fastCSharp/reflection/pointUnion.cs

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using System;
using System.Runtime.InteropServices;

namespace fastCSharp.reflection
{
    /// <summary>
    /// 指针联合体，用于获取对象指针
    /// </summary>
    [StructLayout(LayoutKind.Explicit)]
    internal struct pointUnion
    {
        /// <summary>
        /// 委托方法
        /// </summary>
        [StructLayout(LayoutKind.Explicit)]
        public sealed class target
        {
            /// <summary>
            /// 对象
            /// </summary>
            [FieldOffset(0)]
            public object Target;
        }
        /// <summary>
        /// 指针
        /// </summary>
        [StructLayout(LayoutKind.Explicit)]
        public sealed unsafe class point
        {
            /// <summary>
            /// 指针
            /// </summary>
#pragma warning disable 649
            [FieldOffset(0)]
            public void* Point;
#pragma warning restore 649
        }
        /// <summary>
        /// 指针
        /// </summary>
        [FieldOffset(0)]
        public point Point;
        /// <summary>
        /// 对象
        /// </summary>
        [FieldOffset(0)]
        public target Target;
        /// <summary>
        /// 指针联合体
        /// </summary>
        /// <param name="target">对象</param>
        public unsafe pointUnion(object target)
        {
            Point = new point();
            Target = new target { Target = target };
        }
        /// <summary>
        /// 指针联合体
        /// </summary>
        /// <param name="point">指针</param>