repopulate it
                // here by just setting its instance field to be equal
                // to this deserialized state instance.
                NewException exception = obj as NewException;

                exception.m_state = this;
            }