The following tables list the members exposed by ReadRequestItemList.
Public Constructors
| Name | Description | |
|---|---|---|
 | ReadRequestItemList Constructor |
Public Properties
| Name | Description | |
|---|---|---|
 | ItemPath | This is a hierarchical parameter. A value specified for an item will override the value on list level. |
| Items | A container tag of the item information that follows. It is expected that there are one or more Items per ItemList. |
| MaxAge | Indicates the requested freshness of the data in number of milliseconds. The data should be no older than this value. If omitted or if the value is 0 at all levels of the hierarchy then the server should return the most accurate data available (which is analogous to a ??DEVICE? read in the COM server ?? reference the corresponding section of the OPC DA Specification to get further clarification on this concept.). |
| MaxAgeSpecified | If FALSE then the MaxAge value is not defined or ignored. |
| ReqType | This is a hierarchical parameter. A value specified for an item will override the value on list level. |