string_hack

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;

namespace ConsoleApp1
{
    [StructLayout(LayoutKind.Explicit)]
    struct Writer
    {
        private class Helper<T>
        {
            public T value;
        }

        [FieldOffset(0)]
        private Helper<object> obj;
        [FieldOffset(0)]
        private Helper<IntPtr> ptr;

        private static Writer w;

        public static IntPtr ToPointer(object obj)
        {
            if (w.obj == null)
                w.obj = new Helper<object>();

            w.obj.value = obj;
            return w.ptr.value;
        }

        public static object ToObject(IntPtr ptr)
        {
            if (w.obj == null)
                w.obj = new Helper<object>();

            w.ptr.value = ptr;
            return w.obj.value;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            string x = "azaza";
            short[] qq = new short[0];

            IntPtr xptr = Writer.ToPointer(x);
            Marshal.WriteInt32(xptr, Marshal.ReadInt32(Writer.ToPointer(qq)));

            short[] q = (short[])Writer.ToObject(xptr);

            q[0] = (short) 'b';

            Console.WriteLine("azaza");

            Console.ReadKey();
        }
    }
}