using IronZip;
using System;
using System.Collections.Generic;

// Open existing ZIP
using (var archive = new IronZipArchive("existing.zip"))
{
    // Get Entries list
    List<Entry> entries = archive.Entries();
    foreach (Entry entry in entries)
    {
        Console.WriteLine(entry.Name);
          }
}

Imports IronZip
Imports System
Imports System.Collections.Generic

' Open existing ZIP
Using archive = New IronZipArchive("existing.zip")
	' Get Entries list
	Dim entries As List(Of Entry) = archive.Entries()
	For Each entry As Entry In entries
		Console.WriteLine(entry.Name)
	Next entry
End Using