xamarin forms plugins.ble GattCallback error 133 code example

Example 1: xamarin forms plugins.ble GattCallback error 133

var parameters = new ConnectParameters(forceBleTransport: true);
await _adapter.ConnectToDeviceAsync(deviceToConnect, parameters, cancellationToken.Token);

Example 2: xamarin forms plugins.ble GattCallback error 133

ConnectParameters para = new ConnectParameters(true, true);
                await currentAdapter.ConnectToDeviceAsync(device, para);