一番最後に振られているドライブレター割当文字を取得する: Win32_BootConfiguration - WMI Sample (VB)

Private Sub Command1_Click()

Dim BtcSet As SWbemObjectSet
Dim Btc As SWbemObject
Dim Locator As SWbemLocator
Dim Service As SWbemServices
Dim MesStr As String

Set Locator = New WbemScripting.SWbemLocator
Set Service = Locator.ConnectServer
Set BtcSet = Service.ExecQuery("Select * From Win32_BootConfiguration")

For Each Btc In BtcSet

MesStr = MesStr & _
"LastDrive：" & Btc.LastDrive & vbCrLf & vbCrLf

Next

MsgBox "一番最後に振られているドライブレター割当文字です。" & vbCrLf & _
vbCrLf & MesStr & "ですよ。"

Set BtcSet = Nothing
Set Btc = Nothing
Set Service = Nothing
Set Locator = Nothing

End Sub