Mega Code Archive
Dns BeginResolve
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Imports System.Net
Imports System.Net.Sockets
Public Class Tester
Public Shared Sub Main
Dim myThread As Threading.Thread
myThread = New Threading.Thread(AddressOf BeginResolveIP)
myThread.Start()
End Sub
Private Shared Sub BeginResolveIP()
Try
Dim myAsyncCallback As New AsyncCallback(AddressOf GetIPList)
Dim myIAsyncResult As IAsyncResult = Dns.BeginResolve("www.google.com", myAsyncCallback, Nothing)
Do While Not myIAsyncResult.IsCompleted
Threading.Thread.Sleep(10)
Loop
Threading.Thread.Sleep(2000)
Catch ex As SocketException
Console.WriteLine(ex.Message)
End Try
End Sub
Private Shared Sub GetIPList(ByVal pIAsyncResult As IAsyncResult)
Dim myIPHostEntry As IPHostEntry
myIPHostEntry = Dns.EndResolve(pIAsyncResult)
Dim myIPAddresses() As IPAddress = myIPHostEntry.AddressList
Dim myIPAddress As IPAddress
For Each myIPAddress In myIPAddresses
Console.WriteLine(myIPAddress.ToString)
Next
End Sub
End Class
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