Can't find PInvoke DLL 'sqlceme30.dll'

Hello
I apologize for asking but in Windows Mobile I am using code to generate my database.

In my module I have the following declaration:
Public conn As New SqlCeConnection( _
    "Data Source=\My Documents\Warf.sdf")

This is used in a Sub below called:
Public Sub createWarfDB()

In my emulator but not on my iPaq i get the same annoying message:
Can't find PInvoke DLL 'sqlceme30.dll'

I have added the dll file to bin\debug and have attempted to load the dll file
 Dim ipfilename As String = "\bin\debug\sqlceme30.dll"
<DllImport("coredll", SetLastError:=True, CharSet:=CharSet.Auto)> _
    Public Function ShowSQLCEME30(ByVal ipfilename As IntPtr) As String

    End Function
I still get the same annoying message:
Can't find PInvoke DLL 'sqlceme30.dll'

Will someone be kind enough to help?
Thanks
Scott

Imports System.Data.SqlServerCe
Imports System.Data
Imports System.IO
Imports System.Runtime.InteropServices
 
Module modDatabase
Public ds As DataSet
 
Dim ipfilename As String = "\bin\debug\sqlceme30.dll"
    <DllImport("coredll", SetLastError:=True, CharSet:=CharSet.Auto)> _
    Public Function ShowSQLCEME30(ByVal ipfilename As IntPtr) As String
 
    End Function
    
    Public conn As New SqlCeConnection( _
    "Data Source=\My Documents\Warf.sdf")
 
Public Sub createWarfDB()
        'if database does not exist, create one
        Try
            If Not File.Exists( _
            "\My Documents\Warf.sdf") Then
                Dim sqlEngine As New SqlCeEngine( _
                "Data Source=" & _
                "\My Documents\Warf.sdf")
                sqlEngine.CreateDatabase()
        //More Code
    Catch ex As Exception
            ex.Message.ToString()
        End Try
 End Sub
End Module

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