BinaryFormatter クラスの新しいインスタンスを既定値で初期化します。
名前空間: System.Runtime.Serialization.Formatters.Binary
アセンブリ: mscorlib (mscorlib.dll 内)
構文
'宣言
Public Sub New
'使用
Dim instance As New BinaryFormatter
public BinaryFormatter ()
public:
BinaryFormatter ()
public BinaryFormatter ()
public function BinaryFormatter ()
適用できません。
解説
このコンストラクタは、次のように BinaryFormatter オブジェクトのプロパティを設定します。
プロパティの型 |
説明 |
|---|---|
null 参照 (Visual Basic では Nothing) |
|
シリアル化されたデータを他の任意のコンテキストとの間で送受信できることを示す値を格納した StreamingContext。 (StreamingContextStates.All) |
使用例
Imports System.IO
Imports System.Collections
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization
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.
' In this case, use a file stream.
Dim fs As New FileStream("DataFile.dat", FileMode.Create)
' Construct a BinaryFormatter and use it to serialize the data to the stream.
Dim formatter As New BinaryFormatter
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.dat", FileMode.Open)
Try
Dim formatter As New BinaryFormatter
' 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.
Dim de As DictionaryEntry
For Each de In addresses
Console.WriteLine("{0} lives at {1}.", de.Key, de.Value)
Next
End Sub
End Module
using System;
using System.IO;
using System.Collections;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;
public 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.
// In this case, use a file stream.
FileStream fs = new FileStream("DataFile.dat", FileMode.Create);
// Construct a BinaryFormatter and use it to serialize the data to the stream.
BinaryFormatter formatter = new BinaryFormatter();
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.dat", FileMode.Open);
try
{
BinaryFormatter formatter = new BinaryFormatter();
// 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.
foreach (DictionaryEntry de in addresses)
{
Console.WriteLine("{0} lives at {1}.", de.Key, de.Value);
}
}
}
using namespace System;
using namespace System::IO;
using namespace System::Collections;
using namespace System::Runtime::Serialization::Formatters::Binary;
using namespace System::Runtime::Serialization;
ref class App
{
public:
static 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.
// In this case we will use a file stream.
FileStream^ fs = gcnew FileStream( "DataFile.dat",FileMode::Create );
// Construct a BinaryFormatter and use it to serialize the data to the stream.
BinaryFormatter^ formatter = gcnew BinaryFormatter;
try
{
formatter->Serialize( fs, addresses );
}
catch ( SerializationException^ e )
{
Console::WriteLine( "Failed to serialize. Reason: {0}", e->Message );
throw;
}
finally
{
fs->Close();
}
}
static 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.dat",FileMode::Open );
try
{
BinaryFormatter^ formatter = gcnew BinaryFormatter;
// 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.
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()
{
App::Serialize();
App::Deserialize();
return 0;
}
import System.*;
import System.IO.*;
import System.Collections.*;
import System.Runtime.Serialization.Formatters.Binary.*;
import System.Runtime.Serialization.*;
public class App
{
/** @attribute STAThread()
*/
public static void main(String[] args) throws SerializationException
{
Serialize();
Deserialize();
} //main
static void Serialize() throws SerializationException
{
// 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.
// In this case, use a file stream.
FileStream fs = new FileStream("DataFile.dat", FileMode.Create);
// Construct a BinaryFormatter and use it to serialize the data to the
// stream.
BinaryFormatter formatter = new BinaryFormatter();
try {
formatter.Serialize(fs, addresses);
}
catch (SerializationException e) {
Console.WriteLine("Failed to serialize. Reason: "
+ e.get_Message());
throw e;
}
finally {
fs.Close();
}
} //Serialize
static void Deserialize() throws SerializationException
{
// Declare the hashtable reference.
Hashtable addresses = null;
// Open the file containing the data that you want to deserialize.
FileStream fs = new FileStream("DataFile.dat", FileMode.Open);
try {
BinaryFormatter formatter = new BinaryFormatter();
// 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.get_Message());
throw e;
}
finally {
fs.Close();
}
// To prove that the table deserialized correctly,
// display the key/value pairs.
IEnumerator objEnum = addresses.GetEnumerator();
while (objEnum.MoveNext()) {
DictionaryEntry de = (DictionaryEntry)objEnum.get_Current();
Console.WriteLine("{0} lives at {1}.", de.get_Key(),
de.get_Value());
}
} //Deserialize
} //App
プラットフォーム
Windows 98,Windows Server 2000 SP4,Windows CE,Windows Millennium Edition,Windows Mobile for Pocket PC,Windows Mobile for Smartphone,Windows Server 2003,Windows XP Media Center Edition,Windows XP Professional x64 Edition,Windows XP SP2,Windows XP Starter Edition
Microsoft .NET Framework 3.0 は Windows Vista,Microsoft Windows XP SP2,および Windows Server 2003 SP1 でサポートされています。
バージョン情報
.NET Framework
サポート対象 : 3.0,2.0,1.1,1.0
参照
関連項目
BinaryFormatter クラス
BinaryFormatter メンバ
System.Runtime.Serialization.Formatters.Binary 名前空間