public static string GetAdapterName(long adapterId)
{
var info = new DisplayConfigAdapterName(adapterId);
var err = DisplayConfigGetDeviceInfo_AdapterName(ref info);
if (err != NO_ERROR)
{
throw Marshal.GetExceptionForHR(Win32ErrorToHResult(err));
}
return(info.adapterDevicePath);
}
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());
}
public static extern Win32Status DisplayConfigGetDeviceInfo(ref DisplayConfigAdapterName deviceName);
private static extern int DisplayConfigGetDeviceInfo_AdapterName(ref DisplayConfigAdapterName info);