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Software

Creating a ZIP File In Memory - .NET Framework

using System.Collections.Generic;
using System.IO;
using System.IO.Compression;

public class ZipEngine
{
    public byte[] ZipInMemory(Dictionary<string, byte[]> files)
    {
        using (var memoryStream = new MemoryStream())
        {
            using (var archive = new ZipArchive(memoryStream, ZipArchiveMode.Create, true))
            {
                foreach (var file in files)
                {
                    var entry = archive.CreateEntry(file.Key);

                    using (var entryStream = entry.Open())
                    {
                        entryStream.Write(file.Value, 0, file.Value.Length);
                    }
                }
            }

            return memoryStream.ToArray();
        }
    }

}