private bool Callback(IntPtr pvParam, ref BLUETOOTH_AUTHENTICATION_CALLBACK_PARAMS pAuthCallbackParams)
{
switch (pAuthCallbackParams.authenticationMethod)
{
case BluetoothAuthenticationMethod.Passkey:
case BluetoothAuthenticationMethod.NumericComparison:
BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO nresponse = new BLUETOOTH_AUTHENTICATE_RESPONSE__NUMERIC_COMPARISON_PASSKEY_INFO
{
authMethod = pAuthCallbackParams.authenticationMethod,
bthAddressRemote = pAuthCallbackParams.deviceInfo.Address,
numericComp_passkey = pAuthCallbackParams.Numeric_Value_Passkey
};
return(Win32Native.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref nresponse) == 0);
case BluetoothAuthenticationMethod.Legacy:
BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO response = new BLUETOOTH_AUTHENTICATE_RESPONSE__PIN_INFO();
response.authMethod = pAuthCallbackParams.authenticationMethod;
response.bthAddressRemote = pAuthCallbackParams.deviceInfo.Address;
response.pinInfo.pin = new byte[16];
System.Text.Encoding.ASCII.GetBytes(_pin).CopyTo(response.pinInfo.pin, 0);
response.pinInfo.pinLength = _pin.Length;
return(Win32Native.BluetoothSendAuthenticationResponseEx(IntPtr.Zero, ref response) == 0);
}
return(false);
}
public Win32BluetoothAuthentication(BluetoothAddress address, string pin)
{
Address = address;
_pin = pin;
BLUETOOTH_DEVICE_INFO device = BLUETOOTH_DEVICE_INFO.Create();
device.Address = address;
Win32Native.BluetoothGetDeviceInfo(IntPtr.Zero, ref device);
_callback = new BluetoothAuthenticationCallbackEx(Callback);
int result = Win32Native.BluetoothRegisterForAuthenticationEx(ref device, out _handle, _callback, IntPtr.Zero);
}
private bool disposedValue = false; // To detect redundant calls
void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: dispose managed state (managed objects).
}
Win32Native.BluetoothUnregisterAuthentication(_handle);
disposedValue = true;
}
}