Unzip a .zip Archive

Demonstrates how to open a .zip archive and unzip. The Unzip method extracts the files and directories from a .zip archive and recreates the directory tree rooted at the directory path passed to Unzip.

Download: Chilkat .NET Assemblies

Chilkat.Zip zip = new Chilkat.Zip();

bool success;

//  Any string unlocks the component for the 1st 30-days.
success = zip.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    textBox1.Text += zip.LastErrorText + "\r\n";
    return;
}

success = zip.OpenZip("my_files.zip");
if (success != true) {
    textBox1.Text += zip.LastErrorText + "\r\n";
    return;
}

int unzipCount;

//  Returns the number of files and directories unzipped.
//  Unzips to /my_files, re-creating the directory tree
//  from the .zip.
unzipCount = zip.Unzip("/my_files");
if (unzipCount < 0) {
    textBox1.Text += zip.LastErrorText + "\r\n";
}
else {
    MessageBox.Show("Success!");
}