mirror of
https://github.com/jkocon/g-helper.git
synced 2026-02-23 13:00:52 +01:00
304 lines
11 KiB
C#
304 lines
11 KiB
C#
using System.ComponentModel;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace GHelper.Display
|
|
{
|
|
public static class ScreenInterrogatory
|
|
{
|
|
public const int ERROR_SUCCESS = 0;
|
|
|
|
#region enums
|
|
|
|
public enum QUERY_DEVICE_CONFIG_FLAGS : uint
|
|
{
|
|
QDC_ALL_PATHS = 0x00000001,
|
|
QDC_ONLY_ACTIVE_PATHS = 0x00000002,
|
|
QDC_DATABASE_CURRENT = 0x00000004
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY : uint
|
|
{
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_OTHER = 0xFFFFFFFF,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_HD15 = 0,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_SVIDEO = 1,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_COMPOSITE_VIDEO = 2,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_COMPONENT_VIDEO = 3,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_DVI = 4,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_HDMI = 5,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_LVDS = 6,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_D_JPN = 8,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_SDI = 9,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_DISPLAYPORT_EXTERNAL = 10,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_DISPLAYPORT_EMBEDDED = 11,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_UDI_EXTERNAL = 12,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_UDI_EMBEDDED = 13,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_SDTVDONGLE = 14,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_MIRACAST = 15,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_INTERNAL = 0x80000000,
|
|
DISPLAYCONFIG_OUTPUT_TECHNOLOGY_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_SCANLINE_ORDERING : uint
|
|
{
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_UNSPECIFIED = 0,
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_PROGRESSIVE = 1,
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_INTERLACED = 2,
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_INTERLACED_UPPERFIELDFIRST = DISPLAYCONFIG_SCANLINE_ORDERING_INTERLACED,
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_INTERLACED_LOWERFIELDFIRST = 3,
|
|
DISPLAYCONFIG_SCANLINE_ORDERING_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_ROTATION : uint
|
|
{
|
|
DISPLAYCONFIG_ROTATION_IDENTITY = 1,
|
|
DISPLAYCONFIG_ROTATION_ROTATE90 = 2,
|
|
DISPLAYCONFIG_ROTATION_ROTATE180 = 3,
|
|
DISPLAYCONFIG_ROTATION_ROTATE270 = 4,
|
|
DISPLAYCONFIG_ROTATION_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_SCALING : uint
|
|
{
|
|
DISPLAYCONFIG_SCALING_IDENTITY = 1,
|
|
DISPLAYCONFIG_SCALING_CENTERED = 2,
|
|
DISPLAYCONFIG_SCALING_STRETCHED = 3,
|
|
DISPLAYCONFIG_SCALING_ASPECTRATIOCENTEREDMAX = 4,
|
|
DISPLAYCONFIG_SCALING_CUSTOM = 5,
|
|
DISPLAYCONFIG_SCALING_PREFERRED = 128,
|
|
DISPLAYCONFIG_SCALING_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_PIXELFORMAT : uint
|
|
{
|
|
DISPLAYCONFIG_PIXELFORMAT_8BPP = 1,
|
|
DISPLAYCONFIG_PIXELFORMAT_16BPP = 2,
|
|
DISPLAYCONFIG_PIXELFORMAT_24BPP = 3,
|
|
DISPLAYCONFIG_PIXELFORMAT_32BPP = 4,
|
|
DISPLAYCONFIG_PIXELFORMAT_NONGDI = 5,
|
|
DISPLAYCONFIG_PIXELFORMAT_FORCE_UINT32 = 0xffffffff
