/// <summary>
/// Clears all devices
/// </summary>
public void ClearAllDevices()
{
try
{
BluetoothLEDevicesLock.Wait();
BluetoothLEDevices.Clear();
}
finally
{
BluetoothLEDevicesLock.Release();
}
}
/// <summary>
/// Starts enumeration of bluetooth device
/// </summary>
public void StartEnumeration()
{
// Additional properties we would like about the device.
string[] requestedProperties =
{
"System.Devices.Aep.Category",
"System.Devices.Aep.ContainerId",
"System.Devices.Aep.DeviceAddress",
"System.Devices.Aep.IsConnected",
"System.Devices.Aep.IsPaired",
"System.Devices.Aep.IsPresent",
"System.Devices.Aep.ProtocolId",
"System.Devices.Aep.Bluetooth.Le.IsConnectable",
"System.Devices.Aep.SignalStrength"
};
// BT_Code: Currently Bluetooth APIs don't provide a selector to get ALL devices that are both paired and non-paired.
deviceWatcher =
DeviceInformation.CreateWatcher(
BTLEDeviceWatcherAQSString,
requestedProperties,
DeviceInformationKind.AssociationEndpoint);
// Register event handlers before starting the watcher.
deviceWatcher.Added += DeviceWatcher_Added;
deviceWatcher.Updated += DeviceWatcher_Updated;
deviceWatcher.Removed += DeviceWatcher_Removed;
deviceWatcher.EnumerationCompleted += DeviceWatcher_EnumerationCompleted;
deviceWatcher.Stopped += DeviceWatcher_Stopped;
advertisementWatcher = new BluetoothLEAdvertisementWatcher();
advertisementWatcher.ScanningMode = BluetoothLEScanningMode.Active;
advertisementWatcher.Received += AdvertisementWatcher_Received;
BluetoothLEDevices.Clear();
deviceWatcher.Start();
advertisementWatcher.Start();
IsEnumerating = true;
EnumerationFinished = false;
}