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Catalog ActiveConnection Property Example (VB)

Setting the ActiveConnection property to a valid, open connection "opens" the catalog. From an open catalog, you can access the schema objects contained within that catalog.

' BeginOpenConnectionVB
Sub Main()
    On Error GoTo OpenConnectionError
    Dim cnn As New ADODB.Connection
    Dim cat As New ADOX.Catalog
    cnn.Open "Provider='Microsoft.Jet.OLEDB.4.0';" & _
        "Data Source= 'Northwind.mdb';"
    Set cat.ActiveConnection = cnn
    Debug.Print cat.Tables(0).Type
    'Clean up
    Set cat = Nothing
    Set cnn = Nothing
    Exit Sub
    Set cat = Nothing

    If Not cnn Is Nothing Then
        If cnn.State = adStateOpen Then cnn.Close
    End If
    Set cnn = Nothing

    If Err <> 0 Then
        MsgBox Err.Source & "-->" & Err.Description, , "Error"
    End If
End Sub
' EndOpenConnectionVB

Setting the ActiveConnection property to a valid connection string also "opens" the catalog.

Attribute VB_Name = "Catalog"
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