インストール済みコーデックの一覧を取得する: Win32_CodecFile - WMI Sample (VB)

Private Sub Command1_Click()

Dim CdcSet As SWbemObjectSet
Dim Cdc As SWbemObject
Dim Locator As SWbemLocator
Dim Service As SWbemServices
Dim MesStr As String

Set Locator = New WbemScripting.SWbemLocator
Set Service = Locator.ConnectServer
Set CdcSet = Service.ExecQuery("Select * From Win32_CodecFile")

For Each Cdc In CdcSet

MesStr = MesStr & _
"ファイル名：" & Cdc.FileName & "." & Cdc.Extension & vbCrLf _

Next

MsgBox "インストールされているコーデックの一覧です。" & vbCrLf & _
vbCrLf & MesStr & vbCrLf & "ですよ。"

Set CdcSet = Nothing
Set Cdc = Nothing
Set Service = Nothing
Set Locator = Nothing

End Sub