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Merge pull request #36 from vignetteapp/windows-display
Add gdigrab display enumeration
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| // Copyright (c) The Vignette Authors | ||
| // This file is part of SeeShark. | ||
| // SeeShark is licensed under the BSD 3-Clause License. See LICENSE for details. | ||
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| using System; | ||
| using System.Runtime.InteropServices; | ||
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| namespace SeeShark.Interop.Windows | ||
| { | ||
| [StructLayout(LayoutKind.Sequential)] | ||
| internal struct DevMode | ||
| { | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)] | ||
| internal string dmDeviceName; | ||
| internal short dmSpecVersion; | ||
| internal short dmDriverVersion; | ||
| internal short dmSize; | ||
| internal short dmDriverExtra; | ||
| internal int dmFields; | ||
| internal int dmPositionX; | ||
| internal int dmPositionY; | ||
| internal int dmDisplayOrientation; | ||
| internal int dmDisplayFixedOutput; | ||
| internal short dmColor; | ||
| internal short dmDuplex; | ||
| internal short dmYResolution; | ||
| internal short dmTTOption; | ||
| internal short dmCollate; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)] | ||
| internal string dmFormName; | ||
| internal short dmLogPixels; | ||
| internal int dmBitsPerPel; | ||
| internal int dmPelsWidth; | ||
| internal int dmPelsHeight; | ||
| internal int dmDisplayFlags; | ||
| internal int dmDisplayFrequency; | ||
| internal int dmICMMethod; | ||
| internal int dmICMIntent; | ||
| internal int dmMediaType; | ||
| internal int dmDitherType; | ||
| internal int dmReserved1; | ||
| internal int dmReserved2; | ||
| internal int dmPanningWidth; | ||
| internal int dmPanningHeight; | ||
| } | ||
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| [StructLayout(LayoutKind.Sequential)] | ||
| internal struct Rect | ||
| { | ||
| internal int left; | ||
| internal int top; | ||
| internal int right; | ||
| internal int bottom; | ||
| } | ||
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| internal enum MONITORINFOF : ulong | ||
| { | ||
| PRIMARY = 1 | ||
| } | ||
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| [StructLayout(LayoutKind.Sequential)] | ||
| internal struct MonitorInfoEx | ||
| { | ||
| internal uint size; | ||
| internal Rect monitor; | ||
| internal Rect work; | ||
| internal uint flags; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] | ||
| internal string deviceName; | ||
| } | ||
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| internal enum DpiType | ||
| { | ||
| Effective, | ||
| Angular, | ||
| Raw | ||
| } | ||
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| [Flags] | ||
| internal enum DisplayDeviceStateFlags : int | ||
| { | ||
| /// <summary> | ||
| /// The device is part of the desktop. | ||
| /// </summary> | ||
| AttachedToDesktop = 0x1, | ||
| MultiDriver = 0x2, | ||
| /// <summary>The device is part of the desktop.</summary> | ||
| PrimaryDevice = 0x4, | ||
| /// <summary>Represents a pseudo device used to mirror application drawing for remoting or other purposes.</summary> | ||
| MirroringDriver = 0x8, | ||
| /// <summary>The device is VGA compatible.</summary> | ||
| VGACompatible = 0x10, | ||
| /// <summary>The device is removable; it cannot be the primary display.</summary> | ||
| Removable = 0x20, | ||
| /// <summary>The device has more display modes than its output devices support.</summary> | ||
| ModesPruned = 0x8000000, | ||
| Remote = 0x4000000, | ||
| Disconnect = 0x2000000 | ||
| } | ||
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| #pragma warning disable CA1815 | ||
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| // This is never compared in the code, so we can suppress the warning. | ||
| [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Ansi)] | ||
| internal struct DISPLAY_DEVICE | ||
| { | ||
| [MarshalAs(UnmanagedType.U4)] | ||
| internal int cb; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)] | ||
| internal string DeviceName; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] | ||
| internal string DeviceString; | ||
| [MarshalAs(UnmanagedType.U4)] | ||
| internal DisplayDeviceStateFlags StateFlags; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] | ||
| internal string DeviceID; | ||
| [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] | ||
| internal string DeviceKey; | ||
| } | ||
| #pragma warning restore CA1815 | ||
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| internal static partial class User32 | ||
| { | ||
| internal delegate bool MonitorEnumDelegate(IntPtr hMonitor, IntPtr hdcMonitor, ref Rect lprcMonitor, IntPtr dwData); | ||
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| [DllImport("user32.dll")] | ||
| internal static extern bool EnumDisplayMonitors(IntPtr hdc, IntPtr lprcClip, MonitorEnumDelegate lpfnEnum, IntPtr dwData); | ||
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| [DllImport("user32.dll")] | ||
| internal static extern bool GetMonitorInfo(IntPtr hmon, ref MonitorInfoEx mi); | ||
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| #pragma warning disable CA2101 | ||
| [DllImport("user32.dll", CharSet = CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true)] | ||
| internal static extern bool EnumDisplaySettings(string deviceName, int modeNum, ref DevMode devMode); | ||
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| [DllImport("user32.dll", CharSet = CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true)] | ||
| internal static extern bool EnumDisplayDevices(string lpDevice, uint iDevNum, ref DISPLAY_DEVICE lpDisplayDevice, uint dwFlags); | ||
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| #pragma warning restore CA2101 | ||
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| [DllImport("Shcore.dll")] | ||
| internal static extern int GetDpiForMonitor(IntPtr hmon, DpiType dpiType, out uint dpiX, out uint dpiY); | ||
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| [DllImport("Shcore.dll")] | ||
| internal static extern int SetProcessDpiAwareness(int awareness); | ||
| } | ||
| } |