How to Create a Zip file using C#

public bool CreateZip(string ZipFileName)
{
try
{
Create an empty zip file

byte[] ZipFolder = new byte[]{100,75,50,16,10,5,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
FileStream fs = File.Create(ZipFileName);
fs.Write(ZipFolder , 0, ZipFolder.Length);
fs.Flush();
fs.Close();
fs = null;
}
catch(Exception ignore)
{
}
return true;
}

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How to open a zip file using C# ?

#region Namespace
using Shell32;
#endregion

namespace TestApplicationToZip
{
class ZipApplication
{
public static void Main(string[] args)
{
Create the object of shell.
Shell sh = new Shell();
Create a namespace and folderItem for the existing folder path.
Folder ShellFolder = sh.NameSpace("D:\\saurabh.zip");
Folder DirectoryFolder = sh.NameSpace("D:\\Unzipped Files");
Traverse each file.
foreach (FolderItem folderItem in ShellFolder .Items())
{
DirectoryFolder .CopyHere(folderItem ,o);
}
}
}
}

Enjoy the code.

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