using java.io;
using java.util;
using java.util.zip;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace CsZipEntry
{
    class Program
    {
        [DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
        public static extern void LoadLibrary(String lpFileName);

        static void Main(string[] args)
        {
            if (Environment.Version.Major >= 4) {
                String folder = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.System),
                                            @"C:\Windows\Microsoft.NET\Framework\v2.0.50727");
                folder = Path.GetFullPath(folder);
                LoadLibrary(Path.Combine(folder, "vjsnativ.dll"));
            }

            //開くZIPファイルの設定
            string zipPath = "C:\\test\\test.zip";

            //読み込む
            FileInputStream fis = new FileInputStream(zipPath);
            ZipInputStream zis = new ZipInputStream(fis);

            //ZIP内のファイル情報を取得
            ZipEntry ze;
            while ((ze = zis.getNextEntry()) != null)
            {
                if (!ze.isDirectory())
                {
                    //情報を表示する
                    Console.WriteLine("ファイル名 : {0}", ze.getName());
                    Console.WriteLine("サイズ : {0} bytes", ze.getSize());
                    Console.WriteLine("圧縮サイズ : {0} bytes",
                        ze.getCompressedSize());
                    Console.WriteLine("CRC : {0:X}", ze.getCrc());
                    Date date = new Date(ze.getTime());
                    Console.WriteLine("日時 : {0}", date.ToString());
                    Console.WriteLine();
                }
            }

            //閉じる
            zis.close();
            fis.close();
        }
    }
}