private static string GetMonitorDisplayName(DisplayConfigPathInfo path)
{
var displayConfigTargetDeviceName = new DisplayConfigTargetDeviceName
{
header = new DisplayConfigDeviceInfoHeader
{
adapterId = path.targetInfo.adapterId,
id = path.targetInfo.id,
size =
Marshal.SizeOf(
typeof(DisplayConfigTargetDeviceName)),
type = DisplayConfigDeviceInfoType.GetTargetName
}
};
var successStatus = Wrapper.DisplayConfigGetDeviceInfo(ref displayConfigTargetDeviceName);
if (successStatus != StatusCode.Success)
{
throw new Exception($"DisplayConfigGetDeviceInfo() failed. Status: {successStatus}");
}
var displayName = displayConfigTargetDeviceName.monitorFriendlyDeviceName;
return(displayName);
}
private static DisplayConfigTargetDeviceName[] GetDisplayConfigs()
{
var error = NativeMethods.GetDisplayConfigBufferSizes(QueryDeviceConfigFlags.QdcOnlyActivePaths, out var pathInfoElementsCount, out var modeInfoElementsCount);
if (error != 0)
{
throw Log.ErrorAndCreateException <Win32Exception>($"Function {nameof(NativeMethods.GetDisplayConfigBufferSizes)} returns error code '{error}'");
}
var displayConfigs = new List <DisplayConfigTargetDeviceName>();
var displayConfigPathInfos = new DisplayConfigPathInfo[pathInfoElementsCount];
var displayConfigModeInfos = new DisplayConfigModeInfo[modeInfoElementsCount];
error = NativeMethods.QueryDisplayConfig(QueryDeviceConfigFlags.QdcOnlyActivePaths, ref pathInfoElementsCount, displayConfigPathInfos, ref modeInfoElementsCount,
displayConfigModeInfos, IntPtr.Zero);
if (error != 0)
{
throw Log.ErrorAndCreateException <Win32Exception>($"Function {nameof(NativeMethods.QueryDisplayConfig)} returns error code '{error}'");
}
foreach (var pathInfo in displayConfigPathInfos)
{
var adapterName = new DisplayConfigAdapterName(pathInfo.TargetInfo.AdapterId, DisplayConfig.DeviceInfoType.DisplayConfigDeviceInfoGetAdapterName);
var targetDeviceName = new DisplayConfigTargetDeviceName()
{
Header = DisplayConfigDeviceInfoHeader.Initialize(pathInfo.TargetInfo.AdapterId,
pathInfo.TargetInfo.Id,
DisplayConfig.DeviceInfoType.DisplayConfigDeviceInfoGetTargetName,
(uint)Marshal.SizeOf <DisplayConfigTargetDeviceName>())
};
error = (int)NativeMethods.DisplayConfigGetDeviceInfo(ref targetDeviceName);
try
{
if (error != 0)
{
throw Log.ErrorAndCreateException <Win32Exception>($"Function {nameof(NativeMethods.DisplayConfigGetDeviceInfo)} returns error code '{error}'");
}
displayConfigs.Add(targetDeviceName);
}
catch (Win32Exception ex)
{
Log.Error(ex);
}
}
return(displayConfigs.ToArray());
}
private static StatusCode GetDisplayConfigTargetDeviceName(DisplayConfigModeInfo targetModeInfo, out DisplayConfigTargetDeviceName displayConfigTargetDeviceName)
{
displayConfigTargetDeviceName = new DisplayConfigTargetDeviceName
{
header = new DisplayConfigDeviceInfoHeader
{
adapterId = targetModeInfo.adapterId,
id = targetModeInfo.id,
size = Marshal.SizeOf(typeof(DisplayConfigTargetDeviceName)),
type = DisplayConfigDeviceInfoType.GetTargetName,
}
};
return(Win32Api.DisplayConfigGetDeviceInfo(ref displayConfigTargetDeviceName));
}
private static string MonitorFriendlyName(Luid adapterId, uint targetId)
{
var deviceName = new DisplayConfigTargetDeviceName {
Header =
{
Size = (uint)Marshal.SizeOf(typeof(DisplayConfigTargetDeviceName)),
AdapterId = adapterId,
Id = targetId,
Type = DisplayConfigDeviceInfoType.GetTargetName
}
};
var error = DisplayConfigGetDeviceInfo(ref deviceName);
if (error != ErrorSuccess)
{
throw new Win32Exception(error);
}
return(deviceName.MonitorFriendlyDeviceName);
}
public static extern Win32Status DisplayConfigGetDeviceInfo(ref DisplayConfigTargetDeviceName deviceName);
private static extern int DisplayConfigGetDeviceInfo(ref DisplayConfigTargetDeviceName deviceName);
