Shaker/ShakerFile/ShakerFile/ShakerStringInfo.cs

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

namespace ShakerFile
{
    public class ShakerStringInfo
    {
        public string ShakerName = string.Empty;
        public string ShakerSN = string.Empty;
        public byte[] TestConfig = new byte[0];
        public string ChannelNames = string.Empty;

        public void Read(IntPtr file)
        {
            int count = 0;
            int len = 0;
            WinFile.ReadFile(file, ref Unsafe.As<int, byte>(ref len), 4, out _, 0);
            count += 4;
            if (len > 0)
            {
                byte[] temp = new byte[len];
                WinFile.ReadFile(file, ref temp[0], (uint)len, out _, 0);
                ShakerName = Encoding.Default.GetString(temp);
            }
            count += len;
            len = 0;
            WinFile.ReadFile(file, ref Unsafe.As<int, byte>(ref len), 4, out _, 0);
            count += 4;
            if (len > 0)
            {
                byte[] temp = new byte[len];
                WinFile.ReadFile(file, ref temp[0], (uint)len, out _, 0);
                ShakerSN = Encoding.Default.GetString(temp);
            }
            count += len;
            len = 0;
            WinFile.ReadFile(file, ref Unsafe.As<int, byte>(ref len), 4, out _, 0); if (len > 0)
            {
                TestConfig = new byte[len];
                WinFile.ReadFile(file, ref TestConfig[0], (uint)len, out _, 0);
            }
            count += len;
            len = 0;
            WinFile.ReadFile(file, ref Unsafe.As<int, byte>(ref len), 4, out _, 0);
            if (len > 0)
            {
                byte[] temp = new byte[len];
                WinFile.ReadFile(file, ref temp[0], (uint)len, out _, 0);
                ChannelNames = Encoding.Default.GetString(temp);
            }
            count += len;
        }
        public void Write(IntPtr file, ref int count)
        {
            List<byte[]> bytes = new List<byte[]>();
            bytes.Add(Encoding.Default.GetBytes(ShakerName));
            bytes.Add(Encoding.Default.GetBytes(ShakerSN));
            bytes.Add(TestConfig);
            bytes.Add(Encoding.Default.GetBytes(ChannelNames));
            count = 0;
            for (int i = 0; i < bytes.Count; i++)
            {
                int len = bytes[i].Length;
                WinFile.WriteFile(file, ref Unsafe.As<int, byte>(ref len), 4, out _, 0);
                count += 4;
                if (len > 0)
                {
                    WinFile.WriteFile(file, ref bytes[i][0], (uint)len, out _, 0);
                }
                count += len;
            }
        }
    }
}