Unzip/extract files in ZIP using C#

unzip-aes-encrypted-zip-files.cs

// Open ZIP file
using (FileStream zipFile = File.Open("encrypted.zip", FileMode.Open))
{
  	// Decrypt and extract to folder
	new Archive(zipFile, new ArchiveLoadOptions() { DecryptionPassword = "p@s$" }).ExtractToDirectory("decrypted");
}

unzip-files-in-zip-archive.cs

// Open ZIP file
using (FileStream zipFile = File.Open("compressed_files.zip", FileMode.Open))
{
	using (Archive archive = new Archive(zipFile, new ArchiveLoadOptions()))
	{
		// Access each entry in ZIP archive
		for (int i = 0; i < archive.Entries.Count; i++)
		{
			int percentReady = 0;
			// Log extraction progress to the console.
			archive.Entries[i].ExtractionProgressed += (s, e) =>
			{
				int percent = (int)((100 * e.ProceededBytes) / ((ArchiveEntry)s).UncompressedSize);
				if (percent > percentReady)
				{
					Console.WriteLine(string.Format("{0}% decompressed", percent));
					percentReady = percent;
				}
			};
			// Extract entry's content to disk.
			archive.Entries[i].Extract(archive.Entries[i].Name);
		}
	}
}

unzip-files-to-folder.cs

// Open ZIP file
using (FileStream zipFile = File.Open("compressed_files.zip", FileMode.Open))
{
	using (var archive = new Archive(zipFile))
	{
		// Unzip files to folder
		archive.ExtractToDirectory("Unzipped Files");
	}
}

unzip-password-protected-zip-files.cs

// Open ZIP file
using (FileStream zipFile = File.Open("compressed_files.zip", FileMode.Open))
{
	// Decrypt using password
	using (var archive = new Archive(zipFile, new ArchiveLoadOptions() { DecryptionPassword = "p@s$" }))
	{
    		// Extract files to folder
		archive.ExtractToDirectory("Unzipped Files");
	}
}