SoapFormatter Konstruktor
Definisi
Penting
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Menginisialisasi instans baru kelas SoapFormatter.
Overload
SoapFormatter() |
Menginisialisasi instans SoapFormatter baru kelas dengan nilai properti default. |
SoapFormatter(ISurrogateSelector, StreamingContext) |
Menginisialisasi instans SoapFormatter baru kelas dengan yang ditentukan ISurrogateSelector dan StreamingContext. |
SoapFormatter()
Menginisialisasi instans SoapFormatter baru kelas dengan nilai properti default.
public:
SoapFormatter();
public SoapFormatter ();
Public Sub New ()
Contoh
#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 = gcnew 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 keys/values),
// you must first open a stream for writing.
// We will use a file stream here.
FileStream^ fs = gcnew FileStream( "DataFile.soap",FileMode::Create );
// Construct a SoapFormatter and use it
// to serialize the data to the stream.
SoapFormatter^ formatter = gcnew SoapFormatter;
try
{
formatter->Serialize( fs, addresses );
}
catch ( SerializationException^ e )
{
Console::WriteLine( "Failed to serialize. Reason: {0}", e->Message );
throw;
}
finally
{
fs->Close();
}
}
void Deserialize()
{
// Declare the hashtable reference.
Hashtable^ addresses = nullptr;
// Open the file containing the data that we want to deserialize.
FileStream^ fs = gcnew FileStream( "DataFile.soap",FileMode::Open );
try
{
SoapFormatter^ formatter = gcnew 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( "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 = safe_cast<DictionaryEntry^>(myEnum->Current);
Console::WriteLine( " {0} lives at {1}.", de->Key, de->Value );
}
}
[STAThread]
int main()
{
Serialize();
Deserialize();
}
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);
}
}
}
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
Keterangan
Tabel berikut ini memperlihatkan nilai properti awal untuk instans SoapFormatter.
Properti | Nilai |
---|---|
SurrogateSelector | null |
Context | Yang baru StreamingContext diinisialisasi untuk menentukan bahwa data berseri dapat ditransmisikan ke atau diterima dari konteks lain |
Berlaku untuk
SoapFormatter(ISurrogateSelector, StreamingContext)
Menginisialisasi instans SoapFormatter baru kelas dengan yang ditentukan ISurrogateSelector dan StreamingContext.
public:
SoapFormatter(System::Runtime::Serialization::ISurrogateSelector ^ selector, System::Runtime::Serialization::StreamingContext context);
public SoapFormatter (System.Runtime.Serialization.ISurrogateSelector selector, System.Runtime.Serialization.StreamingContext context);
new System.Runtime.Serialization.Formatters.Soap.SoapFormatter : System.Runtime.Serialization.ISurrogateSelector * System.Runtime.Serialization.StreamingContext -> System.Runtime.Serialization.Formatters.Soap.SoapFormatter
Public Sub New (selector As ISurrogateSelector, context As StreamingContext)
Parameter
- selector
- ISurrogateSelector
ISurrogateSelector untuk digunakan dengan instans baru .SoapFormatter Bisa jadi null
.
- context
- StreamingContext
StreamingContext yang menyimpan sumber dan tujuan serialisasi. context
Jika parameter adalah null
, maka defaultnya Context ke CrossMachine.
Keterangan
Objek diserialisasikan ke, atau dideserialisasi dari, yang ditentukan Stream.
Proses serialisasi atau deserialisasi menggunakan yang ditentukan ISurrogateSelector untuk mencari pengganti yang terdaftar untuk jenis objek yang ingin Anda deserialisasi. Pengganti adalah pembantu yang menserialisasikan dan mendeserialisasi objek kelas tertentu. Default ISurrogateSelector tidak dapat menangani serialisasi objek yang berasal dari MarshalByRefObject untuk tujuan jarak jauh. Dalam situasi jarak jauh, yang ditentukan ISurrogateSelector menggantikan objek yang berasal dari MarshalByRefObject dengan ObjRef objek yang diserialisasikan oleh pemilih pengganti yang ditentukan. Oleh karena itu, jika Anda ingin menggunakan objek jarak jauh, atur selector
parameter ke instans RemotingSurrogateSelector. Jika Anda tidak memerlukan pengganti, atur parameter menjadi selector
null
.
Lihat juga
Berlaku untuk
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