The following tables list the members exposed by DataChangeEventArgs.
| Name | Description | |
|---|---|---|
![]()  | DataChangeEventArgs Constructor | 
| Name | Description | |
|---|---|---|
![]()  | groupHandleClient | The Client handle of the group | 
![]()  | masterError | S_OK if all 'errors are S_OK S_FALSE otherwise.  | 
![]()  | masterQuality | S_OK if OPC_QUALITY_MASK for all 'qualities' are OPC_QUALITY_GOOD S_FALSE otherwise.  | 
![]()  | sts | Item data. | 
![]()  | transactionID | 0 if the call is the result of an ordinary subscription. If the call is the result of a call to Refresh2 then this is the value passed to Refresh2.  | 
    
    
    
    
    
    
                
