compile and execute in runtime with codecom and scripting with vb.net

Im gonna try to explain my question, please be patient because my english sucks

I would like to know if it is possible to compile and run elements of the code of my project in runtime?

For example in my project I have this loop

            Do
                id = id + 1 
                bandera = bandera + 1
                arreglo = valvula(iteraciones(id).indice)
            Loop Until (bandera = 100)

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bandera and id are variables declared in a vb standard module in my project
arreglo it is an array declared in a vb standard module in my project
valvula is a function declared in a vb standard module in my project
iteraciones it is a "dictionary of" declared in a vb standard module in my project

I would like to know if it is possible to storage this code in a string and compile and execute that string in a runtime mode?
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My first option was to use codecom

eric moreau send me this nice example: http://emoreau.com/Entries/Articles/2011/07/Compiling-code-on-the-fly.aspx it works, but I cannot use it because I dont know how to call functions, variables or custom class declared outside the namespace of the dynamic code

Thats way I  tried with scripting in vb.net (using msscriptcontrol) with this example:

Option Strict Off
Option Explicit On
Imports System.Collections.Generic
Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim VBScript As MSScriptControl.ScriptControl
    Public valor As Double
    Public VBCode As String
    Public otro(2) As Double
    Public nuevo As New Dictionary(Of Integer, nodo)
    Public prueba As New nodo

    Private Sub Command1_Click(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles Command1.Click
        On Error GoTo line1
        VBScript.AddCode(VBCode)
        Exit Sub
line1:
        MsgBox(Err.Number & Err.Description, MsgBoxStyle.Critical, "error")
        Err.Clear()
    End Sub

    Private Sub Form1_Load(ByVal eventSender As System.Object, ByVal eventArgs As System.EventArgs) Handles MyBase.Load
        Dim prueba As New nodo
        otro(0) = 0
        prueba.uno = 1
        prueba.dos = 1
        nuevo.Add(1, prueba)
        VBCode = "form1.otro = form1.valvula(1,2,3)" & vbCr & _
"form1.valor = form1.funcion(13)" & vbCr & _
                 "MsgBox(Form1.valor)"
        VBScript = New MSScriptControl.ScriptControl
        VBScript.Language = "VBScript"
        VBScript.AddObject("Form1", Me)
        VBScript.AllowUI = True
    End Sub

    Function funcion(ByVal valores As Double) As Double
        valores = valores + 1
        funcion2()
        Return valores
    End Function

    Function valvula(ByVal dato1 As Integer, ByVal dato2 As Integer, ByVal dato3 As Integer) As Double()
        dato1 = dato1 + 1
        dato2 = dato2 + 1
        dato3 = dato3 + 1
        valvula = New Double() {dato1, dato2, dato3}
    End Function
End Class

Public Class nodo
    Public uno As Integer
    Public dos As Integer
End Class

Module Module1
    Public variable1 As Double = 120
    Public Sub funcion2()
        variable1 = variable1 + 1
        MsgBox(variable1)
    End Sub
End Module

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It works to, but the problem is that when I try to use code lines like this:
"form1.otro(0)=1" or "form1.dictionary(index).id = 1"  the program cannot compile that kind of lines.
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I would like to know what is the best option to use dynamic code

 if I use codecom if there is a way to call  variables, functions etc.. declared in my program from the dynamic code

And if I use scripting with vb.net why when I try to use lines like "form1.otro(0)=1" or "form1.dictionary(index).id = 1"  the program cannot compile that kind of lines.