Public Class PlugInConnector
    Public Shared Function LoadPlugIn(ByVal strFile As String) _
        As PlugInInterface.IPlugIn
 
        Try
            Dim vPlugIn As PlugInInterface.IPlugIn
            Dim f1 As New System.IO.FileStream(strFile, IO.FileMode.Open)
            Dim rawAssemblyBytes(f1.Length) As Byte
            f1.Read(rawAssemblyBytes, 0, f1.Length)
            f1.Close()
            Dim a As System.Reflection.Assembly = _
                AppDomain.CurrentDomain.Load(rawAssemblyBytes)
 
            vPlugIn = CType(a.CreateInstance("TestPlugIn.PlugIn"), _
                PlugInInterface.IPlugIn)
 
            Return vPlugIn
        Catch ex As Exception
            Return Nothing
        End Try
    End Function
End Class