CodeDomProvider to Target .Net 1.1

I have a project that is being written in VB.Net 3.5. The idea of this project (part of it) is to generate a compiled assembly at runtime. The user of the generated assembly is a service which is written in .Net 1.1 framework and at this time is not scheduled for a conversion.

I have the following code as shown below. This works fine and does generate the assembly, but in .Net 3.5 target framework. How can I target 1.1??

I have tried

Dim provOpt = New Dictionary(Of String, String)
            provOpt.Add("CompilerVersion", "v1.1.4322")

This does not work and throws out an error as "Compiler executable file vbc.exe cannot be found".

I have tried v1.1, just 1.1 and other possible combinations!

I absolutely need a solution to this and the target framework has to be 1.1 and the code needs to be written in 3.5 as the entire project is going to make use of it.

Please help.

Thanks,
Suj

Dim Compiler As VBCodeProvider = Nothing
    Dim pvdr As CodeDomProvider
    Dim CompilerParams As CompilerParameters
    Dim CompileResults As CompilerResults

    Public Function CompileCode() As String
        Dim strReturn As String = ""
        Try
            CompilerParams = New CompilerParameters
            With CompilerParams
                .TreatWarningsAsErrors = False
                .WarningLevel = 4
                .GenerateInMemory = False
                .IncludeDebugInformation = True

                Dim References() As String = {"System.dll", "System.Data.dll", "Microsoft.VisualBasic.dll"}
                .ReferencedAssemblies.AddRange(References)
                .OutputAssembly = "C:\Projects\ThisIsATestDLL.dll"

            End With

            Dim provOpt = New Dictionary(Of String, String)
            provOpt.Add("CompilerVersion", "v3.5")


            Compiler = New VBCodeProvider(provOpt)


            CompileResults = Compiler.CompileAssemblyFromFile(CompilerParams, "C:\RandD\VS08\TestClassLib\Test.vb")

            If CompileResults.Errors.HasErrors Then
                For Each Err As CodeDom.Compiler.CompilerError In CompileResults.Errors
                    strReturn &= Err.ErrorText & " @Line: " & Err.Line & vbCrLf
                Next
            End If

        Catch ex As Exception
            Throw New Exception(ex.Message, ex)
        End Try
        Return strReturn
    End Function

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