using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace Sys
{
    public partial class RS232_API
    {
        [DllImport("RS232_DLL.dll", EntryPoint = "init_rs232",
          SetLastError = true, CharSet = CharSet.Unicode,
          ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
        public static extern bool init_rs232(IntPtr hwnd, UInt16 com_type, UInt16 baud);

        [DllImport("RS232_DLL.dll", EntryPoint = "Write_Com",
          SetLastError = true, CharSet = CharSet.Unicode,
          ExactSpelling = true, CallingConvention = CallingConvention.Cdecl)]
        public static extern void Write_Com(byte[] Str, int len);

    }
}