Question list wmi disq

[code:1]
$tab_disq=Get-WmiObject -Class Win32_LogicalDisk
$tab_disq.count

$tab_disq | %{
$disq=$_
\"-\"
$disq.deviceID
\"-\"

$tab_prop=$disq | Get-Member -MemberType Property | select name
$tab_prop.Count

$tab_prop | % {
$prop=$_
$prop.name + \"=\"+$disq.GetPropertyValue($prop.Name)
}
}
[/code:1]