Подключение "хитрой" DLL к проекту

Function GetStreamReader(ByVal path) As StreamReader
    Dim stream As FileStream = Nothing
 
    Try
        stream = File.OpenRead(path)
 
        Dim fileEncoding As Encoding = Encoding.UTF8
        Dim detector As New CharsetDetector
        detector.Feed(stream)
        detector.DataEnd()
        If detector.Charset IsNot Nothing Then
            fileEncoding = Encoding.GetEncoding(detector.Charset)
        End If
 
        stream.Position = 0
        Return New StreamReader(stream, fileEncoding)
    Catch
        If stream IsNot Nothing Then stream.Close()
 
        Throw
    End Try
 
End Function

Dim detector As New CharsetDetector

Option Explicit
Private Const IS_TEXT_UNICODE_ASCII16 = &H1
Private Const IS_TEXT_UNICODE_CONTROLS = &H4
Private Const IS_TEXT_UNICODE_DBCS_LEADBYTE = &H400
Private Const IS_TEXT_UNICODE_ILLEGAL_CHARS = &H100
Private Const IS_TEXT_UNICODE_NOT_ASCII_MASK = &HF000
Private Const IS_TEXT_UNICODE_NOT_UNICODE_MASK = &HF00
Private Const IS_TEXT_UNICODE_NULL_BYTES = &H1000
Private Const IS_TEXT_UNICODE_ODD_LENGTH = &H200
Private Const IS_TEXT_UNICODE_REVERSE_ASCII16 = &H10
Private Const IS_TEXT_UNICODE_REVERSE_CONTROLS = &H40
Private Const IS_TEXT_UNICODE_REVERSE_MASK = &HF0
Private Const IS_TEXT_UNICODE_REVERSE_SIGNATURE = &H80
Private Const IS_TEXT_UNICODE_REVERSE_STATISTICS = &H20
Private Const IS_TEXT_UNICODE_SIGNATURE = &H8
Private Const IS_TEXT_UNICODE_STATISTICS = &H2
Private Const IS_TEXT_UNICODE_UNICODE_MASK = &HF
Private Declare Function IsTextUnicode Lib "advapi32" (ByVal lpBuffer As String, ByVal cb As Long, lpi As Long) As Long
Private Declare Function IsTextPointerUnicode Lib "advapi32" Alias "IsTextUnicode" (ByVal lpBuffer As Long, ByVal cb As Long, lpi As Long) As Long
Private Sub Form_Load()
   
    Dim MyString As String
    MyString = "Hello"
    'This example shows the difference between passing a string as 'String' to an API function
    'or passing a string as 'Long'.
    'If you pass a string as 'String', VB will convert the unicode string to ANSI first.
    Debug.Print "Is the parameter (passed as String) unicode? " & CBool(IsTextUnicode(MyString, Len(MyString), IS_TEXT_UNICODE_STATISTICS))
    Debug.Print "Is the parameter (passed as Long) unicode? " & CBool(IsTextPointerUnicode(StrPtr(MyString), Len(MyString), IS_TEXT_UNICODE_STATISTICS))
End Sub