private void ValidateIP(object sender, CancelEventArgs e)
{
var mb = (MaskedTextBox)sender;
string ip = Regex.Replace(mb.Text, @"\s+", "");
if (ip.Split(new char[] { '.' }, StringSplitOptions.RemoveEmptyEntries).Length == 4)
{
IPAddress ipAddr;
if (IPAddress.TryParse(ip, out ipAddr))
{
// valid IP
IPerrorProvider.SetError(mb, String.Empty);
}
else
{
// invalid IP
IPerrorProvider.SetError(mb, "Invalid IP entered");
}
}
else
{
// invalid IP
IPerrorProvider.SetError(mb, "Invalid IP entered");
}
}
private void SwapDNS()
{
if (NIC_select.SelectedIndex != -1 && string.IsNullOrEmpty(IPerrorProvider.GetError(DNS_1)) && string.IsNullOrEmpty(IPerrorProvider.GetError(DNS_2)))
{
// Get current DNS server
IPAddress DNS_servers = NetworkManagement.getDNS(NIC_select.SelectedItem.ToString());
if (DNS_servers.Equals(IPAddress.Parse(Regex.Replace(DNS_1.Text, @"\s+", ""))))
{
callSwapDNS(NIC_select.SelectedItem.ToString(), Regex.Replace(DNS_2.Text, @"\s+", ""));
IPAddress ip = NetworkManagement.getDNS(NIC_select.SelectedItem.ToString());
if (ip.Equals(IPAddress.Parse(Regex.Replace(DNS_2.Text, @"\s+", ""))))
{
taskBarIcon.Icon = Resource1.icon_blue;
Icon = Resource1.icon_blue;
changeToggleBtnPosition(true);
}
else
{
taskBarIcon.Icon = Resource1.error;
}
}
else if (DNS_servers.Equals(IPAddress.Parse(Regex.Replace(DNS_2.Text, @"\s+", ""))))
{
callSwapDNS(NIC_select.SelectedItem.ToString(), Regex.Replace(DNS_1.Text, @"\s+", ""));
if (NetworkManagement.getDNS(NIC_select.SelectedItem.ToString()).Equals(IPAddress.Parse(Regex.Replace(DNS_1.Text, @"\s+", ""))))
{
taskBarIcon.Icon = Resource1.icon_red;
Icon = Resource1.icon_red;
changeToggleBtnPosition(false);
}
else
{
taskBarIcon.Icon = Resource1.error;
}
}
else
{
MessageBox.Show("Couldn't find any of the given DNS servers configured on the selected network interface", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
NetworkManagement.FlushDNSCache();
}
else
{
MessageBox.Show("Please select a network interface and enter 2 valid IPs", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
