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.Is10Redstone4OrNewer)
{
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")}");
});
}
public async Task PopulateAsync()
{
var sw = new Stopwatch();
var actions = new[]
{
GetAction(nameof(DeviceItems), () =>
DeviceItems = DeviceContext.EnumerateMonitorDevices().ToArray()),
GetAction(nameof(PhysicalItems), () =>
PhysicalItems = DeviceContext.GetMonitorHandles().ToDictionary(
x => x,
x => MonitorConfiguration.EnumeratePhysicalMonitors(x.MonitorHandle, true).ToArray())),
GetAction(nameof(InstalledItems), () =>
InstalledItems = DeviceInstallation.EnumerateInstalledMonitors().ToArray()),
GetAction(nameof(DesktopItems), () =>
DesktopItems = MSMonitor.EnumerateDesktopMonitors().ToArray()),
GetAction(nameof(DisplayItems), async() =>
{
if (OsVersion.Is10Redstone4OrNewer)
{
DisplayItems = await DisplayInformation.GetDisplayMonitorsAsync();
}
})
};
ElapsedTime = new string[actions.Length];
sw.Start();
await Task.WhenAll(actions.Select((x, index) => Task.Run(() => x.Invoke(index))));
sw.Stop();
Action <int> GetAction(string name, Action action) =>
new Action <int>((index) =>
{
action.Invoke();
ElapsedTime[index] = $"{name} -> {sw.ElapsedMilliseconds}";
});
}
private static IEnumerable <IMonitor> EnumerateMonitors(List <DeviceItemPlus> deviceItems)
{
if (!(deviceItems?.Any() == true))
{
yield break;
}
// Obtained by DDC/CI
foreach (var handleItem in DeviceContext.GetMonitorHandles())
{
foreach (var physicalItem in MonitorConfiguration.EnumeratePhysicalMonitors(handleItem.MonitorHandle))
{
int index = -1;
if (physicalItem.IsSupported)
{
index = deviceItems.FindIndex(x =>
(x.DisplayIndex == handleItem.DisplayIndex) &&
(x.MonitorIndex == physicalItem.MonitorIndex) &&
string.Equals(x.Description, physicalItem.Description, StringComparison.OrdinalIgnoreCase));
}
if (index < 0)
{
physicalItem.Handle.Dispose();
continue;
}
var deviceItem = deviceItems[index];
yield return(new DdcMonitorItem(
deviceInstanceId: deviceItem.DeviceInstanceId,
description: deviceItem.AlternateDescription,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex,
handle: physicalItem.Handle,
useLowLevel: physicalItem.IsLowLevelSupported));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
}
}
// Obtained by WMI
var installedItems = DeviceInstallation.EnumerateInstalledMonitors().ToArray();
foreach (var desktopItem in MSMonitor.EnumerateDesktopMonitors())
{
foreach (var installedItem in installedItems)
{
int index = -1;
if (desktopItem.BrightnessLevels.Any())
{
index = deviceItems.FindIndex(x =>
string.Equals(x.DeviceInstanceId, desktopItem.DeviceInstanceId, StringComparison.OrdinalIgnoreCase) &&
string.Equals(x.DeviceInstanceId, installedItem.DeviceInstanceId, StringComparison.OrdinalIgnoreCase));
}
if (index < 0)
{
continue;
}
var deviceItem = deviceItems[index];
yield return(new WmiMonitorItem(
deviceInstanceId: deviceItem.DeviceInstanceId,
description: deviceItem.AlternateDescription,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex,
brightnessLevels: desktopItem.BrightnessLevels,
isRemovable: installedItem.IsRemovable));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
}
}
// Unreachable neither by DDC/CI nor by WMI
foreach (var deviceItem in deviceItems)
{
yield return(new UnreachableMonitorItem(
deviceInstanceId: deviceItem.DeviceInstanceId,
description: deviceItem.AlternateDescription,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex,
isInternal: deviceItem.IsInternal));
}
}