private static bool SetRadioState(Guid interfaceGuid, Wlan.Dot11RadioState radioState)
{
//set Wlan.WlanPhyRadioState struct state's value.
var state = new Wlan.WlanPhyRadioState
{
dwPhyIndex = (int)Wlan.Dot11PhyType.Any,
dot11SoftwareRadioState = radioState,
};
var size = Marshal.SizeOf(state);
var pointer = IntPtr.Zero;
try
{
pointer = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(state, pointer, false);
var clientHandle = IntPtr.Zero;
try
{
uint negotiatedVersion;
var result = Wlan.WlanOpenHandle(
Wlan.WLAN_CLIENT_VERSION_LONGHORN,
IntPtr.Zero,
out negotiatedVersion,
out clientHandle);
if (result != 0)
{
return(false);
}
result = Wlan.WlanSetInterface(
clientHandle,
interfaceGuid,
Wlan.WlanIntfOpcode.RadioState,
(uint)size,
pointer,
IntPtr.Zero);
return(result == 0);
}
finally
{
Wlan.WlanCloseHandle(
clientHandle,
IntPtr.Zero);
}
}
finally
{
Marshal.FreeHGlobal(pointer);
}
}
/// <summary>
/// Creates a new instance of a Native Wifi service client.
/// </summary>
public WlanClient()
{
Wlan.ThrowIfError(
Wlan.WlanOpenHandle(Wlan.WLAN_CLIENT_VERSION_XP_SP2, IntPtr.Zero, out negotiatedVersion, out clientHandle));
try {
Wlan.WlanNotificationSource prevSrc;
wlanNotificationCallback = new Wlan.WlanNotificationCallbackDelegate(OnWlanNotification);
Wlan.ThrowIfError(Wlan.WlanRegisterVirtualStationNotification(clientHandle, true, IntPtr.Zero));
Wlan.ThrowIfError(
Wlan.WlanRegisterNotification(clientHandle, Wlan.WlanNotificationSource.All, false, wlanNotificationCallback, IntPtr.Zero, IntPtr.Zero, out prevSrc));
} catch {
Wlan.WlanCloseHandle(clientHandle, IntPtr.Zero);
throw;
}
}
/// <summary>
/// Creates a new instance of a Native Wifi service client.
/// </summary>
protected WlanClient()
{
Wlan.ThrowIfError(
Wlan.WlanOpenHandle(Wlan.WLAN_CLIENT_VERSION_XP_SP2, IntPtr.Zero, out negotiatedVersion, out clientHandle));
try
{
Wlan.WlanNotificationSource prevSrc;
wlanNotificationCallback = OnWlanNotification;
Wlan.ThrowIfError(
Wlan.WlanRegisterNotification(clientHandle, Wlan.WlanNotificationSource.All, false, wlanNotificationCallback, IntPtr.Zero, IntPtr.Zero, out prevSrc));
}
catch
{
Close();
throw;
}
}
