VBScript

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VBScript

• Session 18

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What we learn last session?
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Subjects for session 18

• WshNetwork Object
• Mapping a nwtwork printer.
• Mapping a network drive.
• WshShell Object
• Environment Varibles.
• Creating shorcuts.
• Special folder.
• Using the registry.
• WMI

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WshNetwork Object

• Provides access to the shared resources on the
  network to which your computer is connected.
• You create a WshNetwork object when you want to
  connect to network shares and network printers,
  disconnect from network shares and network
  printers, map or remove network shares, or access
  information about a user on the network.

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WshNetwork Object

• The following example demonstrates displaying the
  domain name, computer name, and user name for the
  current computer system using the WshNetwork
  object.
• Set objWshNetwork CreateObject("WScript.Network
  ")
• MsgBox "Domain " objWshNetwork.UserDomain
• MsgBox "Computer Name " objWshNetwork.Compute
  rName
• MsgBox "User Name " objWshNetwork.UserName

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WshNetwork Object AddWindowsPrinterConnection
Method

• Adds a Windows-based printer connection to your
  computer system.
• Syntax
• object.AddWindowsPrinterConnection(
  strPrinterPath )
• Using this method is similar to using the Printer
  option on Control Panel to add a printer
  connection.
• Unlike the AddPrinterConnection method, this
  method allows you to create a printer connection
  without directing it to a specific port, such as
  LPT1.
• If the connection fails, an error is thrown.

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WshNetwork Object MapNetworkDrive Method

• Adds a shared network drive to your computer
  system.
• Syntax
• object.MapNetworkDrive(strLocalName,
  strRemoteName, bUpdateProfile, strUser,
  strPassword)
• An attempt to map a non-shared network drive
  results in an error.

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WshShell Object

• You create a WshShell object whenever you want to
  run a program locally, manipulate the contents of
  the registry, create a shortcut, or access a
  system folder.
• The WshShell object provides the Environment
  collection.
• This collection allows you to handle
  environmental variables (such as WINDIR, PATH, or
  PROMPT).

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WshShell ObjectCreateShortcut Method

• Creates a new shortcut, or opens an existing
  shortcut.
• Syntax
• object.CreateShortcut(strPathname)
• The CreateShortcut method returns either a
  WshShortcut object or a WshURLShortcut object.
• Simply calling the CreateShortcut method does not
  result in the creation of a shortcut.
• The shortcut object and changes you may have made
  to it are stored in memory until you save it to
  disk with the Save method.

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WshShell ObjectSpecial Folders Property

• Returns a SpecialFolders object (a collection of
  special folders).
• Syntax
• object.SpecialFolders(objWshSpecialFolders)
• The WshSpecialFolders object is a collection.
• It contains the entire set of Windows special
  folders, such as the Desktop folder, the Start
  Menu folder, and the Personal Documents folder.
• The special folder name is used to index into the
  collection to retrieve the special folder you
  want.
• The SpecialFolders property returns an empty
  string if the requested folder (strFolderName) is
  not available.

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WshShell ObjectSpecial Folders Property

• The following special folders are available
• AllUsersDesktop
• AllUsersStartMenu
• AllUsersPrograms
• AllUsersStartup
• Desktop
• Favorites
• Fonts
• MyDocuments
• NetHood
• PrintHood
• Programs
• Recent
• SendTo
• StartMenu
• Startup
• Templates

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WshShell ObjectUsing the Registry

• RegRead method.
• Returns the value of a key or value-name from the
  registry.
• RegDelete method.
• Deletes a key or one of its values from the
  registry.
• RegWrite method
• Creates a new key, adds another value-name to an
  existing key (and assigns it a value), or changes
  the value of an existing value-name.

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WshShell ObjectRegistry Abbreviations
HKCU HKEY_CURRENT_USER
HKLM HKEY_LOCAL_MACHINE
HKCR HKEY_CLASSES_ROOT
HKEY_USERS HKEY_USERS
HKEY_CURRENT_CONFIG HKEY_CURRENT_CONFIG
Abbreviation Root key Name
HKCU HKEY_CURRENT_USER
HKLM HKEY_LOCAL_MACHINE
HKCR HKEY_CLASSES_ROOT
HKEY_USERS HKEY_USERS
HKEY_CURRENT_CONFIG HKEY_CURRENT_CONFIG
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WMIWindows Management Instrumentation

• Windows Management Instrumentation (WMI) is a
  component of the Microsoft Windows operating
  system and is the Microsoft implementation of
  Web-Based Enterprise Management (WBEM), which is
  an industry initiative to develop a standard
  technology for accessing management information
  in an enterprise environment.
• WMI uses the Common Information Model (CIM)
  industry standard to represent systems,
  applications, networks, devices, and other
  managed components.
• You can use WMI to automate administrative tasks
  in an enterprise environment.
• WMI can be used in all Windows-based
  applications, and is most useful in enterprise
  applications.

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WMIWMI Classes

• Microsoft Windows classes give you the means to
  manipulate a variety of objects. The following
  identifies the categories of Windows classes.
• Computer system hardware - Classes that represent
  hardware related objects.
• Operating System - Classes that represent
  operating system related objects.
• Installed Applications - Classes that represent
  software related objects.
• WMI Services ?Management - Classes used to manage
  WMI.
• Performance Counters - Classes that represent
  formatted and raw performance data.

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WMIWin32_OperatingSystem Class

• The Win32_OperatingSystem WMI class represents an
  operating system installed on a Windows computer
  system.
• Any operating system that can be installed on a
  Windows system is a descendent or member of this
  class.
• If a computer has multiple operating systems
  installed, this class returns only an instance
  for the currently active operating system.

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WMIWin32_OperatingSystem Class

• Methods
• Reboot
• ShutDown
• SetDateTime
• Win32_Shutdown
• For more informationhttp//msdn.microsoft.com/lib
  rary/default.asp?url/library/en-us/wmisdk/wmi/win
  32_operatingsystem.asp

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WMIExample

• Const WMI_REBOOT 2
• strComputer "."
• Set objWMIService GetObject("winmgmts\\"
  strComputer "\root\cimv2")
• Set colItems objWMIService.ExecQuery("Select
  from Win32_OperatingSystem",,48)
• For Each objItem in colItems
• MsgBox "LastBootUpTime " objItem.LastBootUpTim
  e
• MsgBox "FreePhysicalMemory "
  objItem.FreePhysicalMemory
• objWMIService.ExecMethod objItem , ShutDown"
• objItem.Win32Shutdown(WMI_REBOOT)
• Next

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