static void GetPairedDevices()
{
BLUETOOTH_DEVICE_SEARCH_PARAMS search = BLUETOOTH_DEVICE_SEARCH_PARAMS.Create();
search.cTimeoutMultiplier = 8;
search.fReturnAuthenticated = true;
search.fReturnRemembered = false;
search.fReturnUnknown = false;
search.fReturnConnected = false;
search.fIssueInquiry = false;
BLUETOOTH_DEVICE_INFO device = BLUETOOTH_DEVICE_INFO.Create();
IntPtr searchHandle = NativeMethods.BluetoothFindFirstDevice(ref search, ref device);
if (searchHandle != IntPtr.Zero)
{
Console.WriteLine(ToMacAdress(device.Address) + " " + device.szName);
while (NativeMethods.BluetoothFindNextDevice(searchHandle, ref device))
{
Console.WriteLine(ToMacAdress(device.Address) + " " + device.szName);
}
NativeMethods.BluetoothFindDeviceClose(searchHandle);
}
}
IEnumerable <BluetoothDeviceInfo> GetPairedDevices()
{
BLUETOOTH_DEVICE_SEARCH_PARAMS search = BLUETOOTH_DEVICE_SEARCH_PARAMS.Create();
search.cTimeoutMultiplier = 8;
search.fReturnAuthenticated = true;
search.fReturnRemembered = false;
search.fReturnUnknown = false;
search.fReturnConnected = false;
search.fIssueInquiry = false;
BLUETOOTH_DEVICE_INFO device = BLUETOOTH_DEVICE_INFO.Create();
IntPtr searchHandle = NativeMethods.BluetoothFindFirstDevice(ref search, ref device);
if (searchHandle != IntPtr.Zero)
{
yield return(new BluetoothDeviceInfo(device));
while (NativeMethods.BluetoothFindNextDevice(searchHandle, ref device))
{
yield return(new BluetoothDeviceInfo(device));
}
NativeMethods.BluetoothFindDeviceClose(searchHandle);
}
yield break;
}
IReadOnlyCollection <BluetoothDeviceInfo> DoDiscoverDevices(int maxDevices)
{
List <BluetoothDeviceInfo> devices = new List <BluetoothDeviceInfo>();
BLUETOOTH_DEVICE_SEARCH_PARAMS search = BLUETOOTH_DEVICE_SEARCH_PARAMS.Create();
search.fReturnAuthenticated = false;
search.fReturnRemembered = true;
search.fReturnUnknown = true;
search.fReturnConnected = true;
search.fIssueInquiry = true;
search.cTimeoutMultiplier = Convert.ToByte(inquiryLength.TotalSeconds / 1.28);
BLUETOOTH_DEVICE_INFO device = BLUETOOTH_DEVICE_INFO.Create();
IntPtr searchHandle = NativeMethods.BluetoothFindFirstDevice(ref search, ref device);
if (searchHandle != IntPtr.Zero)
{
NativeMethods.BluetoothGetDeviceInfo(IntPtr.Zero, ref device);
devices.Add(new BluetoothDeviceInfo(device));
while (NativeMethods.BluetoothFindNextDevice(searchHandle, ref device) && devices.Count < maxDevices)
{
NativeMethods.BluetoothGetDeviceInfo(IntPtr.Zero, ref device);
devices.Add(new BluetoothDeviceInfo(device));
}
NativeMethods.BluetoothFindDeviceClose(searchHandle);
}
// get full paired devices list and remove those not recently seen (they were added to the results above regardless)
search.fReturnAuthenticated = true;
search.fReturnRemembered = true;
search.fReturnUnknown = false;
search.fReturnConnected = false;
search.fIssueInquiry = false;
searchHandle = NativeMethods.BluetoothFindFirstDevice(ref search, ref device);
if (searchHandle != IntPtr.Zero)
{
if (device.LastSeen < DateTime.Now.AddMinutes(-1))
{
devices.Remove(new BluetoothDeviceInfo(device));
}
while (NativeMethods.BluetoothFindNextDevice(searchHandle, ref device))
{
if (device.LastSeen < DateTime.Now.AddMinutes(-1))
{
devices.Remove(new BluetoothDeviceInfo(device));
}
}
NativeMethods.BluetoothFindDeviceClose(searchHandle);
}
return(devices.AsReadOnly());
}
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);
}
string GetRemoteMachineName()
{
if (GetConnected())
{
var remote = _socket.RemoteEndPoint as BluetoothEndPoint;
var info = BLUETOOTH_DEVICE_INFO.Create();
info.Address = remote.Address;
NativeMethods.BluetoothGetDeviceInfo(IntPtr.Zero, ref info);
return(info.szName);
}
return(string.Empty);
}
/// <summary>
/// Initializes an instance of the BluetoothDeviceInfo class for the device with the given address.
