Mega Code Archive
SOAP serialization and deserialization for a derived Class
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Imports System
Imports System.IO
Imports System.Runtime.Serialization
Imports System.Runtime.Serialization.Formatters.Binary
Imports System.Runtime.Serialization.Formatters.Soap
Public Class Tester
Public Shared Sub Main
Dim myClsSerializable As New ClsInherits()
SerializeSoap(myClsSerializable)
Console.WriteLine(FileContent(False))
Dim myFileStream As FileStream
myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
Dim myFormatter As New SoapFormatter()
myClsSerializable = CType(myFormatter.Deserialize(myFileStream), ClsSerializable)
Console.WriteLine(myClsSerializable.strMessage)
End Sub
Private Shared Function FileContent(ByVal blnBinary As Boolean) As String
Dim strContent As String
Dim myStreamReader As StreamReader
Dim myFileStream As FileStream
Dim i As Integer
Try
myFileStream = New FileStream("test.dat", FileMode.Open, FileAccess.Read)
If blnBinary = True Then
For i = 1 To myFileStream.Length
strContent += myFileStream.ReadByte.ToString + " "
Next
Else
myStreamReader = New StreamReader(myFileStream)
strContent = myStreamReader.ReadToEnd
End If
myFileStream.Flush()
myFileStream.Close()
Return strContent
Catch ex As IOException
Console.WriteLine(ex.Message)
End Try
End Function
Private Shared Sub SerializeSoap(ByVal myClsSerializable As ClsSerializable)
Dim myFileStream As FileStream
Dim myBFormatter As SoapFormatter = New SoapFormatter()
Try
myFileStream = New FileStream("test.dat", FileMode.Create, FileAccess.Write)
myBFormatter.Serialize(myFileStream, myClsSerializable)
myFileStream.Flush()
myFileStream.Close()
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
End Sub
End Class
<Serializable()> _
Public Class ClsInherits
Inherits ClsSerializable
Public intInNumber As Integer
Public strInMessage As String
Public Sub New()
intInNumber = 1024
End Sub
Public Sub New(ByVal info As SerializationInfo, ByVal context As StreamingContext)
MyBase.New(info, context)
intInNumber = CInt(info.GetValue("n", intInNumber.GetType))
End Sub
Public Overrides Sub GetObjectData _
(ByVal info As SerializationInfo, ByVal context As StreamingContext)
MyBase.GetObjectData(info, context)
info.AddValue("n", intInNumber)
End Sub
End Class
<Serializable()> _
Public Class ClsSerializable
Implements ISerializable
Public intNumber As Integer = 1000
Public strMessage As String = "this is a string"
Public lngTest As Long
Public intArrayX(10) As Integer
Public intArrayY(10) As Integer
Public Sub New()
ChangeMmberValue()
End Sub
Public Overridable Sub GetObjectData _
(ByVal info As SerializationInfo, ByVal context As StreamingContext) _
Implements ISerializable.GetObjectData
info.AddValue("intNumber", intNumber)
info.AddValue("message", strMessage)
info.AddValue("intArrayX", intArrayX)
End Sub
Public Sub New _
(ByVal info As SerializationInfo, ByVal context As StreamingContext)
intNumber = CInt(info.GetValue("intNumber", intNumber.GetType))
strMessage = CStr(info.GetValue("message", strMessage.GetType))
intArrayX = info.GetValue("intArrayX", intArrayX.GetType)
End Sub
Public Sub ChangeMmberValue()
Dim i As Integer
For i = 0 To 9
intArrayX(i) = i * 100
Next i
intNumber = 2000
strMessage = "this is another string"
End Sub
End Class
2000
this is another string
1024
0
100
200
300
400
500
600
700
800
900
0
this is another string
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