Read the value, quality and timestamp information for one or more items in a
group. The function runs to completion before returning.( IOPCSyncIO::Read )
Overload List
| Overload | Description |
|---|
| Read(OPCDATASOURCE,Int32[],OPCItemState[]) |
Read the value, quality and timestamp information for one or more items in a
group. The function runs to completion before returning.( IOPCSyncIO::Read )
|
| Read(Int32[],Int32,Int32,Int32[]) |
Read one or more items in a group. The results are returned via the client's
IOPCcallback connection established through the server's IConnectionPointContainer.
Reads are from 'DEVICE' and are not affected by the ACTIVE state of the group
or item. ( IOPCAsyncIO2::Read )
|
Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2016, .NET 4.x
See Also
