ALFA.Shared.CodePatch.PatchCode C# (CSharp) Метод

        internal static byte[] PatchCode(IntPtr Offset, byte[] Code)
        {
            byte[] OldCode = new byte[Code.Length];
            IntPtr Written;
            IntPtr CodeBuffer;

            //
            // Save a copy of the original code, allocate an intermediate
            // fixed bounce buffer, copy to the bounce buffer, and write the
            // new code in (WriteProcessMemory will manage reprotection as
            // required).
            //

            Marshal.Copy(Offset, OldCode, 0, OldCode.Length);

            CodeBuffer = Marshal.AllocHGlobal(Code.Length);
            try
            {
                Marshal.Copy(Code, 0, CodeBuffer, Code.Length);

                if (WriteProcessMemory(GetCurrentProcess(), Offset, CodeBuffer, new IntPtr(Code.Length), out Written) == 0 || (int)Written != Code.Length)
                {
                    throw new InvalidOperationException("Couldn't write process memory.");
                }
            }
            finally
            {
                Marshal.FreeHGlobal(CodeBuffer);
            }

            return OldCode;
        }
    }