| Class | Description | |
|---|---|---|
![]()  | DADialog | A dialog for OPC-DA. | 
![]()  | DAItemDialog | Displays a dialog box from which the user can select an OPC Data Access item. | 
![]()  | DAPropertyDialog | Displays a dialog box from which the user can select an OPC Data Access property. | 
            | Class | Description | |
|---|---|---|
![]()  | DADialog | A dialog for OPC-DA. | 
![]()  | DAItemDialog | Displays a dialog box from which the user can select an OPC Data Access item. | 
![]()  | DAPropertyDialog | Displays a dialog box from which the user can select an OPC Data Access property. | 
Articles in this section apply to OPC "Classic" DA and OPC XML-DA.