private async void DeviceWatcher_Updated(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate)
{
await Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
{
lock (this)
{
if (sender == deviceWatcher)
{
BluetoothLEDeviceDisplay bleDeviceDisplay = FindBluetoothLEDeviceDisplay(deviceInfoUpdate.Id);
if (bleDeviceDisplay != null)
{
// Device is already being displayed - update UX.
bleDeviceDisplay.Update(deviceInfoUpdate);
return;
}
DeviceInformation deviceInfo = FindUnknownDevices(deviceInfoUpdate.Id);
if (deviceInfo != null)
{
deviceInfo.Update(deviceInfoUpdate);
// If device has been updated with a friendly name it's no longer unknown.
if (deviceInfo.Name != String.Empty)
{
dict.Add(deviceInfo.Name, deviceInfo);
DeviceList.Items.Add(new System.Windows.Controls.ListViewItem {
Content = deviceInfo.Name
});
KnownDevices.Add(new BluetoothLEDeviceDisplay(deviceInfo));
deviceQueue.Enqueue(deviceInfo.Name);
UnknownDevices.Remove(deviceInfo);
ConnectDevice();
}
}
Update_DeviceList();
}
}
}));
}
private async void DeviceWatcher_Removed(DeviceWatcher sender, DeviceInformationUpdate deviceInfoUpdate)
{
await Dispatcher.BeginInvoke(DispatcherPriority.Normal, new Action(() =>
{
lock (this)
{
if (sender == deviceWatcher)
{
// Find the corresponding DeviceInformation in the collection and remove it.
BluetoothLEDeviceDisplay bleDeviceDisplay = FindBluetoothLEDeviceDisplay(deviceInfoUpdate.Id);
DeviceInformation deviceInfo = FindUnknownDevices(deviceInfoUpdate.Id);
if (bleDeviceDisplay != null)
{
KnownDevices.Remove(bleDeviceDisplay);
dict.Remove(bleDeviceDisplay.Name);
if (deviceQueue.Count > 0)
{
while (deviceQueue.Contains(bleDeviceDisplay.Name))
{
var ck = deviceQueue.Dequeue();
if (!ck.Equals(bleDeviceDisplay.Name))
{
deviceQueue.Enqueue(ck);
}
}
}
}
if (deviceInfo != null)
{
UnknownDevices.Remove(deviceInfo);
}
Update_DeviceList();
}
}
}));
}