Public Shared Function DeleteFileOnServer(ByVal serverUri As Uri) As Boolean
    ' The serverUri parameter should use the ftp:// scheme.
    ' It contains the name of the server file that is to be deleted.
    ' Example: ftp://contoso.com/someFile.txt.
    ' 

    If serverUri.Scheme <> Uri.UriSchemeFtp Then
        Return False
    End If
    ' Get the object used to communicate with the server.
    Dim request As FtpWebRequest = CType(WebRequest.Create(serverUri), FtpWebRequest)
    request.Method = WebRequestMethods.Ftp.DeleteFile

    Dim response As FtpWebResponse = CType(request.GetResponse(), FtpWebResponse)
    Console.WriteLine("Delete status: {0}", response.StatusDescription)
    response.Close()
    Return True
End Function

public static bool DeleteFileOnServer(Uri serverUri)
{
    // The serverUri parameter should use the ftp:// scheme.
    // It contains the name of the server file that is to be deleted.
    // Example: ftp://contoso.com/someFile.txt.
    // 

    if (serverUri.Scheme != Uri.UriSchemeFtp)
    {
        return false;
    }
    // Get the object used to communicate with the server.
    FtpWebRequest request = (FtpWebRequest)WebRequest.Create(serverUri);
    request.Method = WebRequestMethods.Ftp.DeleteFile;

    FtpWebResponse response = (FtpWebResponse) request.GetResponse();
    Console.WriteLine("Delete status: {0}",response.StatusDescription);  
    response.Close();
    return true;
}

static bool DeleteFileOnServer( Uri^ serverUri )
{
   // The serverUri parameter should use the ftp:// scheme.
   // It contains the name of the server file that is to be deleted.
   // Example: ftp://contoso.com/someFile.txt.
   // 
   if ( serverUri->Scheme != Uri::UriSchemeFtp )
   {
      return false;
   }

   // Get the object used to communicate with the server.
   FtpWebRequest^ request = dynamic_cast<FtpWebRequest^>(WebRequest::Create( serverUri ));
   request->Method = WebRequestMethods::Ftp::DeleteFile;
   FtpWebResponse^ response = dynamic_cast<FtpWebResponse^>(request->GetResponse());
   Console::WriteLine( "Delete status: {0}", response->StatusDescription );
   response->Close();
   return true;
}