public void ScanNetworks()
{
try
{
_interface.Scan();
}
catch (NullReferenceException)
{
// This shouldn't be throwing an exception, but it can sometimes.
// _interface should always be initialized by the time this call is made
// Init() is called before the scan loop is started and will not start scanning if the interface is null
}
}
private void timer1_Tick(object sender, EventArgs e)
{
try
{
if (checkBox1.Checked)
{
listView1.Items.Clear();
if (listBox1.SelectedItem != null)
{
WlanInterface wlanIface = client.Interfaces.Where(s => s.InterfaceDescription.Equals(listBox1.SelectedItem.ToString())).First();
try
{
if (wlanIface.InterfaceState == WlanInterfaceState.Connected)
{
connectedSSID = wlanIface.CurrentConnection.profileName;
label1.Text = "Current connection: " + connectedSSID + " " + wlanIface.CurrentConnection.isState;
button3.Enabled = true;
}
else
{
connectedSSID = string.Empty;
label1.Text = "Current connection: " + wlanIface.InterfaceState;
button3.Enabled = false;
}
}
catch {
connectedSSID = string.Empty;
label1.Text = "Current connection: " + wlanIface.InterfaceState;
button3.Enabled = false;
}
wlanIface.Scan();
WlanAvailableNetwork[] networks = wlanIface.GetAvailableNetworkList(WlanGetAvailableNetworkFlags.IncludeAllAdhocProfiles);
foreach (WlanAvailableNetwork network in networks.GroupBy(x => GetStringForSSID(x.dot11Ssid)).Select(y => y.First()).OrderByDescending(r => r.wlanSignalQuality))
{
ListViewItem li = new ListViewItem();
li.Text = GetStringForSSID(network.dot11Ssid);
li.SubItems.Add(network.networkConnectable.ToString());
li.SubItems.Add(network.wlanSignalQuality.ToString());
li.SubItems.Add(network.dot11DefaultCipherAlgorithm.ToString());
li.SubItems.Add(network.dot11DefaultAuthAlgorithm.ToString());
li.SubItems.Add(network.securityEnabled.ToString());
try
{
WlanProfileInfo[] wpi = wlanIface.GetProfiles().Where(s => s.profileName.Equals(li.Text)).ToArray();
li.Tag = (wpi.Length > 0 && wlanIface.InterfaceState != WlanInterfaceState.Connected) ? "true" : "false";
}
catch {
li.Tag = "false";
}
if (selectedSSID == li.Text)
{
li.Selected = true;
if (li.Tag.ToString() == "true")
{
button2.Enabled = true;
}
else
{
button2.Enabled = false;
}
}
if (connectedSSID == li.Text)
{
li.ForeColor = Color.White;
li.BackColor = Color.Green;
}
else
{
li.ForeColor = Color.Black;
li.BackColor = Color.LightCyan;
}
listView1.Items.Add(li);
}
}
/*foreach (AccessPoint ap in wifi.GetAccessPoints())
* {
* ListViewItem li = new ListViewItem();
* li.Text = ap.Name;
* li.SubItems.Add(ap.SignalStrength.ToString());
* li.SubItems.Add(ap.Interface.Channel.ToString());
* li.SubItems.Add(ap.HasProfile.ToString());
* li.SubItems.Add(ap.IsConnected.ToString());
* li.SubItems.Add(ap.IsSecure.ToString());
* if (selectedSSID == li.Text)
* {
* li.Selected = true;
* }
* if (connectedSSID == li.Text)
* {
* li.ForeColor = Color.White;
* li.BackColor = Color.Green;
* }
* else
* {
* li.ForeColor = Color.Black;
* li.BackColor = Color.LightCyan;
* }
* listView1.Items.Add(li);
* }*/
}
}
catch
{
}
}
