| Name | Description | |
|---|---|---|
![]()  | ErrorId | Gets the error ID of the error. | 
![]()  | Item | A string specifying the OPC-DA item. | 
![]()  | Server | A string specifying the OPC-DA server. | 
![]()  | VtqPayload | An event payload for OPC-DA data value, timestamp and quality. | 
            For a list of all members of this type, see DAItemChangedPayload<TValue> members.
| Name | Description | |
|---|---|---|
![]()  | ErrorId | Gets the error ID of the error. | 
![]()  | Item | A string specifying the OPC-DA item. | 
![]()  | Server | A string specifying the OPC-DA server. | 
![]()  | VtqPayload | An event payload for OPC-DA data value, timestamp and quality. |