public async Task PopulateAsync()
{
System = GetSystem();
var sw = new Stopwatch();
var tasks = new[]
{
GetTask(nameof(DeviceItems), () =>
DeviceItems = DeviceContext.EnumerateMonitorDevices().ToArray()),
GetTask(nameof(DisplayMonitorItems), async() =>
{
if (OsVersion.Is10Build17134OrGreater)
{
DisplayMonitorItems = await DisplayMonitor.GetDisplayMonitorsAsync();
}
}),
GetTask(nameof(DisplayConfigItems), () =>
DisplayConfigItems = DisplayConfig.EnumerateDisplayConfigs().ToArray()),
GetTask(nameof(InstalledItems), () =>
InstalledItems = DeviceInformation.EnumerateInstalledMonitors().ToArray()),
GetTask(nameof(PhysicalItems), () =>
PhysicalItems = DeviceContext.GetMonitorHandles().ToDictionary(
x => x,
x => MonitorConfiguration.EnumeratePhysicalMonitors(x.MonitorHandle, true)
.Select(x => new PhysicalItemPlus(x))
.ToArray())),
GetTask(nameof(DesktopItems), () =>
DesktopItems = MSMonitor.EnumerateDesktopMonitors().ToArray())
};
sw.Start();
ElapsedTime = await Task.WhenAll(tasks);
sw.Stop();
Task <string> GetTask(string name, Action action) =>
Task.Run(() =>
{
action.Invoke();
var elapsed = sw.Elapsed;
return($@"{name,-14} -> {elapsed.ToString($@"{(elapsed.Minutes > 0 ? @"m\:" : string.Empty)}s\.fff")}");
});
}
/// <summary>
/// Subscribes to brightness changed event.
/// </summary>
/// <param name="onBrightnessChanged">Action to be invoked when brightness changed</param>
/// <param name="onError">Action to be invoked when error occurred</param>
/// <returns>True if successfully subscribes</returns>
public bool Subscribe(Action <string, int> onBrightnessChanged, Action <string> onError)
{
(_watcher, var message) = MSMonitor.StartBrightnessEventWatcher();
if (_watcher is null)
{
if (!string.IsNullOrEmpty(message))
{
onError?.Invoke(message);
}
return(false);
}
this._onBrightnessChanged = onBrightnessChanged ?? throw new ArgumentNullException(nameof(onBrightnessChanged));
_watcher.EventArrived += OnEventArrived;
return(true);
}
private void OnEventArrived(object sender, EventArrivedEventArgs e)
{
var(instanceName, brightness) = MSMonitor.ParseBrightnessEventArgs(e);
_onBrightnessChanged?.Invoke(instanceName, brightness);
}
