This asynchronous function deletes the values, qualities, and timestamps from the history database for the specified time domain for one or more items. This function is intended to be used to delete data that has been accidentally entered into the history database; e.g., deletion of data from a source with incorrect timestamps.
The results are returned via the client's UpdateComplete event handler.
Overload List
| Overload | Description |
|---|---|
| DeleteRaw(Int32,OPCHDAtime,OPCHDAtime,Int32[],Int32,Int32[]) | This asynchronous function deletes the values, qualities, and timestamps from the history database for the specified time domain for one or more items. This function is intended to be used to delete data that has been accidentally entered into the history database; e.g., deletion of data from a source with incorrect timestamps. The results are returned via the client's UpdateComplete event handler. |
| DeleteRaw(OPCHDAtime,OPCHDAtime,Int32[],Int32[]) | This synchronous function deletes the values, qualities, and timestamps from the history database for the specified time domain for one or more items. This function is intended to be used to delete data that has been accidentally entered into the history database; e.g., deletion of data from a source with incorrect timestamps. |
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2008/2012/2016, .NET 4.x