public bool UpdateBrightness(int brightness = -1)
{
lock (_lock)
{
this.Brightness = MonitorConfiguration.GetBrightness(Handle);
return(0 <= this.Brightness);
}
}
public override bool UpdateBrightness(int brightness = -1)
{
lock (_lock)
{
this.Brightness = MonitorConfiguration.GetBrightness(_handle, _useLowLevel);
return(0 <= this.Brightness);
}
}
public MonitorData()
{
DeviceItems = DeviceContext.EnumerateMonitorDevices().ToArray();
PhysicalItems = DeviceContext.GetMonitorHandles().ToDictionary(
x => x,
x => MonitorConfiguration.EnumeratePhysicalMonitors(x.MonitorHandle).ToArray());
InstalledItems = DeviceInstallation.EnumerateInstalledMonitors().ToArray();
DesktopItems = MSMonitor.EnumerateDesktopMonitors().ToArray();
}
public override bool SetBrightness(int brightness)
{
if ((brightness < 0) || (100 < brightness))
{
throw new ArgumentOutOfRangeException(nameof(brightness), "The brightness must be within 0 to 100.");
}
lock (_lock)
{
if (MonitorConfiguration.SetBrightness(_handle, brightness, _useLowLevel))
{
this.Brightness = brightness;
return(true);
}
return(false);
}
}
private uint _maximum = 100; // Raw maximum brightness (not always 100)
public override bool UpdateBrightness(int brightness = -1)
{
lock (_lock)
{
var(success, minimum, current, maximum) = MonitorConfiguration.GetBrightness(_handle, _useLowLevel);
if (!success || !(minimum < maximum) || !(minimum <= current) || !(current <= maximum))
{
this.Brightness = -1;
return(false);
}
this.Brightness = (int)Math.Round((double)(current - minimum) / (maximum - minimum) * 100D, MidpointRounding.AwayFromZero);
this._minimum = minimum;
this._maximum = maximum;
return(true);
}
}
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}";
});
}
public override bool SetBrightness(int brightness)
{
if ((brightness < 0) || (100 < brightness))
{
throw new ArgumentOutOfRangeException(nameof(brightness), "The brightness must be within 0 to 100.");
}
lock (_lock)
{
var buffer = (uint)Math.Round(brightness / 100D * (_maximum - _minimum) + _minimum, MidpointRounding.AwayFromZero);
if (MonitorConfiguration.SetBrightness(_handle, buffer, _useLowLevel))
{
this.Brightness = brightness;
return(true);
}
return(false);
}
}
public override bool IsInvalid => false; // The validity cannot be checked by the handle.
protected override bool ReleaseHandle()
{
return(MonitorConfiguration.DestroyPhysicalMonitor(handle));
}
public static IEnumerable <IMonitor> EnumerateMonitors()
{
var deviceItems = DeviceContext.EnumerateMonitorDevices().ToList();
if (deviceItems.Count == 0)
{
yield break;
}
// By DDC/CI
foreach (var handleItem in DeviceContext.GetMonitorHandles())
{
foreach (var physicalItem in MonitorConfiguration.EnumeratePhysicalMonitors(handleItem.MonitorHandle))
{
int index = -1;
if (physicalItem.IsBrightnessSupported)
{
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.FriendlyName,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex,
handle: physicalItem.Handle,
isLowLevel: physicalItem.IsLowLevel));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
}
}
// 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.FriendlyName,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex,
brightnessLevels: desktopItem.BrightnessLevels,
isRemovable: installedItem.IsRemovable));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
}
}
// Rest
foreach (var deviceItem in deviceItems)
{
yield return(new InaccessibleMonitorItem(
deviceInstanceId: deviceItem.DeviceInstanceId,
description: deviceItem.FriendlyName,
displayIndex: deviceItem.DisplayIndex,
monitorIndex: deviceItem.MonitorIndex));
}
}
public static IEnumerable <IMonitor> EnumerateMonitors()
{
var deviceItems = DeviceContext.EnumerateMonitorDevices().ToList();
if (deviceItems.Count == 0)
{
yield break;
}
// By DDC/CI
foreach (var handleItem in DeviceContext.GetMonitorHandles())
{
foreach (var physicalItem in MonitorConfiguration.EnumeratePhysicalMonitors(handleItem.MonitorHandle))
{
//Debug.WriteLine($"Display: {handleItem.DisplayIndex}, Monitor: {physicalItem.MonitorIndex}");
var index = deviceItems.FindIndex(x =>
(x.DisplayIndex == handleItem.DisplayIndex) &&
(x.MonitorIndex == physicalItem.MonitorIndex) &&
string.Equals(x.Description, physicalItem.Description, StringComparison.OrdinalIgnoreCase));
if (0 <= index)
{
yield return(new DdcMonitorItem(
description: deviceItems[index].Description,
deviceInstanceId: deviceItems[index].DeviceInstanceId,
displayIndex: deviceItems[index].DisplayIndex,
monitorIndex: deviceItems[index].MonitorIndex,
handle: physicalItem.Handle));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
else
{
continue;
}
}
physicalItem.Handle.Dispose();
}
}
// By WMI
var installedItems = DeviceInstallation.EnumerateInstalledMonitors().ToArray();
foreach (var desktopItem in MSMonitor.EnumerateDesktopMonitors())
{
foreach (var installedItem in installedItems)
{
var index = deviceItems.FindIndex(x =>
string.Equals(x.DeviceInstanceId, desktopItem.DeviceInstanceId, StringComparison.OrdinalIgnoreCase) &&
string.Equals(x.DeviceInstanceId, installedItem.DeviceInstanceId, StringComparison.OrdinalIgnoreCase));
if (0 <= index)
{
yield return(new WmiMonitorItem(
description: deviceItems[index].Description,
deviceInstanceId: deviceItems[index].DeviceInstanceId,
displayIndex: deviceItems[index].DisplayIndex,
monitorIndex: deviceItems[index].MonitorIndex,
brightnessLevels: desktopItem.BrightnessLevels,
isRemovable: installedItem.IsRemovable));
deviceItems.RemoveAt(index);
if (deviceItems.Count == 0)
{
yield break;
}
}
}
}
}
