[C#]

// Create a ZipArchive object to access the zipfile.
ZipArchive zip = new ZipArchive(zipFilename);

// Obtain a flat array of all the files contained in the zip file and its subfolders.
ZipFile[] files = zip.GetFiles(true, fileMask);

// Iterate on the returned array of AbstractFile objects, and print the full name
// of each file.
foreach (ZipFile file in files)
    Console.WriteLine(file.FullName);

[VB.NET]

 ' Create a ZipArchive object to access the zipfile.
Dim zip As New ZipArchive(zipFilename)

' Obtain a flat array of all the files contained in the zip file and its subfolders.
Dim files As ZipFile() = zip.GetFiles(True, fileMask)

' Iterate on the returned array of AbstractFile objects, and print the full name
' of each file.
For Each file As ZipFile In files
    Console.WriteLine(file.FullName)
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