BeginConnect throws an exception

[ErikBis]

I get an Exception when I try to connect to Bluttoth Following are giving me an exception () var addr = BluetoothAddress.Parse("00025BAABB99"); var service = BluetoothService.SerialPort; var port = 2;

        var ePoint = new BluetoothEndPoint(addr, service, port);
        var client = new BluetoothClient();
        client.BeginConnect(ePoint, ar => { }, new object());

I have upgraded to version 4.0.25 and now I get this Exception I not sure what I do wrong,

[ErikBis]

I have the same problem with ConnectAsync

[peterfoot]

What is the exception? It should contain the native SocketException which will help identify the reason

[ErikBis]

This is what I get: System.NullReferenceException HResult=0x80004003 Message=Object reference not set to an instance of an object. Source=InTheHand.Net.Bluetooth StackTrace: at InTheHand.Net.Sockets.BluetoothClient.BeginConnect(BluetoothEndPoint endpoint, AsyncCallback requestCallback, Object state) at WireOnAir.Infrastructure.Connections.Bluetooth.ClientWrapper.BtClientWrapper.d__6.MoveNext() in C:\Users\ebs\Source\Repos\WoaEnvironmentBuilder\Infrastructure\Connections\Bluetooth\ClientWrapper\BtClientWrapper.cs:line 48

[ErikBis]

I can not see the native SocketException

[peterfoot]

Okay, I can see the issue, the client socket is not created in the BeginConnect method, but is in the sync Connect method. I'll get this resolved for the next release.

[ErikBis]

Thank you for your fast reply

[peterfoot]

Fixed in 4.0.26 now up on NuGet

[ErikBis]

I have now tested the BeginConnect and I don't get an exception, but I don't get connected either When I call EndConnect with the IAsyncResult I get the following exception As an remark I get an connection when I use Connect (_client.Connect(_deviceAddress, BluetoothService.SerialPort);)

System.Net.Sockets.SocketException HResult=0x80004005 Message=An invalid argument was supplied. Source=System.Private.CoreLib StackTrace: at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Threading.Tasks.TaskToApm.End(IAsyncResult asyncResult) at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult) at InTheHand.Net.Sockets.BluetoothClient.EndConnect(IAsyncResult asyncResult) at WireOnAir.Infrastructure.Connections.Bluetooth.ClientWrapper.BtClientWrapper.EndConnect(IAsyncResult asyncResult) in C:\Users\ebs\Source\Repos\WoaEnvironmentBuilder\Infrastructure\Connections\Bluetooth\ClientWrapper\BtClientWrapper.cs:line 60 at WireOnAir.Infrastructure.Connections.Common.Clients.ClientAsync.ConnectedCallback(IAsyncResult result) in C:\Users\ebs\Source\Repos\WoaEnvironmentBuilder\Infrastructure\Connections\Common\Clients\ClientAsync.cs:line 166