组和用户追加、ChangePassword 方法示例 （VB）

此示例演示 组的 Append 方法，以及向系统添加新的 组 和新的 用户，用户 的 追加 方法。 新的 组 将追加到新 用户的 组 集合中。 因此，新的 用户 将添加到 组。 此外，ChangePassword 方法用于指定 用户 密码。

注意

如果要连接到支持 Windows 身份验证的数据源提供程序，则应指定 Trusted_Connection=yes 或 Integrated Security = SSPI，而不是连接字符串中的用户 ID 和密码信息。

' BeginGroupVB  
Sub Main()  
    On Error GoTo GroupXError  
  
    Dim cat As ADOX.Catalog  
    Dim usrNew As ADOX.User  
    Dim usrLoop As ADOX.User  
    Dim grpLoop As ADOX.Group  
  
    Set cat = New ADOX.Catalog  
  
    cat.ActiveConnection = "Provider='Microsoft.Jet.OLEDB.4.0';" & _  
        "Data Source='Northwind.mdb';" & _  
        "jet oledb:system database=" & _  
        "'system.mdw'"  
  
    With cat  
        'Create and append new group with a string.  
        .Groups.Append "Accounting"  
  
        ' Create and append new user with an object.  
        Set usrNew = New ADOX.User  
        usrNew.Name = "Pat Smith"  
        usrNew.ChangePassword "", "Password1"  
        .Users.Append usrNew  
  
        ' Make the user Pat Smith a member of the  
        ' Accounting group by creating and adding the  
        ' appropriate Group object to the user's Groups  
        ' collection. The same is accomplished if a User  
        ' object representing Pat Smith is created and  
        ' appended to the Accounting group Users collection  
        usrNew.Groups.Append "Accounting"  
  
        ' Enumerate all User objects in the  
        ' catalog's Users collection.  
        For Each usrLoop In .Users  
            Debug.Print "  " & usrLoop.Name  
            Debug.Print "    Belongs to these groups:"  
            ' Enumerate all Group objects in each User  
            ' object's Groups collection.  
            If usrLoop.Groups.Count <> 0 Then  
                For Each grpLoop In usrLoop.Groups  
                    Debug.Print "    " & grpLoop.Name  
                Next grpLoop  
            Else  
                Debug.Print "    [None]"  
            End If  
        Next usrLoop  
  
        ' Enumerate all Group objects in the default  
        ' workspace's Groups collection.  
        For Each grpLoop In .Groups  
            Debug.Print "  " & grpLoop.Name  
            Debug.Print "    Has as its members:"  
            ' Enumerate all User objects in each Group  
            ' object's Users collection.  
            If grpLoop.Users.Count <> 0 Then  
                For Each usrLoop In grpLoop.Users  
                    Debug.Print "    " & usrLoop.Name  
                Next usrLoop  
            Else  
                Debug.Print "    [None]"  
            End If  
        Next grpLoop  
  
        ' Delete new User and Group objects because this  
        ' is only a demonstration.  
        ' These two line are commented out because the sub "OwnersX" uses  
        ' the group "Accounting".  
'        .Users.Delete "Pat Smith"  
'        .Groups.Delete "Accounting"  
  
    End With  
  
    'Clean up  
    Set cat.ActiveConnection = Nothing  
    Set cat = Nothing  
    Set usrNew = Nothing  
    Exit Sub  
  
GroupXError:  
  
    Set cat = Nothing  
    Set usrNew = Nothing  
  
    If Err <> 0 Then  
        MsgBox Err.Source & "-->" & Err.Description, , "Error"  
    End If  
End Sub  
' EndGroupVB  

另请参阅

Append 方法（ADOX 组）
Append 方法（ADOX 用户）
目录对象 （ADOX）
ChangePassword 方法 （ADOX）
组对象 （ADOX）
组集合 （ADOX）
用户对象 （ADOX）
用户集合 （ADOX）