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using System; using System.IO; using System.Collections; using System.Runtime.Serialization; // Note: When building this code, you must reference the // System.Runtime.Serialization.Formatters.Soap.dll assembly. using System.Runtime.Serialization.Formatters.Soap; class App { [STAThread] static void Main() { Serialize(); Deserialize(); } static void Serialize() { // Create a hashtable of values that will eventually be serialized. Hashtable addresses = new Hashtable(); addresses.Add("Jeff", "123 Main Street, Redmond, WA 98052"); addresses.Add("Fred", "987 Pine Road, Phila., PA 19116"); addresses.Add("Mary", "PO Box 112233, Palo Alto, CA 94301"); // To serialize the hashtable (and its key/value pairs), // you must first open a stream for writing. // Use a file stream here. FileStream fs = new FileStream("DataFile.soap", FileMode.Create); // Construct a SoapFormatter and use it // to serialize the data to the stream. SoapFormatter formatter = new SoapFormatter(); try { formatter.Serialize(fs, addresses); } catch (SerializationException e) { Console.WriteLine("Failed to serialize. Reason: " + e.Message); throw; } finally { fs.Close(); } } static void Deserialize() { // Declare the hashtable reference. Hashtable addresses = null; // Open the file containing the data that you want to deserialize. FileStream fs = new FileStream("DataFile.soap", FileMode.Open); try { SoapFormatter formatter = new SoapFormatter(); // Deserialize the hashtable from the file and // assign the reference to the local variable. addresses = (Hashtable) formatter.Deserialize(fs); } catch (SerializationException e) { Console.WriteLine("Failed to deserialize. Reason: " + e.Message); throw; } finally { fs.Close(); } // To prove that the table deserialized correctly, // display the key/value pairs to the console. foreach (DictionaryEntry de in addresses) { Console.WriteLine("{0} lives at {1}.", de.Key, de.Value); } } } |