' A New 'HttpWebRequest' object is created.
Dim myHttpWebRequest1 As HttpWebRequest = WebRequest.Create("http://www.contoso.com")
myHttpWebRequest1.AddRange(1000)
Console.WriteLine("Call AddRange(1000)")
      Console.Write("Resulting Headers: ")
      Console.WriteLine(myHttpWebRequest1.Headers.ToString())

Dim myHttpWebRequest2 As HttpWebRequest = WebRequest.Create("http://www.contoso.com")
myHttpWebRequest2.AddRange(-1000)
Console.WriteLine("Call AddRange(-1000)")
      Console.Write("Resulting Headers: ")
      Console.WriteLine(myHttpWebRequest2.Headers.ToString())

' A New 'HttpWebRequest' objetc is created.
Dim myHttpWebRequest As HttpWebRequest = WebRequest.Create("http://www.contoso.com")
myHttpWebRequest.AddRange(50, 150)
Console.WriteLine("Call AddRange(50, 150)")
      Console.Write("Resulting Request Headers: ")
      Console.WriteLine(myHttpWebRequest.Headers.ToString())

' The response object of 'HttpWebRequest' is assigned to a 'HttpWebResponse' variable.
Dim myHttpWebResponse As HttpWebResponse = CType(myHttpWebRequest.GetResponse(), HttpWebResponse)

' Displays the headers in the response received
Console.Write("Resulting Response Headers: ")
      Console.WriteLine(myHttpWebResponse.Headers.ToString())

' Displaying the contents of the page to the console
Dim streamResponse As Stream = myHttpWebResponse.GetResponseStream()
Dim streamRead As New StreamReader(streamResponse)
Dim readBuffer(256) As [Char]
Dim count As Integer = streamRead.Read(readBuffer, 0, 256)
Console.WriteLine(ControlChars.Cr + "The HTML contents of the page from 50th to 150 charaters are :" + ControlChars.Cr + "  ")
While count > 0
    Dim outputData As New [String](readBuffer, 0, count)
    Console.WriteLine(outputData)
    count = streamRead.Read(readBuffer, 0, 256)
End While
' Release the response object resources.
 streamRead.Close()
 streamResponse.Close()
myHttpWebResponse.Close()