public void UpdateDevices()
{
List <DisplayAdapter> oldAdapters = Adapters.ToList();
List <DisplayMonitor> oldMonitors = Monitors.ToList();
NativeMethods.DISPLAY_DEVICE dev = new NativeMethods.DISPLAY_DEVICE(true);
uint i = 0;
while (NativeMethods.EnumDisplayDevices(null, i++, ref dev, 0))
{
var adapter = oldAdapters.FirstOrDefault(a => a.DeviceName == dev.DeviceName);
if (adapter != null)
{
oldAdapters.Remove(adapter);
adapter.Init(dev, oldMonitors);
}
else
{
adapter = new DisplayAdapter();
adapter.Init(dev, oldMonitors);
Adapters.Add(adapter);
}
}
var w = new Stopwatch();
w.Start();
NativeMethods.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
delegate(IntPtr hMonitor, IntPtr hdcMonitor, ref NativeMethods.RECT lprcMonitor, IntPtr dwData)
{
var mi = new NativeMethods.MONITORINFOEX(true);
var success = NativeMethods.GetMonitorInfo(hMonitor, ref mi);
if (!success)
{
return(true);
}
IList monitors = AttachedMonitors.Where(d => d.Adapter.DeviceName == mi.DeviceName).ToList();
foreach (DisplayMonitor monitor in monitors)
{
monitor.Init(hMonitor, mi);
monitor.Timing = w.ElapsedMilliseconds;
w.Restart();
}
return(true);
}, IntPtr.Zero);
DevicesUpdated?.Invoke(this, new EventArgs());
foreach (var monitor in Monitors)
{
Debug.Print(monitor.DeviceName + "\t" + monitor.Edid.Model + "\t" + monitor.Timing);
}
}
public void Init(DisplayAdapter adapter, NativeMethods.DISPLAY_DEVICE dev)
{
using (this.Suspend())
{
Adapter = adapter;
DeviceId = dev.DeviceID;
DeviceKey = dev.DeviceKey;
DeviceName = dev.DeviceName;
DeviceString = dev.DeviceString;
State = dev.StateFlags;
}
}
public static void GetDisplayDevices()
{
NativeMethods.DISPLAY_DEVICE dd = new NativeMethods.DISPLAY_DEVICE();
dd.cb = Marshal.SizeOf(dd);
uint devNum = 0;
while (NativeMethods.EnumDisplayDevices(null, devNum, ref dd, 0))
{
Console.WriteLine("Found Display Device {0}: {1}; {2}; {3}; {4}; {5};",
devNum,
dd.DeviceName, dd.DeviceString, dd.StateFlags, dd.DeviceID, dd.DeviceKey);
devNum++;
dd.cb = Marshal.SizeOf(dd);
}
}
public static void GetDisplayDevices()
{
NativeMethods.DISPLAY_DEVICE dd = new NativeMethods.DISPLAY_DEVICE();
dd.cb = Marshal.SizeOf(dd);
uint devNum = 0;
while (NativeMethods.EnumDisplayDevices(null, devNum, ref dd, 0))
{
Console.WriteLine("Found Display Device {0}: {1}; {2}; {3}; {4}; {5};",
devNum,
dd.DeviceName, dd.DeviceString, dd.StateFlags, dd.DeviceID, dd.DeviceKey);
devNum++;
dd.cb = Marshal.SizeOf(dd);
}
}
public void Init(NativeMethods.DISPLAY_DEVICE dev, IList <DisplayMonitor> oldMonitors)
{
DeviceId = dev.DeviceID;
DeviceKey = dev.DeviceKey;
DeviceName = dev.DeviceName;
DeviceString = dev.DeviceString;
State = dev.StateFlags;
//if ((dev.StateFlags & NativeMethods.DisplayDeviceStateFlags.AttachedToDesktop) != NativeMethods.DisplayDeviceStateFlags.AttachedToDesktop) return;
uint i = 0;
var mon = new NativeMethods.DISPLAY_DEVICE(true);
var w = new Stopwatch();
w.Start();
