[Visual Basic] Med sabo povezani formi

Interface A {
 void igrajIzbranoPesem(string mp3Path)
}

Forma1 implements A
{
   private Player p;
   private Form b;
   Public Forma1()
{
p = new Player();
b = new Form();
b.RegisterSongSelector(this);
}
  public void igrajIzbranoPesem(string mp3Path)
  {
     p.play(mp3Path);
  }

  private void OdpriFormoB()
 {
   b.ShowModal();
 }
}

Forma2
{
  private A songRegistrator;
  Public Forma2()  { }
  public void RegisterSongSelector(A tmpSongRegistrator)
  {
     songRegistrator = tmpSongRegistrator;
  }

  private void IzberiKomad()
 {
   FileDialog dlg = new FileDialog ();
   ...
   songRegistrator.igrajIzbranoPesem(dlg.path);
 }
}