static void Main(string[] args)
{
//1.首先回去句柄
uint serviceVersion = 0;
IntPtr handle = IntPtr.Zero;
uint result = WlanOpenHandle(2, IntPtr.Zero, out serviceVersion, ref handle);
if (result == 0)
{
try
{
//2.列举无线设备，如果你有几个无线网卡，这里就需要选择使用哪一个无线网卡设备
IntPtr ppInterfaceList = IntPtr.Zero;
WLAN_INTERFACE_INFO_LIST interfaceList;
result = WlanEnumInterfaces(handle, IntPtr.Zero, ref ppInterfaceList);
if (result == 0)
{
interfaceList = new WLAN_INTERFACE_INFO_LIST(ppInterfaceList);
//记得释放内存
WlanFreeMemory(ppInterfaceList);
//3.假设只有一个无线设备，通过这个无线设置获取可见网络列表
IntPtr ppAvailableNetworkList = new IntPtr();
result = WlanGetAvailableNetworkList(handle, ref interfaceList.InterfaceInfo[0].InterfaceGuid, 0x00000002, new IntPtr(), ref ppAvailableNetworkList);
if (result == 0)
{
WLAN_AVAILABLE_NETWORK_LIST wlan_available_network_list = new WLAN_AVAILABLE_NETWORK_LIST(ppAvailableNetworkList);
//这里也不要忘记释放内存
WlanFreeMemory(ppAvailableNetworkList);
//打印结果出来看看
for (int i = 0; i < wlan_available_network_list.wlanAvailableNetwork.Length; i++)
{
Console.WriteLine(wlan_available_network_list.wlanAvailableNetwork[i].dot11Ssid.ucSSID);
}
}
}
}
catch (Exception)
{
throw;
}
finally
{
//记得要关闭句柄
WlanCloseHandle(handle, IntPtr.Zero);
}
}
}
/// <summary>
/// 获取无线网络的过程
/// </summary>
public WLAN_AVAILABLE_NETWORK_LIST EnumerateAvailableNetwork()
{
WLAN_AVAILABLE_NETWORK_LIST wlanAvailableNetworkList = new WLAN_AVAILABLE_NETWORK_LIST();
uint serviceVersion = 0;
IntPtr handle = IntPtr.Zero;
int result;
result = (int)WlanOpenHandle(2, IntPtr.Zero, out serviceVersion, ref handle);
//Console.WriteLine(result);
IntPtr ppInterfaceList = IntPtr.Zero;
WLAN_INTERFACE_INFO_LIST interfaceList;
if (WlanEnumInterfaces(handle, IntPtr.Zero, ref ppInterfaceList) == 0)
{
interfaceList = new WLAN_INTERFACE_INFO_LIST(ppInterfaceList);
//Console.WriteLine("有{0}个无线网络适配器", interfaceList.dwNumberOfItems);
//Console.WriteLine("Enumerating Wireless Network Adapters...");
for (int i = 0; i < interfaceList.dwNumberOfItems; i++)
{
//Console.WriteLine("{0}", interfaceList.InterfaceInfo[i].strInterfaceDescription);
IntPtr ppAvailableNetworkList = new IntPtr();
Guid pInterfaceGuid = interfaceList.InterfaceInfo[i].InterfaceGuid;
WlanGetAvailableNetworkList(handle, ref pInterfaceGuid, 0x00000002, new IntPtr(), ref ppAvailableNetworkList);
wlanAvailableNetworkList = new WLAN_AVAILABLE_NETWORK_LIST(ppAvailableNetworkList);
WlanFreeMemory(ppAvailableNetworkList);
WlanCloseHandle(handle, IntPtr.Zero);
//for (int j = 0; j < wlanAvailableNetworkList.dwNumberOfItems; j++)
//{
// WLAN_AVAILABLE_NETWORK network = wlanAvailableNetworkList.wlanAvailableNetwork[j];
// Console.ForegroundColor = ConsoleColor.Red;
// Console.WriteLine("Available Network: ");
// Console.WriteLine("SSID: " + network.dot11Ssid.ucSSID);
// Console.WriteLine("StrProfile:" + network.strProfileName);
// Console.WriteLine("Encrypted: " + network.bSecurityEnabled);
// Console.WriteLine("Signal Strength: " + network.wlanSignalQuality);
// Console.WriteLine("Default Authentication: " +
// network.dot11DefaultAuthAlgorithm.ToString());
// Console.WriteLine("Default Cipher: " + network.dot11DefaultCipherAlgorithm.ToString());
// Console.WriteLine();
// Console.Read();
//}
return(wlanAvailableNetworkList);
}
}
return(wlanAvailableNetworkList);
}
/// <summary>
/// Gets SSIDs of available wireless LANs.