/// </summary>
/// <param name="address">The BluetoothAddress.</param>
public BluetoothDeviceInfo(BluetoothAddress address)
{
_info = BLUETOOTH_DEVICE_INFO.Create();
_info.Address = address;
NativeMethods.BluetoothGetDeviceInfo(IntPtr.Zero, ref _info);
}
/// <summary>
/// Initializes an instance of the BluetoothDeviceInfo class for the device with the given address.
/// </summary>
/// <param name="address">The BluetoothAddress.</param>
public BluetoothDeviceInfo(BluetoothAddress address)
{
_info = BLUETOOTH_DEVICE_INFO.Create();
_info.Address = address;
DoRefresh();
}
private void DoDevTypHandle(ref Message m, ref String text)
{
#if DEBUG
WindowsBluetoothDeviceInfo dev = null;
#endif
DEV_BROADCAST_HANDLE hdrHandle = (DEV_BROADCAST_HANDLE)m.GetLParam(typeof(DEV_BROADCAST_HANDLE));
var pData = Utils.Pointers.Add(m.LParam, _OffsetOfData);
if (BluetoothDeviceNotificationEvent.BthPortDeviceInterface == hdrHandle.dbch_eventguid)
{
text += "GUID_BTHPORT_DEVICE_INTERFACE";
}
else if (BluetoothDeviceNotificationEvent.RadioInRange == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_RADIO_IN_RANGE";
BTH_RADIO_IN_RANGE inRange
= (BTH_RADIO_IN_RANGE)Marshal.PtrToStructure(pData, typeof(BTH_RADIO_IN_RANGE));
text += String.Format(System.Globalization.CultureInfo.InvariantCulture,
" 0x{0:X12}", inRange.deviceInfo.address);
text += String.Format(System.Globalization.CultureInfo.InvariantCulture,
" is ({0}) 0x{0:X}", inRange.deviceInfo.flags);
text += String.Format(System.Globalization.CultureInfo.InvariantCulture,
" was ({0}) 0x{0:X}", inRange.previousDeviceFlags);
var bdi0 = BLUETOOTH_DEVICE_INFO.Create(inRange.deviceInfo);
var e = BluetoothWin32RadioInRangeEventArgs.Create(
inRange.previousDeviceFlags,
inRange.deviceInfo.flags, bdi0);
#if DEBUG
dev = new WindowsBluetoothDeviceInfo(bdi0);
Debug.WriteLine("InRange: " + dev.DeviceAddress);
#endif
RaiseInRange(e);
}
else if (BluetoothDeviceNotificationEvent.RadioOutOfRange == hdrHandle.dbch_eventguid)
{
BTH_RADIO_OUT_OF_RANGE outOfRange
= (BTH_RADIO_OUT_OF_RANGE)Marshal.PtrToStructure(pData, typeof(BTH_RADIO_OUT_OF_RANGE));
text += "GUID_BLUETOOTH_RADIO_OUT_OF_RANGE";
text += String.Format(System.Globalization.CultureInfo.InvariantCulture,
" 0x{0:X12}", outOfRange.deviceAddress);
var e = BluetoothWin32RadioOutOfRangeEventArgs.Create(
outOfRange.deviceAddress);
Debug.WriteLine("OutOfRange: " + outOfRange.deviceAddress);
RaiseOutOfRange(e);
}
else if (BluetoothDeviceNotificationEvent.PinRequest == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_PIN_REQUEST";
// "This message should be ignored by the application.
// If the application must receive PIN requests, the
// BluetoothRegisterForAuthentication function should be used."
