ImageMagick.UTF8Marshaler.ManagedToNative C# (CSharp) Метод

    internal static IntPtr ManagedToNative(string value)
    {
      if (value == null)
        return IntPtr.Zero;

      // not null terminated
      byte[] strbuf = Encoding.UTF8.GetBytes(value);
      IntPtr buffer = Marshal.AllocHGlobal(strbuf.Length + 1);
      Marshal.Copy(strbuf, 0, buffer, strbuf.Length);

      // write the terminating null
#if NET20
      Marshal.WriteByte(new IntPtr(buffer.ToInt64() + strbuf.Length), 0);
#else
      Marshal.WriteByte(buffer + strbuf.Length, 0);
#endif
      return buffer;
    }