Overload List
| Overload | Description |
|---|---|
| BeginHistoryReadAtTime(IList<HistoryReadValueId>,ReadAtTimeDetails,AsyncCallback,Object) | Reads the history of item values asynchronously from the OPC server for the given timestamps. |
| BeginHistoryReadAtTime(IList<HistoryReadValueId>,ReadAtTimeDetails,TimestampsToReturn,RequestSettings,AsyncCallback,Object) | Reads the history of item values asynchronously from the OPC server for the given timestamps. |
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2015, .NET4.x