Public/console/help/Search-WmiHelp.ps1
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function Search-WmiHelp { param( [ScriptBlock]$DescriptionExpression = {}, [ScriptBlock]$MethodExpression = {}, [ScriptBlock]$PropertyExpression = {}, $Namespaces = "root\cimv2", $CultureID = (Get-Culture).LCID, [switch]$List ) $resultWmiClasses = @{} foreach ($namespace in $Namespaces) { #First, get a list of all localized namespaces under the current namespace $localizedNamespace = Get-LocalizedNamespace $namespace if ($null -eq $localizedNamespace) { Write-Verbose "Could not get a list of localized namespaces" return } $localizedClasses = Get-CimInstance -NameSpace $localizedNamespace -Query "select * from meta_class" $count = 0 foreach ($WmiClass in $localizedClasses) { $count++ Write-Progress "Searching Wmi Classes" "$count of $($localizedClasses.Count)" -PercentComplete ($count * 100 / $localizedClasses.Count) $classLocation = $localizedNamespace + ':' + $WmiClass.__Class $classInfo = Get-WmiClassInfo $classLocation [bool]$found = $false if ($null -ne $classInfo) { if (! $resultWmiClasses.ContainsKey($classLocation)) { $resultWmiClasses.Add($wmiClass.__Class, $classInfo) } $descriptionMatch = [bool]($classInfo.Description | Where-Object $DescriptionExpression) $methodMatch = [bool]($classInfo.Methods.GetEnumerator() | Where-Object $MethodExpression) $propertyMatch = [bool]($classInfo.Properties.GetEnumerator() | Where-Object $PropertyExpression) $found = $descriptionMatch -or $methodMatch -or $propertyMatch if (! $found) { $resultWmiClasses.Remove($WmiClass.__Class) } } } } if ($List) { $resultWmiClasses.Keys | Sort-Object } else { $resultWmiClasses.GetEnumerator() | Sort-Object Key } } |