Use java.util develop a C#.net zip tools

ZipFolder(FolderName, ZipFileName, "", os);

os.closeEntry();

os.close();

}

public static void ZipFolder(string FolderName, string ZipFileName, string Addon, ZipOutputStream os)

string[] strs1 = Directory.GetFiles(FolderName);

string[] strs2 = Directory.GetDirectories(FolderName);

for (int i = 0; i < (int)strs1.Length; i++)

string str1 = strs1[i];

FileInfo fileInfo = new FileInfo(str1);

ZipEntry ze = new ZipEntry(string.Concat(Addon,fileInfo.Name));