serialization - 手動でデシリアライズする方法

Question

私はこの弦を持っています

{\"Data\":null,\"ErrorCode\":0,\"IsSuccess\":false,\"Message\":\"No hay informacion para descargar\",\"SuccessCode\":100}

{\"Data\":{\"BranchCodes\":[\"30\"],\"ProcessId\":86},\"ErrorCode\":0,\"IsSuccess\":true,\"Message\":null,\"SuccessCode\":0}

{\"Data\":{\"BranchCodes\":[\"30\",\"97\"],\"ProcessId\":87},\"ErrorCode\":0,\"IsSuccess\":true,\"Message\":null,\"SuccessCode\":0}

このオブジェクトに変換したい

Class WorkGroupMetric
    Public Property Data() As Data
        Get
            Return m_Data
        End Get
        Set(ByVal value As Data)
            m_Data = Value
        End Set
    End Property
    Private m_Data As Data

    Public Property ErrorCode() As Integer
        Get
            Return m_ErrorCode
        End Get
        Set(ByVal value As Integer)
            m_ErrorCode = Value
        End Set
    End Property
    Private m_ErrorCode As Integer

    Public Property IsSuccess() As Boolean
        Get
            Return m_IsSuccess
        End Get
        Set(ByVal value As Boolean)
            m_IsSuccess = Value
        End Set
    End Property
    Private m_IsSuccess As Boolean

    Public Property Message() As String
        Get
            Return m_Message
        End Get
        Set(ByVal value As String)
            m_Message = Value
        End Set
    End Property
    Private m_Message As String

    Public Property SuccessCode() As Integer
        Get
            Return m_SuccessCode
        End Get
        Set(ByVal value As Integer)
            m_SuccessCode = Value
        End Set
    End Property
    Private m_SuccessCode As Integer

End Class

Public Class Data
    Public Property BranchCodes() As List(Of String)
        Get
            Return m_BranchCodes
        End Get
        Set(ByVal value As List(Of String))
            m_BranchCodes = value
        End Set
    End Property
    Private m_BranchCodes As List(Of String)
    Public Property ProcessId() As Integer
        Get
            Return m_ProcessId
        End Get
        Set(ByVal value As Integer)
            m_ProcessId = Value
        End Set
    End Property
    Private m_ProcessId As Integer
End Class

Visual Studio 2005 で ssis の scriptask を使用してこれを行っています。JavaScriptSerializer などを使用することはできません。これは手動で行う必要があります。