public static BLUETOOTH_DEVICE_SEARCH_PARAMS Create()
{
BLUETOOTH_DEVICE_SEARCH_PARAMS search = new BLUETOOTH_DEVICE_SEARCH_PARAMS();
search.dwSize = Marshal.SizeOf(search);
return(search);
}
public override Win32BluetoothDeviceInfo[] DiscoverDevices(int maxDevices, bool authenticated, bool remembered, bool unknown)
{
List <Win32BluetoothDeviceInfo> devices = new List <Win32BluetoothDeviceInfo>();
BLUETOOTH_DEVICE_SEARCH_PARAMS search = BLUETOOTH_DEVICE_SEARCH_PARAMS.Create();
search.cTimeoutMultiplier = 8;
search.fReturnAuthenticated = authenticated;
search.fReturnRemembered = remembered;
search.fReturnUnknown = unknown;
search.fReturnConnected = true;
search.fIssueInquiry = unknown;
BLUETOOTH_DEVICE_INFO device = BLUETOOTH_DEVICE_INFO.Create();
IntPtr searchHandle = NativeMethods.BluetoothFindFirstDevice(ref search, ref device);
if (searchHandle != IntPtr.Zero)
{
devices.Add(new Win32BluetoothDeviceInfo(device));
while (NativeMethods.BluetoothFindNextDevice(searchHandle, ref device) && devices.Count <= maxDevices)
{
devices.Add(new Win32BluetoothDeviceInfo(device));
}
NativeMethods.BluetoothFindDeviceClose(searchHandle);
}
return(devices.ToArray());
}
internal static extern IntPtr BluetoothFindFirstDevice(ref BLUETOOTH_DEVICE_SEARCH_PARAMS pbtsp, ref BLUETOOTH_DEVICE_INFO pbtdi);
