Zip "D:\test.iso", "D:\test.zip"
Zip "D:\test", "D:\test.zip"
Msgbox "OK"

Sub Zip(ByVal mySourceDir, ByVal myZipFile)
Set fso = CreateObject("Scripting.FileSystemObject")
If fso.GetExtensionName(myZipFile) > "zip" Then
Exit Sub
ElseIf fso.FolderExists(mySourceDir) Then
FType = "Folder"
ElseIf fso.FileExists(mySourceDir) Then
FType = "File"
FileName = fso.GetFileName(mySourceDir)
FolderPath = Left(mySourceDir, Len(mySourceDir) - Len(FileName))
Else
Exit Sub
End If
Set f = fso.CreateTextFile(myZipFile, True)
f.Write "PK" Chr(5) Chr(6) String(18, Chr(0))
f.Close
Set objShell = CreateObject("Shell.Application")
Select Case Ftype
Case "Folder"
Set objSource = objShell.NameSpace(mySourceDir)
Set objFolderItem = objSource.Items()
Case "File"
Set objSource = objShell.NameSpace(FolderPath)
Set objFolderItem = objSource.ParseName(FileName)
End Select
Set objTarget = objShell.NameSpace(myZipFile)
intOptions = 256
objTarget.CopyHere objFolderItem, intOptions
Do
WScript.Sleep 1000
Loop Until objTarget.Items.Count > 0
End Sub

UnZip "D:\test.iso", "D:\test.zip"
Msgbox "OK"

Sub CopyFolder(ByVal mySourceDir, ByVal myTargetDir)
Set fso = CreateObject("Scripting.FileSystemObject")
If NOT fso.FolderExists(mySourceDir) Then
Exit Sub
ElseIf NOT fso.FolderExists(myTargetDir) Then
fso.CreateFolder(myTargetDir)
End If
Set objShell = CreateObject("Shell.Application")
Set objSource = objShell.NameSpace(mySourceDir)
Set objFolderItem = objSource.Items()
Set objTarget = objShell.NameSpace(myTargetDir)
intOptions = 256
objTarget.CopyHere objFolderItem, intOptions
End Sub