How to get Mac Address of a computer using IP Address.

using

System;

using

System.Diagnostics ;

namespace

GetMacAddressFromIPAddress

{

public class GetMacAddressFromIPAddress

{

public GetMacAddressFromIPAddress()

{

}

public string GetMacAddress(string IPAddress)

{

string strMacAddress = string.Empty ;

try

{

string strTempMacAddress= string.Empty ;

ProcessStartInfo objProcessStartInfo =

new ProcessStartInfo();

Process objProcess =

new Process();

objProcessStartInfo.FileName = “nbtstat”;

objProcessStartInfo.RedirectStandardInput =

false;

objProcessStartInfo.RedirectStandardOutput =

true;

objProcessStartInfo.Arguments = “-A ” + IPAddress;

objProcessStartInfo.UseShellExecute =

false;

objProcess = Process.Start(objProcessStartInfo);

int Counter = -1;

while (Counter <= -1)

{

Counter = strTempMacAddress.Trim().ToLower().IndexOf(“mac address”, 0);

if (Counter > -1)

{

break;

}

strTempMacAddress = objProcess.StandardOutput.ReadLine();

}

objProcess.WaitForExit();

strMacAddress = strTempMacAddress.Trim();

}

catch (Exception Ex)

{

Console.WriteLine(Ex.ToString());

Console.ReadLine();

}

return strMacAddress;

}

}

class GetMacAddressFromIPAddressMainClass

{

[STAThread]

static void Main(string[] args)

{

string IPAddress = “xxx.xxx.xxx.xxx”;

GetMacAddressFromIPAddress objGetMacAddress= new GetMacAddressFromIPAddress();

string MacAddress =objGetMacAddress.GetMacAddress(IPAddress);

Console.WriteLine(MacAddress);

Console.ReadLine();

}

}

}

引文来源  How to get Mac Address of a computer using IP Address. – .Net Articles & Samples