(C# UWP/WinRT) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

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

bool success = await zip.OpenZipAsync("my_files.zip");
if (success != true) {
    Debug.WriteLine(zip.LastErrorText);
    return;
}

string unzipDir = "/temp/unzipDir";

int n;

// Get the number of files and directories in the .zip
n = zip.NumEntries;
Debug.WriteLine(Convert.ToString(n));

Chilkat.ZipEntry entry = null;

int i;
for (i = 0; i <= n - 1; i++) {

    entry = zip.GetEntryByIndex(i);
    if (entry.IsDirectory == false) {
        // (the filename may include a path)
        Debug.WriteLine(entry.FileName);

        // Your application may choose to unzip this entry
        // based on the filename.
        // If the entry should be unzipped, then call Extract(unzipDir)
        success = await entry.ExtractAsync(unzipDir);
        if (success != true) {
            Debug.WriteLine(entry.LastErrorText);
            return;
        }

    }

}