ZipUtility 1.1.4

internal partial class ZipUtilityTest : Form
{
    public ZipUtilityTest()
    {
        var statusStrip = new StatusStrip() { Parent = this, };
        var statusLabel = new ToolStripStatusLabel() { Text = "Read", Spring = true, TextAlign = ContentAlignment.MiddleLeft, };
        statusStrip.Items.Add(statusLabel);
        Action<string> progress = (l) => { statusLabel.Text = l; };

        Button buttonDisp = new Button() { Text = "表示", Parent = this, Dock = DockStyle.Top, };
        buttonDisp.Click += async (sender, e) =>
        {
            OpenFileDialog ofd = new OpenFileDialog() { InitialDirectory = Application.StartupPath, };
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                var z = await ZipViewer.Open(ofd.FileName, progress);

                MessageBox.Show(
                    string.Join(Environment.NewLine,
                    z.FileList.Select(x => x.FileName).ToArray()));

                var d = z.GetData(z.FileList.First().FileName);

                var text = Encoding.UTF8.GetString(d);
                MessageBox.Show(text);


            }
        };

        Button buttonExtract = new Button() { Text = "解凍", Parent = this, Dock = DockStyle.Top, };
        buttonExtract.Click += async (sender, e) =>
        {
            OpenFileDialog ofd = new OpenFileDialog() { InitialDirectory = Application.StartupPath, };
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                var z = await ZipViewer.Open(ofd.FileName, progress);

                await z.Extract(z.FileList);

            }

        };

        Button buttonZip = new Button() { Text = "圧縮", Parent = this, Dock = DockStyle.Top, };
        buttonZip.Click += async (sender, e) =>
        {
            using (var streamzipper = new StreamZipper("streamzip.zip"))
            {
                OpenFileDialog ofd = new OpenFileDialog() { InitialDirectory = Application.StartupPath, Multiselect = true, };
                if (ofd.ShowDialog() == DialogResult.OK)
                {
                    foreach (var f in ofd.FileNames)
                    {
                        streamzipper.Add(f, System.IO.Path.GetFileName(f));
                        progress(f);
                        await Task.Delay(1);
                    }
                }

                FolderBrowserDialog fbd = new FolderBrowserDialog() { SelectedPath = Application.StartupPath, };
                if (fbd.ShowDialog() == DialogResult.OK)
                {
                    var startpos = System.IO.Path.GetDirectoryName(fbd.SelectedPath).Length;
                    foreach (var f in System.IO.Directory.GetFiles(fbd.SelectedPath, "*", System.IO.SearchOption.AllDirectories))
                    {
                        streamzipper.Add(f, f.Substring(startpos));
                        progress(f);
                        await Task.Delay(1);
                    }
                }

                streamzipper.Close();
                streamzipper.Dispose();
                progress("Ready");

            }
        };

        StartPosition = FormStartPosition.CenterScreen;
    }
}