This mthod is called for nodes that have no in-memory NodeState object.
There is no value processing in the base classes. The values are passed to the client as returned by this method.
Syntax
| Visual Basic (Declaration) | |
|---|---|
Protected Overrides Sub ReadVirtualNodes( _ ByVal context As ServerSystemContext, _ ByVal nodesToRead As IList(Of ReadValueId), _ ByVal values As IList(Of DataValue), _ ByVal errors As IList(Of ServiceResult), _ ByVal virtualNodesToRead As List(Of NodeHandle), _ ByVal cache As IDictionary(Of NodeId,NodeState) _ ) | |
| C# | |
|---|---|
protected override void ReadVirtualNodes( ServerSystemContext context, IList<ReadValueId> nodesToRead, IList<DataValue> values, IList<ServiceResult> errors, List<NodeHandle> virtualNodesToRead, IDictionary<NodeId,NodeState> cache ) | |
Parameters
- context
- The system context for the call.
- nodesToRead
- The nodes to read.
- values
- The read values.
- errors
- The status of the request handling.
- virtualNodesToRead
- The requested nodes that have no in-memory NodeState object.
- cache
- The cache for this client request.
Requirements
Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family