FbwfVolumeConfiguration Class (Standard 8)

7/8/2014

Review the syntax, members, and examples of the FbwfVolumeConfiguration WMI provider class for Windows Embedded 8 Standard (Standard 8).

This class contains information about the configuration of a protected volume.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties.

Syntax

class FbwfVolumeConfiguration
{
  string  Allocation;
  string  Compression;
  boolean CurrentSession;
  string  DriveLetter;
  string  Name;
  string  SessionName;
  string  SizeDisplay;
  uint32  State;
  string  StateName;
};

Members

This class defines the following types of members:

Properties

Properties

This class defines the following properties.

Property	Data type	Qualifiers	Description
Allocation	string	[Read]	Returns the state of cache pre-allocation for the given session. The state can be either "Enabled" or "Disabled".
Compression	string	[Read]	Returns the state of cache compression for the given session. The state can be either "Enabled" or "Disabled".
CurrentSession	Boolean	[Read, Key]	Returns true if the information about the exclusion list item is for the current session; returns false if it is for the next session.
DriveLetter	string	[Read]	Returns the drive letter of the volume.
Name	string	[Read, Key]	Returns the name of the volume.
SessionName	string	[Read]	Returns a string representation of the CurrentSession property. The session name can be "Current" or "Next".
SizeDisplay	string	[Read]	Returns the size display mode for the given session. The mode can be either "Virtual" or "Actual".
State	uint32	[Read]	Returns the state of the overlay for the volume. Returns 0 (zero) if the overlay is enabled; returns 1 if it is disabled.
StateName	string	[Read]	Returns the state of the overlay for the volume. The state can be either "Enabled" or "Disabled".

Example

This example can be used to enumerate all instances of FbwfVolumeConfiguration.

Windows PowerShell

$ComputerName="localhost"   # or "remote-machine-name"
$Namespace = "root\Microsoft\WriteFilters"
$Class = "FbwfVolumeConfiguration"

Write-Host "Retrieving FBWF volume configurations..."

$FbwfVolumes = Get-WmiObject `
   -ComputerName $ComputerName `
   -Namespace $Namespace `
   -Class $Class `

Write-Host "The following volume configurations were found: "
foreach ($FbwfVolume in $FbwfVolumes) {
   Write-Output $FbwfVolume `
}

VBScript

strComputer = "localhost"   ' or "remote-machine-name"
strNamespace = "\root\Microsoft\WriteFilters"
strClass = "FbwfVolumeConfiguration"

On Error Resume Next

Set FbwfVolumes = GetObject("WINMGMTS:\\" & strComputer & _
   strNamespace).InstancesOf(strClass)

If Err.Number <> 0 Then
   WScript.Echo "Method exited with error code: 0x" & Hex(Err.Number)
   Wscript.Echo Err.Source & " - " & Err.Description
   WScript.Quit(1)
End If

For Each FbwfVolume In FbwfVolumes
   WScript.Echo "Volume:" & FbwfVolume.Properties_("Name")
   For Each Prop In FbwfVolume.Properties_
      WScript.Echo Prop.Name & ":" & Prop.Value
   Next
   WScript.Echo "------------------------------"
Next

Requirements

Architecture	x64, x86
MOF	FBWFProvider.mof
Supported Clients	Windows XP Embedded SP3 Windows Embedded Standard 2009 Windows Embedded Standard 7 SP1 Windows Embedded 8 Standard WEPOS 1.1 SP3 POSReady 2009 Windows Embedded POSReady 7 Windows Fundamentals for Legacy PCs 7
WMI Namespace	root\Microsoft\WriteFilters
WMI Provider	FBWFProvider