Migrating QuickOPC applications from OPC Classic to OPC UA
From OPC Labs Knowledge Base
| OPC Classic | OPC UA |
|---|---|
| Classes | |
| EasyDAClient | EasyUAClient |
| Interfaces | |
| IEasyDAClient | IEasyUAClient |
| IEasyDAClient/IEasyUAClient methods | |
| GetItemSubscriptionArguments | |
| IsKnownItemSubscriptionHandle | |
| ReadMultipleItems | |
| GetMultiplePropertyValues | |
| WriteMultipleItems | |
| WriteMultipleItemValues | |
| BrowseServers | |
| BrowseNodes | |
| BrowseAccessPaths | |
| BrowseProperties | |
| SubscribeMultipleItems | |
| ChangeMultipleItemSubscriptions | |
| UnsubscribeMultipleItems | |
| UnsubscribeAllItems | |
| PullMultipleItemChanges | |
| IEasyDAClient/IEasyUAClient events | |
| EventingFailure | |
| ItemChanged | |
| IEasyDAClient/IEasyUAClient extension methods (level 1) | |
| ReadItem | |
| ReadItemValue | |
| ReadMultipleItemValues | |
| GetPropertyValue | |
| WriteItem | |
| WriteItemValue | |
| BrowseBranches | |
| BrowseLeaves | |
| SubscribeItem | |
| ChangeItemSubscription | |
| UnsubscribeItem | |
| IEasyDAClient/IEasyUAClient extension methods (level 2) | |
| (tbd) | (tbd) |
