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>
/// Sets a parameter of the interface whose data type is <see cref="int"/>.
/// </summary>
/// <param name="opCode">The opcode of the parameter.</param>
/// <param name="value">The value to set.</param>
private void SetInterfaceInt(Wlan.WlanIntfOpcode opCode, int value)
{
IntPtr valuePtr = Marshal.AllocHGlobal(sizeof(int));
Marshal.WriteInt32(valuePtr, value);
try {
Wlan.ThrowIfError(
Wlan.WlanSetInterface(client.clientHandle, info.interfaceGuid, opCode, sizeof(int), valuePtr, IntPtr.Zero));
} finally {
Marshal.FreeHGlobal(valuePtr);
}
}
