SoapFormatter Constructor ()
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SoapFormatter Constructor ()

.NET Framework 1.1

Initializes a new instance of the SoapFormatter class with default property values.

[Visual Basic]
Public Sub New()
[C#]
public SoapFormatter();
[C++]
public: SoapFormatter();
[JScript]
public function SoapFormatter();

Remarks

The following table shows the initial property values for an instance of SoapFormatter.

Property Value
SurrogateSelector A null reference (Nothing in Visual Basic).
Context A new StreamingContext initialized to specify that the serialized data can be transmitted to or received from any of the other contexts.

Example

[Visual Basic] 
Imports System.IO
Imports System.Collections
Imports System.Runtime.Serialization

' Note: When building this code, you must reference the
' System.Runtime.Serialization.Formatters.Soap.dll assembly.
Imports System.Runtime.Serialization.Formatters.Soap


Module App

   Sub Main()
      Serialize()
      Deserialize()
   End Sub

   Sub Serialize()
      ' Create a hashtable of values that will eventually be serialized.
      Dim addresses As 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.
      Dim fs As New FileStream("DataFile.soap", FileMode.Create)

      ' Construct a SoapFormatter and use it 
      ' to serialize the data to the stream.
      Dim formatter As New SoapFormatter
      Try
         formatter.Serialize(fs, addresses)
      Catch e As SerializationException
         Console.WriteLine("Failed to serialize. Reason: " & e.Message)
         Throw
      Finally
         fs.Close()
      End Try
   End Sub


   Sub Deserialize()
      ' Declare the hashtable reference.
      Dim addresses As Hashtable = Nothing

      ' Open the file containing the data that you want to deserialize.
      Dim fs As New FileStream("DataFile.soap", FileMode.Open)
      Try
         Dim formatter As New SoapFormatter

         ' Deserialize the hashtable from the file and 
         ' assign the reference to the local variable.
         addresses = DirectCast(formatter.Deserialize(fs), Hashtable)
      Catch e As SerializationException
         Console.WriteLine("Failed to deserialize. Reason: " & e.Message)
         Throw
      Finally
         fs.Close()
      End Try

      ' To prove that the table deserialized correctly, 
      ' display the key/value pairs to the console.
      Dim de As DictionaryEntry
      For Each de In addresses
         Console.WriteLine("{0} lives at {1}.", de.Key, de.Value)
      Next
   End Sub
End Module

[C#] 
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);
        }
    }
}

[C++] 
#using <mscorlib.dll>
#using <system.dll>
#using <system.runtime.serialization.formatters.soap.dll>

using namespace System;
using namespace System::IO;
using namespace System::Collections;
using namespace System::Runtime::Serialization;
using namespace System::Runtime::Serialization::Formatters::Soap;

void Serialize() 
{
   // Create a hashtable of values that will eventually be serialized.
   Hashtable* addresses = new Hashtable();
   addresses->Add(S"Jeff", S"123 Main Street, Redmond, WA 98052");
   addresses->Add(S"Fred", S"987 Pine Road, Phila., PA 19116");
   addresses->Add(S"Mary", S"PO Box 112233, Palo Alto, CA 94301");

   // To serialize the hashtable (and its keys/values), 
   // you must first open a stream for writing.
   // We will use a file stream here.
   FileStream* fs = new FileStream(S"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(S"Failed to serialize. Reason: {0}", e->Message);
      throw;
   }
   __finally 
   {
      fs->Close();
   }
}

void Deserialize() 
{
   // Declare the hashtable reference.
   Hashtable* addresses = 0;

   // Open the file containing the data that we want to deserialize.
   FileStream* fs = new FileStream(S"DataFile.soap", FileMode::Open);
   try 
   {
      SoapFormatter* formatter = new SoapFormatter();

      // Deserialize the hashtable from the file and 
      // assign the reference to our local variable.
      addresses = dynamic_cast<Hashtable*>(formatter->Deserialize(fs));
   }
   catch (SerializationException* e) 
   {
      Console::WriteLine(S"Failed to deserialize. Reason: {0}", e->Message);
      throw;
   }
   __finally 
   {
      fs->Close();
   }

   // To prove that the table deserialized correctly, 
   // display the keys/values to the console.
   IEnumerator* myEnum = addresses->GetEnumerator();
   while (myEnum->MoveNext()) 
   {
      DictionaryEntry* de = __try_cast<DictionaryEntry*>(myEnum->Current);
      Console::WriteLine(S" {0} lives at {1}.", de->Key, de->Value);
   }
}

[STAThread]
int main() 
{
   Serialize();
   Deserialize();
}

[JScript] No example is available for JScript. To view a Visual Basic, C#, or C++ example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

.NET Framework Security: 

See Also

SoapFormatter Class | SoapFormatter Members | System.Runtime.Serialization.Formatters.Soap Namespace | SoapFormatter Constructor Overload List

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