Saving a String Variable to a Zip File

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To save a string variable to a zip file, use one of the following methods:

C1ZipEntryCollection.OpenWriter method
Use the OpenWriter method to get a stream writer, write the string into it, and then close it. The data is compressed as you write it into the stream, and the whole stream is saved into the zip file when you close it.
MemoryStream method
Use a MemoryStream method; write the data into it, and then add the stream to the zip file. Note that this method requires a little more work than the OpenWriter method, but is still very manageable.

The following code shows both methods. In this example, the code for the OpenWriter method is shown in the button1_Click event. The code for the MemoryStream method is shown in the button2_Click event.

Make sure to add these using statements at the top of the code:

C#	Copy Code
using C1.C1Zip; using Microsoft.Win32; using System.IO;

C#	Copy Code
public partial class MainWindow : Window { private string shakespeareText = ""; private C1ZipFile zipFile = null; public MainWindow() { InitializeComponent(); shakespeareText = "Shall I compare thee to a summer's day? " + "Thou art more lovely and more temperate. " + "Rough winds do shake the darling buds of May, " + "And summer's lease hath all too short a date."; zipFile = new C1ZipFile(); } private void button1_Click(object sender, RoutedEventArgs e) { SaveFileDialog dlgSaveFile = new SaveFileDialog(); dlgSaveFile.Filter = "Zip Files (.zip) \| .zip"; if (dlgSaveFile.ShowDialog() == true) { zipFile.Create(dlgSaveFile.OpenFile()); } // Method 1: OpenWriter. Stream stream = zipFile.Entries.OpenWriter("Shakespeare.txt", true); C1ZStreamWriter sw = new C1ZStreamWriter(stream); byte[] text = System.Text.Encoding.Unicode.GetBytes(shakespeareText); sw.Write(text, 0, text.Length); sw.Flush(); stream.Close(); } private void button2_Click(object sender, RoutedEventArgs e) { SaveFileDialog dlgSaveFile = new SaveFileDialog(); dlgSaveFile.Filter = "Zip Files (.zip) \| .zip"; if (dlgSaveFile.ShowDialog() == true) { zipFile.Create(dlgSaveFile.OpenFile()); } // Method 2: Memory Stream. Stream stream = new MemoryStream(); C1ZStreamWriter sw = new C1ZStreamWriter(stream); byte[] text = System.Text.Encoding.Unicode.GetBytes(shakespeareText); sw.Write(text, 0, text.Length); sw.Flush(); stream.Position = 0; zipFile.Entries.Add(stream, "Shakespeare2.txt"); stream.Close(); }

Copy Code

public partial class MainWindow : Window
    {
        private string shakespeareText = "";
        private C1ZipFile zipFile = null;      
        public MainWindow()
        {
            InitializeComponent();
            shakespeareText = "Shall I compare thee to a summer's day? " +
               "Thou art more lovely and more temperate. " +
               "Rough winds do shake the darling buds of May, " +
               "And summer's lease hath all too short a date.";
            zipFile = new C1ZipFile();
        }
private void button1_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog dlgSaveFile = new SaveFileDialog();
            dlgSaveFile.Filter = "Zip Files (*.zip) | *.zip";
            if (dlgSaveFile.ShowDialog() == true)
            {
                zipFile.Create(dlgSaveFile.OpenFile());
            }
            // Method 1: OpenWriter.
            Stream stream = zipFile.Entries.OpenWriter("Shakespeare.txt", true);
            C1ZStreamWriter sw = new C1ZStreamWriter(stream);
            byte[] text = System.Text.Encoding.Unicode.GetBytes(shakespeareText);
            sw.Write(text, 0, text.Length);
            sw.Flush();
            stream.Close();
        }
        private void button2_Click(object sender, RoutedEventArgs e)
        {
            SaveFileDialog dlgSaveFile = new SaveFileDialog();
            dlgSaveFile.Filter = "Zip Files (*.zip) | *.zip";
            if (dlgSaveFile.ShowDialog() == true)
            {
                zipFile.Create(dlgSaveFile.OpenFile());
            }
            // Method 2: Memory Stream.
            Stream stream = new MemoryStream();
            C1ZStreamWriter sw = new C1ZStreamWriter(stream);
            byte[] text = System.Text.Encoding.Unicode.GetBytes(shakespeareText);
            sw.Write(text, 0, text.Length);
            sw.Flush();
            stream.Position = 0;
            zipFile.Entries.Add(stream, "Shakespeare2.txt");
            stream.Close();
        }

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