The properties of the TdOPCItemData class are listed here.
|
AccessPath contains the complete path of the item (e.g. | |
|
AccessRights contains the access rights of the item. | |
|
This is BaseDatatype, a member of class TdOPCItemData. | |
|
CanonicalDatatype contains the native data type of the item. | |
|
This is ChangeCount, a member of class TdOPCItemData. | |
|
Data is not used by TdOPCItemData. | |
|
| |
|
EUInfo contains the Engineering Units information of the item. | |
|
EUType contains the type of Engineering Units (EU) information of the item (if any) contained in the property EUInfo. | |
|
IsActive contains the state of the data acquisition for this item. | |
|
ItemID contains the unique identifier for the item. | |
|
This is ItemName, a member of class TdOPCItemData. | |
|
LastError contains the code for the last occurred OPC error. | |
|
Quality contains the latest quality read from the server. | |
|
RequestType contains the data type which the item's return value will have. | |
|
| |
|
ServerHandle contains the assigned server handle for the item. | |
|
Tag has no predefined meaning. | |
|
TimeStamp contains the latest timestamp read from the server. | |
|
Value contains the latest value read from the server. | |
|
WantQuality contains the quality that should be written in the WriteAsync and WriteSync methods. | |
|
WantTimeStamp contains the timestamp that should be written in the WriteAsync and WriteSync methods. | |
|
WantValue contains the value that should be written in the WriteAsync and WriteSync methods. |
Kassl GmbH Copyright © 2024. All rights reserved.
|