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_MODE_INFO_TYPE : uint
|
|
{
|
|
DISPLAYCONFIG_MODE_INFO_TYPE_SOURCE = 1,
|
|
DISPLAYCONFIG_MODE_INFO_TYPE_TARGET = 2,
|
|
DISPLAYCONFIG_MODE_INFO_TYPE_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
public enum DISPLAYCONFIG_DEVICE_INFO_TYPE : uint
|
|
{
|
|
DISPLAYCONFIG_DEVICE_INFO_GET_SOURCE_NAME = 1,
|
|
DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_NAME = 2,
|
|
DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_PREFERRED_MODE = 3,
|
|
DISPLAYCONFIG_DEVICE_INFO_GET_ADAPTER_NAME = 4,
|
|
DISPLAYCONFIG_DEVICE_INFO_SET_TARGET_PERSISTENCE = 5,
|
|
DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_BASE_TYPE = 6,
|
|
DISPLAYCONFIG_DEVICE_INFO_FORCE_UINT32 = 0xFFFFFFFF
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region structs
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct LUID
|
|
{
|
|
public uint LowPart;
|
|
public int HighPart;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_PATH_SOURCE_INFO
|
|
{
|
|
public LUID adapterId;
|
|
public uint id;
|
|
public uint modeInfoIdx;
|
|
public uint statusFlags;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_PATH_TARGET_INFO
|
|
{
|
|
public LUID adapterId;
|
|
public uint id;
|
|
public uint modeInfoIdx;
|
|
private DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY outputTechnology;
|
|
private DISPLAYCONFIG_ROTATION rotation;
|
|
private DISPLAYCONFIG_SCALING scaling;
|
|
private DISPLAYCONFIG_RATIONAL refreshRate;
|
|
private DISPLAYCONFIG_SCANLINE_ORDERING scanLineOrdering;
|
|
public bool targetAvailable;
|
|
public uint statusFlags;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_RATIONAL
|
|
{
|
|
public uint Numerator;
|
|
public uint Denominator;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_PATH_INFO
|
|
{
|
|
public DISPLAYCONFIG_PATH_SOURCE_INFO sourceInfo;
|
|
public DISPLAYCONFIG_PATH_TARGET_INFO targetInfo;
|
|
public uint flags;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_2DREGION
|
|
{
|
|
public uint cx;
|
|
public uint cy;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_VIDEO_SIGNAL_INFO
|
|
{
|
|
public ulong pixelRate;
|
|
public DISPLAYCONFIG_RATIONAL hSyncFreq;
|
|
public DISPLAYCONFIG_RATIONAL vSyncFreq;
|
|
public DISPLAYCONFIG_2DREGION activeSize;
|
|
public DISPLAYCONFIG_2DREGION totalSize;
|
|
public uint videoStandard;
|
|
public DISPLAYCONFIG_SCANLINE_ORDERING scanLineOrdering;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_TARGET_MODE
|
|
{
|
|
public DISPLAYCONFIG_VIDEO_SIGNAL_INFO targetVideoSignalInfo;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct POINTL
|
|
{
|
|
private int x;
|
|
private int y;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_SOURCE_MODE
|
|
{
|
|
public uint width;
|
|
public uint height;
|
|
public DISPLAYCONFIG_PIXELFORMAT pixelFormat;
|
|
public POINTL position;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Explicit)]
|
|
public struct DISPLAYCONFIG_MODE_INFO_UNION
|
|
{
|
|
[FieldOffset(0)]
|
|
public DISPLAYCONFIG_TARGET_MODE targetMode;
|
|
|
|
[FieldOffset(0)]
|
|
public DISPLAYCONFIG_SOURCE_MODE sourceMode;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_MODE_INFO
|
|
{
|
|
public DISPLAYCONFIG_MODE_INFO_TYPE infoType;
|
|
public uint id;
|
|
public LUID adapterId;
