private void OnDeviceAdded(GazeDeviceWatcherPreview sender, GazeDeviceWatcherAddedPreviewEventArgs args)
{
_devices.Add(args.Device);
if (_devices.Count == 1)
{
IsDeviceAvailableChanged?.Invoke(null, null);
InitializeGazeInputSource();
}
}
private void OnDeviceRemoved(GazeDeviceWatcherPreview sender, GazeDeviceWatcherRemovedPreviewEventArgs args)
{
var index = 0;
while (index < _devices.Count && _devices.ElementAt(index).Id != args.Device.Id)
{
index++;
}
if (index < _devices.Count)
{
_devices.RemoveAt(index);
}
else
{
_devices.RemoveAt(0);
}
if (_devices.Count == 0)
{
IsDeviceAvailableChanged?.Invoke(null, null);
}
}