Private Sub InitializeStreamBitmap()
    Try
        Dim request As System.Net.WebRequest = _
            System.Net.WebRequest.Create( _
            "http://www.microsoft.com//h/en-us/r/ms_masthead_ltr.gif")
        Dim response As System.Net.WebResponse = request.GetResponse()
        Dim responseStream As System.IO.Stream = response.GetResponseStream()
        Dim bitmap2 As New Bitmap(responseStream)
        PictureBox1.Image = bitmap2

    Catch ex As System.Net.WebException
        MessageBox.Show("There was an error opening the image file. Check the URL")
    End Try
End Sub

private void InitializeStreamBitmap()
{
    try
    {
        System.Net.WebRequest request = 
            System.Net.WebRequest.Create(
            "http://www.microsoft.com//h/en-us/r/ms_masthead_ltr.gif");
        System.Net.WebResponse response = request.GetResponse();
        System.IO.Stream responseStream = 
            response.GetResponseStream();
        Bitmap bitmap2 = new Bitmap(responseStream);
        PictureBox1.Image = bitmap2;

    }
    catch(System.Net.WebException)
    {
        MessageBox.Show("There was an error opening the image file."
           + "Check the URL");
    }
}

void InitializeStreamBitmap()
{
   try
   {
      System::Net::WebRequest^ request = System::Net::WebRequest::Create( "http://www.microsoft.com//h/en-us/r/ms_masthead_ltr.gif" );
      System::Net::WebResponse^ response = request->GetResponse();
      System::IO::Stream^ responseStream = response->GetResponseStream();
      Bitmap^ bitmap2 = gcnew Bitmap( responseStream );
      PictureBox1->Image = bitmap2;
   }
   catch ( System::Net::WebException^ ) 
   {
      MessageBox::Show( "There was an error opening the image file."
      "Check the URL" );
   }

}