|
|
public DISPLAYCONFIG_MODE_INFO_UNION modeInfo;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_TARGET_DEVICE_NAME_FLAGS
|
|
{
|
|
public uint value;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential)]
|
|
public struct DISPLAYCONFIG_DEVICE_INFO_HEADER
|
|
{
|
|
public DISPLAYCONFIG_DEVICE_INFO_TYPE type;
|
|
public uint size;
|
|
public LUID adapterId;
|
|
public uint id;
|
|
}
|
|
|
|
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
|
|
public struct DISPLAYCONFIG_TARGET_DEVICE_NAME
|
|
{
|
|
public DISPLAYCONFIG_DEVICE_INFO_HEADER header;
|
|
public DISPLAYCONFIG_TARGET_DEVICE_NAME_FLAGS flags;
|
|
public DISPLAYCONFIG_VIDEO_OUTPUT_TECHNOLOGY outputTechnology;
|
|
public ushort edidManufactureId;
|
|
public ushort edidProductCodeId;
|
|
public uint connectorInstance;
|
|
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 64)]
|
|
public string monitorFriendlyDeviceName;
|
|
|
|
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
|
|
public string monitorDevicePath;
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region DLL-Imports
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern int GetDisplayConfigBufferSizes(
|
|
QUERY_DEVICE_CONFIG_FLAGS flags, out uint numPathArrayElements, out uint numModeInfoArrayElements);
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern int QueryDisplayConfig(
|
|
QUERY_DEVICE_CONFIG_FLAGS flags,
|
|
ref uint numPathArrayElements, [Out] DISPLAYCONFIG_PATH_INFO[] PathInfoArray,
|
|
ref uint numModeInfoArrayElements, [Out] DISPLAYCONFIG_MODE_INFO[] ModeInfoArray,
|
|
nint currentTopologyId
|
|
);
|
|
|
|
[DllImport("user32.dll")]
|
|
public static extern int DisplayConfigGetDeviceInfo(ref DISPLAYCONFIG_TARGET_DEVICE_NAME deviceName);
|
|
|
|
#endregion
|
|
|
|
private static DISPLAYCONFIG_TARGET_DEVICE_NAME DeviceName(LUID adapterId, uint targetId)
|
|
{
|
|
var deviceName = new DISPLAYCONFIG_TARGET_DEVICE_NAME
|
|
{
|
|
header =
|
|
{
|
|
size = (uint)Marshal.SizeOf(typeof (DISPLAYCONFIG_TARGET_DEVICE_NAME)),
|
|
adapterId = adapterId,
|
|
id = targetId,
|
|
type = DISPLAYCONFIG_DEVICE_INFO_TYPE.DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_NAME
|
|
}
|
|
};
|
|
var error = DisplayConfigGetDeviceInfo(ref deviceName);
|
|
if (error != ERROR_SUCCESS)
|
|
throw new Win32Exception(error);
|
|
|
|
return deviceName;
|
|
}
|
|
|
|
public static IEnumerable<DISPLAYCONFIG_TARGET_DEVICE_NAME> GetAllDevices()
|
|
{
|
|
uint pathCount, modeCount;
|
|
var error = GetDisplayConfigBufferSizes(QUERY_DEVICE_CONFIG_FLAGS.QDC_ONLY_ACTIVE_PATHS, out pathCount, out modeCount);
|
|
if (error != ERROR_SUCCESS)
|
|
throw new Win32Exception(error);
|
|
|
|
var displayPaths = new DISPLAYCONFIG_PATH_INFO[pathCount];
|
|
var displayModes = new DISPLAYCONFIG_MODE_INFO[modeCount];
|
|
error = QueryDisplayConfig(QUERY_DEVICE_CONFIG_FLAGS.QDC_ONLY_ACTIVE_PATHS,
|
|
ref pathCount, displayPaths, ref modeCount, displayModes, nint.Zero);
|
|
if (error != ERROR_SUCCESS)
|
|
throw new Win32Exception(error);
|
|
|
|
for (var i = 0; i < modeCount; i++)
|
|
if (displayModes[i].infoType == DISPLAYCONFIG_MODE_INFO_TYPE.DISPLAYCONFIG_MODE_INFO_TYPE_TARGET)
|
|
yield return DeviceName(displayModes[i].adapterId, displayModes[i].id);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
}
|