Gamma Init

app/WindowsDisplayAPI/Native/Structures/LUID.cs

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+using System;
+using System.Runtime.InteropServices;
+
+namespace WindowsDisplayAPI.Native.Structures
+{
+    /// <summary>
+    ///     Locally unique identifier is a 64-bit value guaranteed to be unique only on the system on which it was generated.
+    /// </summary>
+    [StructLayout(LayoutKind.Sequential)]
+    public struct LUID : IEquatable<LUID>
+    {
+        /// <summary>
+        ///     32Bit unsigned integer, low
+        /// </summary>
+        public readonly uint LowPart;
+
+        /// <summary>
+        ///     32Bit signed integer, high
+        /// </summary>
+        public readonly int HighPart;
+
+        /// <summary>
+        ///     Creates a new LUID
+        /// </summary>
+        /// <param name="lowPart">32Bit unsigned integer, low</param>
+        /// <param name="highPart">32Bit signed integer, high</param>
+        public LUID(uint lowPart, int highPart)
+        {
+            LowPart = lowPart;
+            HighPart = highPart;
+        }
+
+        /// <inheritdoc />
+        public override string ToString()
+        {
+            return $"{{ {LowPart:X} - {HighPart:X} }}";
+        }
+
+        /// <inheritdoc />
+        public bool Equals(LUID other)
+        {
+            return LowPart == other.LowPart && HighPart == other.HighPart;
+        }
+
+        /// <inheritdoc />
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            return obj is LUID luid && Equals(luid);
+        }
+
+        /// <summary>
+        ///     Checks for equality between two objects of same type
+        /// </summary>
+        /// <param name="left">The first object</param>
+        /// <param name="right">The second object</param>
+        /// <returns>true, if both objects are equal, otherwise false</returns>
+        public static bool operator ==(LUID left, LUID right)
+        {
+            return Equals(left, right) || left.Equals(right);
+        }
+
+        /// <summary>
+        ///     Checks for inequality between two objects of same type
+        /// </summary>
+        /// <param name="left">The first object</param>
+        /// <param name="right">The second object</param>
+        /// <returns>true, if both objects are not equal, otherwise false</returns>
+        public static bool operator !=(LUID left, LUID right)
+        {
+            return !(left == right);
+        }
+
+        /// <inheritdoc />
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return ((int) LowPart * 397) ^ HighPart;
+            }
+        }
+
+        /// <summary>
+        ///     Checks if this type is empty and holds no real data
+        /// </summary>
+        /// <returns>true if empty, otherwise false</returns>
+        public bool IsEmpty()
+        {
+            return LowPart == 0 && HighPart == 0;
+        }
+
+        /// <summary>
+        ///     Returns an empty instance of this type
+        /// </summary>
+        public static LUID Empty
+        {
+            get => default;
+        }
+    }
+}

app/WindowsDisplayAPI/Native/Structures/PointL.cs

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+using System;
+using System.Diagnostics.Contracts;
+using System.Drawing;
+using System.Runtime.InteropServices;
+
+namespace WindowsDisplayAPI.Native.Structures
+{
+    // https://msdn.microsoft.com/en-us/library/vs/alm/dd162807(v=vs.85).aspx
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct PointL : IEquatable<PointL>
+    {
+        [MarshalAs(UnmanagedType.I4)] public readonly int X;
+        [MarshalAs(UnmanagedType.I4)] public readonly int Y;
+
+        [Pure]
+        public Point ToPoint()
+        {
+            return new Point(X, Y);
+        }
+
+        [Pure]
+        public Size ToSize()
+        {
+            return new Size(X, Y);
+        }
+
+        public PointL(Point point) : this(point.X, point.Y)
+        {
+        }
+
+        public PointL(Size size) : this(size.Width, size.Height)
+        {
+        }
+
+        public PointL(int x, int y)
+        {
+            X = x;
+            Y = y;
+        }
+
+        public bool Equals(PointL other)
+        {
+            return X == other.X && Y == other.Y;
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            return obj is PointL point && Equals(point);
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (X * 397) ^ Y;
+            }
+        }
+
+        public static bool operator ==(PointL left, PointL right)
+        {
+            return Equals(left, right) || left.Equals(right);
+        }
+
+        public static bool operator !=(PointL left, PointL right)
+        {
+            return !(left == right);
+        }
+    }
+}

app/WindowsDisplayAPI/Native/Structures/RectangleL.cs

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+using System;
+using System.Diagnostics.Contracts;
+using System.Drawing;
+using System.Runtime.InteropServices;
+
+namespace WindowsDisplayAPI.Native.Structures
+{
+    // https://msdn.microsoft.com/en-us/library/vs/alm/dd162907(v=vs.85).aspx
+    [StructLayout(LayoutKind.Sequential)]
+    internal struct RectangleL : IEquatable<RectangleL>
+    {
+        [MarshalAs(UnmanagedType.U4)] public readonly int Left;
+        [MarshalAs(UnmanagedType.U4)] public readonly int Top;
+        [MarshalAs(UnmanagedType.U4)] public readonly int Right;
+        [MarshalAs(UnmanagedType.U4)] public readonly int Bottom;
+
+        [Pure]
+        public Rectangle ToRectangle()
+        {
+            return new Rectangle(Left, Top, Right - Left, Bottom - Top);
+        }
+
+        public RectangleL(int left, int top, int right, int bottom)
+        {
+            Left = left;
+            Top = top;
+            Right = right;
+            Bottom = bottom;
+        }
+
+        public RectangleL(Rectangle rectangle) : this(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom)
+        {
+        }
+
+        public bool Equals(RectangleL other)
+        {
+            return Left == other.Left && Top == other.Top && Right == other.Right && Bottom == other.Bottom;
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj))
+            {
+                return false;
+            }
+
+            return obj is RectangleL rectangle && Equals(rectangle);
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                var hashCode = Left;
+                hashCode = (hashCode * 397) ^ Top;
+                hashCode = (hashCode * 397) ^ Right;
+                hashCode = (hashCode * 397) ^ Bottom;
+
+                return hashCode;
+            }
+        }
+
+        public static bool operator ==(RectangleL left, RectangleL right)
+        {
+            return Equals(left, right) || left.Equals(right);
+        }
+
+        public static bool operator !=(RectangleL left, RectangleL right)
+        {
+            return !(left == right);
+        }
+    }
+}