michael_wp原创：用.net实现zip----1

//ZipEntry.cs
using System;
using System.IO;
namespace OrganicBit.Zip {
    ///

Specifies how the the zip entry should be compressed.

    public enum CompressionMethod {
        ///

No compression.

        Stored = 0,
        ///

Default and only supported compression method.

        Deflated = 8
    }
    ///

Specifies the amount of compression to apply to compressed zip entires.

    public enum CompressionLevel : int {
        ///

Default compression level.    A good choice for speed and size.

        Default = -1,
        ///

Do not perfrom compression.

        None = 0,
        ///

Compress the entry as fast as possible size trading size for time.

        Fastest = 1,
        ///

Compress the entry using a balance of size and time.