while (NativeMethods.EnumDisplayDevices(DeviceName, i++, ref mon, 0))
{
var monitor = MonitorsService.D.Monitors.FirstOrDefault(m => m.DeviceName == mon.DeviceName);
if (monitor != null)
{
oldMonitors.Remove(monitor);
monitor.Init(this, mon);
}
else
{
monitor = new DisplayMonitor();
monitor.Init(this, mon);
MonitorsService.D.Monitors.Add(monitor);
}
monitor.Timing = w.ElapsedMilliseconds;
w.Restart();
}
}
public static string GetMonitorProfile()
{
// c++ recommendation: http://stackoverflow.com/questions/13533754/code-example-for-wcsgetdefaultcolorprofile
var displayDevice = new NativeMethods.DISPLAY_DEVICE();
displayDevice.cb = Marshal.SizeOf(displayDevice);
// First, find the primary adaptor
string adaptorName = null;
UInt32 deviceIndex = 0;
while (NativeMethods.EnumDisplayDevices(null, deviceIndex++, ref displayDevice, NativeMethods.EDD_GET_DEVICE_INTERFACE_NAME) != 0)
{
if ((displayDevice.StateFlags & NativeMethods.DisplayDeviceStateFlags.AttachedToDesktop) != 0 &&
(displayDevice.StateFlags & NativeMethods.DisplayDeviceStateFlags.PrimaryDevice) != 0)
{
adaptorName = displayDevice.DeviceName;
break;
}
}
// Second, find the first active (and attached) monitor
string deviceName = null;
deviceIndex = 0;
while (NativeMethods.EnumDisplayDevices(adaptorName, deviceIndex++, ref displayDevice, NativeMethods.EDD_GET_DEVICE_INTERFACE_NAME) != 0)
{
if ((displayDevice.StateFlags & NativeMethods.DisplayDeviceStateFlags.Active) != 0 &&
(displayDevice.StateFlags & NativeMethods.DisplayDeviceStateFlags.Attached) != 0)
{
deviceName = displayDevice.DeviceKey;
break;
}
}
// Third, find out whether to use the global or user profile
UInt32 usePerUserProfiles = 0;
UInt32 res = NativeMethods.WcsGetUsePerUserProfiles(deviceName, NativeMethods.DeviceClassFlags.CLASS_MONITOR, out usePerUserProfiles);
if (res == 0)
{
throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
}
// Finally, get the profile name
NativeMethods.WCS_PROFILE_MANAGEMENT_SCOPE scope = (usePerUserProfiles != 0) ?
NativeMethods.WCS_PROFILE_MANAGEMENT_SCOPE.WCS_PROFILE_MANAGEMENT_SCOPE_CURRENT_USER :
NativeMethods.WCS_PROFILE_MANAGEMENT_SCOPE.WCS_PROFILE_MANAGEMENT_SCOPE_SYSTEM_WIDE;
UInt32 cbProfileName = 0; // in bytes
res = NativeMethods.WcsGetDefaultColorProfileSize(scope,
deviceName,
NativeMethods.COLORPROFILETYPE.CPT_ICC,
NativeMethods.COLORPROFILESUBTYPE.CPST_RGB_WORKING_SPACE,
0,
out cbProfileName);
if (res == 0)
{
throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
}
int nLengthProfileName = (int)cbProfileName / 2; // WcsGetDefaultColor... is using LPWSTR, i.e. 2 bytes/char
StringBuilder profileName = new StringBuilder(nLengthProfileName);
res = NativeMethods.WcsGetDefaultColorProfile(scope,
deviceName,
NativeMethods.COLORPROFILETYPE.CPT_ICC,
NativeMethods.COLORPROFILESUBTYPE.CPST_RGB_WORKING_SPACE,
0,
cbProfileName,
profileName);
if (res == 0)
{
throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
}
return(profileName.ToString());
}
