private void set_button1_Click(object sender, EventArgs e)
{
string hostname = textBox1.Text;
ping = HPing.ObjectFactory(textBox1.Text);
if (ping != null)
{
textBox2.Text = ping.GetTargetAddress();
}
else
{
textBox2.Text = "";
}
}
public static HPing ObjectFactory(string host){
HPing ping=new HPing();
try
{
ping.socket = new Socket(
AddressFamily.InterNetwork,
SocketType.Raw,
ProtocolType.Icmp);
ping.socket.SetSocketOption(
SocketOptionLevel.Socket,
SocketOptionName.SendTimeout,
1000);
}
catch (Exception)
{
MessageBox.Show("Raw Socket Creation failed, Are you a super-user?", "Error",
MessageBoxButtons.OK,MessageBoxIcon.Error);
return null;
}
try{
ping.target= new IPEndPoint(
Dns.GetHostEntry(host).AddressList[0],0);
string hn=Dns.GetHostName();
IPHostEntry en = Dns.GetHostEntry(hn);
IPAddress ipa=null;
foreach (IPAddress ip in en.AddressList)
{
if (ip.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
{
ipa = ip;
break;
}
}
ping.remoteEp = new IPEndPoint(en.AddressList[5], 0);
ping.socket.Bind(ping.remoteEp);
}catch(Exception){
MessageBox.Show("Failed Bind,Is the Address sure?", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
return null;
}
ping.pid=(UInt16)(Process.GetCurrentProcess().Id);
ping.oid=objectID++;
QueryPerformanceFrequency(ref ping.freq);
return ping;
}