/// </summary>
/// <returns>SSIDs</returns>
public static IEnumerable <string> GetAvailableNetworkSsids()
{
var clientHandle = IntPtr.Zero;
var interfaceList = IntPtr.Zero;
var availableNetworkList = IntPtr.Zero;
try
{
uint negotiatedVersion;
if (WlanOpenHandle(
2, // Client version for Windows Vista and Windows Server 2008
IntPtr.Zero,
out negotiatedVersion,
out clientHandle) != ERROR_SUCCESS)
{
yield break;
}
if (WlanEnumInterfaces(
clientHandle,
IntPtr.Zero,
out interfaceList) != ERROR_SUCCESS)
{
yield break;
}
var interfaceInfoList = new WLAN_INTERFACE_INFO_LIST(interfaceList);
Debug.WriteLine("Interface count: {0}", interfaceInfoList.dwNumberOfItems);
foreach (var interfaceInfo in interfaceInfoList.InterfaceInfo)
{
if (WlanGetAvailableNetworkList(
clientHandle,
interfaceInfo.InterfaceGuid,
WLAN_AVAILABLE_NETWORK_INCLUDE_ALL_MANUAL_HIDDEN_PROFILES,
IntPtr.Zero,
out availableNetworkList) != ERROR_SUCCESS)
{
continue;
}
var networkList = new WLAN_AVAILABLE_NETWORK_LIST(availableNetworkList);
foreach (var network in networkList.Network)
{
Debug.WriteLine("Interface: {0}, SSID: {1}, Signal: {2}",
interfaceInfo.strInterfaceDescription,
network.dot11Ssid,
network.wlanSignalQuality);
yield return(network.dot11Ssid.ToString());
}
}
}
finally
{
if (availableNetworkList != IntPtr.Zero)
{
WlanFreeMemory(availableNetworkList);
}
if (interfaceList != IntPtr.Zero)
{
WlanFreeMemory(interfaceList);
}
if (clientHandle != IntPtr.Zero)
{
WlanCloseHandle(clientHandle, IntPtr.Zero);
}
}
}
/// <summary>
/// Gets SSIDs of available wireless LANs.
/// </summary>
/// <returns>SSIDs</returns>
public static IEnumerable<string> GetAvailableNetworkSsids()
{
var clientHandle = IntPtr.Zero;
var interfaceList = IntPtr.Zero;
var availableNetworkList = IntPtr.Zero;
try
{
uint negotiatedVersion;
if (WlanOpenHandle(
2, // Client version for Windows Vista and Windows Server 2008
IntPtr.Zero,
out negotiatedVersion,
out clientHandle) != ERROR_SUCCESS)
yield break;
if (WlanEnumInterfaces(
clientHandle,
IntPtr.Zero,
out interfaceList) != ERROR_SUCCESS)
yield break;
var interfaceInfoList = new WLAN_INTERFACE_INFO_LIST(interfaceList);
Debug.WriteLine("Interface count: {0}", interfaceInfoList.dwNumberOfItems);
foreach (var interfaceInfo in interfaceInfoList.InterfaceInfo)
{
if (WlanGetAvailableNetworkList(
clientHandle,
interfaceInfo.InterfaceGuid,
WLAN_AVAILABLE_NETWORK_INCLUDE_ALL_MANUAL_HIDDEN_PROFILES,
IntPtr.Zero,
out availableNetworkList) != ERROR_SUCCESS)
continue;
var networkList = new WLAN_AVAILABLE_NETWORK_LIST(availableNetworkList);
foreach (var network in networkList.Network)
{
Debug.WriteLine("Interface: {0}, SSID: {1}, Signal: {2}",
interfaceInfo.strInterfaceDescription,
network.dot11Ssid,
network.wlanSignalQuality);
yield return network.dot11Ssid.ToString();
}
}
}
finally
{
if (availableNetworkList != IntPtr.Zero)
WlanFreeMemory(availableNetworkList);
if (interfaceList != IntPtr.Zero)
WlanFreeMemory(interfaceList);
if (clientHandle != IntPtr.Zero)
WlanCloseHandle(clientHandle, IntPtr.Zero);
}
}
