C# Kolay DNS değiştirici program

[CODE lang="csharp" title="kolay dns değiştirici"]using System.Diagnostics;
using System.Net.NetworkInformation;

namespace dns_degistirici
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
this.Load += new EventHandler(Form1_Load);
radioButton1.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton2.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton3.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton4.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton5.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton6.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
radioButton7.CheckedChanged += new EventHandler(RadioButton_CheckedChanged);
}

private void Form1_Load(object sender, EventArgs e)
{
dugme_konum(false);
}

private void dugme_konum(bool state)
{
radioButton1.CheckedChanged -= RadioButton_CheckedChanged;
radioButton2.CheckedChanged -= RadioButton_CheckedChanged;
radioButton3.CheckedChanged -= RadioButton_CheckedChanged;
radioButton4.CheckedChanged -= RadioButton_CheckedChanged;
radioButton5.CheckedChanged -= RadioButton_CheckedChanged;
radioButton6.CheckedChanged -= RadioButton_CheckedChanged;
radioButton7.CheckedChanged -= RadioButton_CheckedChanged;

radioButton1.Checked = state;
radioButton2.Checked = state;
radioButton3.Checked = state;
radioButton4.Checked = state;
radioButton5.Checked = state;
radioButton6.Checked = state;
radioButton7.Checked = state;

radioButton1.CheckedChanged += RadioButton_CheckedChanged;
radioButton2.CheckedChanged += RadioButton_CheckedChanged;
radioButton3.CheckedChanged += RadioButton_CheckedChanged;
radioButton4.CheckedChanged += RadioButton_CheckedChanged;
radioButton5.CheckedChanged += RadioButton_CheckedChanged;
radioButton6.CheckedChanged += RadioButton_CheckedChanged;
radioButton7.CheckedChanged += RadioButton_CheckedChanged;
}

private void RadioButton_CheckedChanged(object sender, EventArgs e)
{
if (radioButton1.Checked)
{
dns_degistir("1.1.1.1", "1.0.0.1");
}
else if (radioButton2.Checked)
{
dns_degistir("8.8.8.8", "8.8.4.4");
}
else if (radioButton3.Checked)
{
dns_degistir("208.67.222.222", "208.67.220.220");
}
else if (radioButton4.Checked)
{
dns_degistir("9.9.9.9", "149.112.112.11");
}
else if (radioButton5.Checked)
{
dns_degistir("95.85.95.85", "2.56.220.2");
}
else if (radioButton6.Checked)
{
dns_degistir("8.26.56.26", "8.20.247.20");
}
else if (radioButton7.Checked)
{
dns_temizle();
}
}

private string adaptor_ad()
{
NetworkInterface[] interfaces = NetworkInterface.GetAllNetworkInterfaces();
foreach (NetworkInterface ni in interfaces)
{
if (ni.OperationalStatus == OperationalStatus.Up &&
(ni.NetworkInterfaceType == NetworkInterfaceType.Ethernet || ni.NetworkInterfaceType == NetworkInterfaceType.Wireless80211))
{
return ni.Name;
}
}
return null;
}

private void dns_degistir(string primaryDns, string secondaryDns)
{
string networkInterfaceName =adaptor_ad();
if (networkInterfaceName == null)
{
MessageBox.Show("Aktif ağ bağlantısı bulunamadı.", "Hata", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}

ProcessStartInfo psi = new ProcessStartInfo("netsh", $"interface ip set dns \"{networkInterfaceName}\" static {primaryDns}")
{
Verb = "runas",
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(psi);

psi.Arguments = $"interface ip add dns \"{networkInterfaceName}\" {secondaryDns} index=2";
Process.Start(psi);
}

private void dns_temizle()
{
string networkInterfaceName = adaptor_ad();
if (networkInterfaceName == null)
{
MessageBox.Show("Aktif ağ bağlantısı bulunamadı.", "Hata", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}

ProcessStartInfo psi = new ProcessStartInfo("netsh", $"interface ip set dns \"{networkInterfaceName}\" dhcp")
{
Verb = "runas",
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(psi);
}
}
}
[/CODE]