}
else if (BluetoothDeviceNotificationEvent.L2capEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_L2CAP_EVENT";
// struct BTH_L2CAP_EVENT_INFO {
// BTH_ADDR bthAddress; USHORT psm; UCHAR connected; UCHAR initiated; }
#if DEBUG
var l2capE = Marshal_PtrToStructure <BTH_L2CAP_EVENT_INFO>(pData);
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture,
"L2CAP_EVENT: addr: {0:X}, psm: {1}, conn: {2}, init'd: {3}",
l2capE.bthAddress, l2capE.psm, l2capE.connected, l2capE.initiated));
#endif
}
else if (BluetoothDeviceNotificationEvent.HciEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_HCI_EVENT";
// struct BTH_HCI_EVENT_INFO {
// BTH_ADDR bthAddress; UCHAR connectionType; UCHAR connected; }
#if DEBUG
var hciE = Marshal_PtrToStructure <BTH_HCI_EVENT_INFO>(pData);
Debug.WriteLine(string.Format(CultureInfo.InvariantCulture,
"HCI_EVENT: addr: {0:X}, type: {1}, conn: {2}",
hciE.bthAddress, hciE.connectionType, hciE.connected));
#endif
}
// -- New somewhere after WinXP.
else if (BluetoothDeviceNotificationEvent.AuthenticationRequestEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_AUTHENTICATION_REQUEST";
// Same content as BluetoothRegisterForAuthenticationEx
}
else if (BluetoothDeviceNotificationEvent.KeyPressEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_KEYPRESS_EVENT";
// struct BTH_HCI_KEYPRESS_INFO {
// BTH_ADDR BTH_ADDR; UCHAR NotificationType; // HCI_KEYPRESS_XXX value }
}
else if (BluetoothDeviceNotificationEvent.HciVendorEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_HCI_VENDOR_EVENT";
}
// -- Unknown
else
{
text += "Unknown event: " + hdrHandle.dbch_eventguid;
}
Debug.WriteLine("Text: " + text);
}
private void DoDevTypHandle(ref WndProcClient.WindowMessage m, ref String text)
{
DEV_BROADCAST_HANDLE hdrHandle = (DEV_BROADCAST_HANDLE)Marshal.PtrToStructure(m.lParam, typeof(DEV_BROADCAST_HANDLE));
var pData = PointerUtils.Add(m.lParam, _OffsetOfData);
if (BluetoothDeviceNotificationEvent.BthPortDeviceInterface == hdrHandle.dbch_eventguid)
{
text += "GUID_BTHPORT_DEVICE_INTERFACE";
}
else if (BluetoothDeviceNotificationEvent.RadioInRange == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_RADIO_IN_RANGE";
BTH_RADIO_IN_RANGE inRange
= (BTH_RADIO_IN_RANGE)Marshal.PtrToStructure(pData, typeof(BTH_RADIO_IN_RANGE));
text += String.Format(" 0x{0:X12}", inRange.deviceInfo.address);
text += String.Format(" is ({0}) 0x{0:X}", inRange.deviceInfo.flags);
text += String.Format(" was ({0}) 0x{0:X}", inRange.previousDeviceFlags);
var bdi0 = BLUETOOTH_DEVICE_INFO.Create(inRange.deviceInfo);
var e = BluetoothWin32RadioInRangeEventArgs.Create(
inRange.previousDeviceFlags,
inRange.deviceInfo.flags, bdi0);
DeviceInRange?.Invoke(this, e);
}
else if (BluetoothDeviceNotificationEvent.RadioOutOfRange == hdrHandle.dbch_eventguid)
{
BTH_RADIO_OUT_OF_RANGE outOfRange
= (BTH_RADIO_OUT_OF_RANGE)Marshal.PtrToStructure(pData, typeof(BTH_RADIO_OUT_OF_RANGE));
text += "GUID_BLUETOOTH_RADIO_OUT_OF_RANGE";
text += String.Format(System.Globalization.CultureInfo.InvariantCulture,
" 0x{0:X12}", outOfRange.deviceAddress);
var e = BluetoothWin32RadioOutOfRangeEventArgs.Create(
outOfRange.deviceAddress);
DeviceOutOfRange?.Invoke(this, e);
}
else if (BluetoothDeviceNotificationEvent.PinRequest == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_PIN_REQUEST";
}
else if (BluetoothDeviceNotificationEvent.L2capEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_L2CAP_EVENT";
}
else if (BluetoothDeviceNotificationEvent.HciEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_HCI_EVENT";
}
else if (BluetoothDeviceNotificationEvent.AuthenticationRequestEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_AUTHENTICATION_REQUEST";
}
else if (BluetoothDeviceNotificationEvent.KeyPressEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_KEYPRESS_EVENT";
}
else if (BluetoothDeviceNotificationEvent.HciVendorEvent == hdrHandle.dbch_eventguid)
{
text += "GUID_BLUETOOTH_HCI_VENDOR_EVENT";
}
else
{
text += "Unknown event: " + hdrHandle.dbch_eventguid;
}
Log.Verbose("Interop.Win32: Device changed: " + text);
}
