public BluetoothLowEnergyStream(IBluetoothLowEnergyDevice device, Action onDispose)
{
_device = device;
_onDispose = onDispose;
var tcs = new TaskCompletionSource <int>();
_device.DiscoverServicesAsync().ContinueWith(async _ =>
{
await ServicesDiscovered();
tcs.SetResult(0);
});
_initializationTask = tcs.Task;
}
